
          CATALOG OF PARAMETERS FOR MILKY WAY GLOBULAR CLUSTERS

            Compiled by William E. Harris, McMaster University

                 This revision:  May 15, 1997


	This catalog is described in the literature by:
Harris, W.E. 1996, AJ, 112, 1487.  Please refer to that paper in
any published use you make of this catalog.

	Source lists, calibration parameters, and conversion
relations for the cluster data are described below.

The author would welcome being informed about any errors or
omissions that you find in this catalog.  Please communicate
by e-mail to   harris@physics.mcmaster.ca
 
The cluster data are contained in the file `mwgc.dat' which is also
in this anonymous ftp directory.
Both files are also accessible through WorldWideWeb.
The URL label is:  http://www.physics.mcmaster.ca/Globular.html


______________________________________________________________________

REVISIONS AND HIGHLIGHTS FOR MAY 1997 EDITION:

- IC 1257, previously listed as an open cluster, has been shown 
  to be a globular cluster (Harris et al. 1997, AJ, 113, 688)

- A major new set of radial velocities (Rutledge et al. 1997,
  PASP in press) has been added to the database.

- Galactic coordinates (l,b) are now given to 2 decimal places.

- A new DISTANCE SCALE has been adopted, to correspond to the brighter
  horizontal-branch luminosity now favored by subdwarf parallaxes
  (both Hipparcos and ground-based data), the matching of the RR Lyrae
  luminosities to the Cepheid distance scale in Local Group galaxies,
  and theoretical models for HB star luminosities.  See the "Distances"
  section below for explanation.

- Many new entries have been made for cluster distances,
  thanks to continuing activity in color-magnitude studies
  for the less well known clusters.  Of the 147 cataloged clusters,
  there are now only two remaining (NGC 6380 and Terzan 12) which have
  no useful distance estimates at all.

______________________________________________________________________

REVISIONS FOR APRIL 1996 EDITION:

- The Pyxis system is added, as a newly discovered globular cluster by 
  Irwin, Demers, & Kunkel 1995 (ApJ 453, L21)

- BH 176 is reinstated as a probable globular cluster (Ortolani, 
  Bica, and Barbuy 1995, A&A 300, 726).

- Lynga 7, sometimes thought to be an old open cluster, is now
  more likely a globular (Tavarez and Friel 1995, AJ 110, 223)

- ESO 452-SC11 is reinstated as a probable globular cluster
  on the basis of evidence by Minniti, Olszewski, and Rieke 1995
  (AJ 110, 1686)

- Terzan 10 is reinstated as a globular cluster on the basis of
  infrared photometry by Liu et al. 1995 (see the reference given
  below in the section on distances)


Deletions:

- AM-2 is excluded, since it is clearly an old open cluster 
(Ortolani, Bica, and Barbuy 1995, A&A 300, 726).

- Reticulum is excluded as more likely belonging to the LMC
(e.g. Walker 1992, AJ 103, 1166).

- A candidate globular cluster announced by Bica (1994, AA 285, 868) 
was added to earlier versions of this catalog as 'Bica 1', but new data
(Bica et al. 1995, A&A 303, 747) show that it is not a cluster.

	Certain other objects in the catalog of Webbink (1985)
proposed as globular cluster candidates have been shown not to 
be clusters or are improbable globulars, including TJ5, TJ15, TJ16, TJ17, 
TJ23, TBJ3, Kodaira 1, Grindlay 1, ESO 166-SC11 (UKS2), and ESO 093-SC08.  
See the discussions of Djorgovski and Meylan (1993), Minniti, 
Olszewski, and Rieke 1995 (AJ 110, 1686), Bica et al. 1995 (A&A 303, 747),
and Kodaira, Greene, and Tokunaga 1995 (PASJ 47, 29).


______________________________________________________________________

NOTES FROM PRE-1996 EDITIONS:  

- Terzan 12 is restored to its original designation; it has 
mistakenly been labelled as Terzan 11 in several previous catalogs
(including Kukarkin 1974, Harris and Racine 1979, Webbink 1985,
and Djorgovski and Meylan 1993).  To add to the potential
confusion, the object number 11 in Terzan's lists is actually
a rediscovery of Terzan 5; furthermore, the `Terzan 12' designation has
sometimes been applied, quite wrongly, to NGC 6256, which is a 
completely different object.  To avoid all such identification
problems, it seems preferable to keep the original notation 
for these objects.

- Djorgovski 3 has now been cross-identified as NGC 6540
(Bica, Ortolani, and Barbuy 1994, AA 283, 67).

- A serious error in the coordinates of Palomar 14 has been corrected, 
using data from the HST Guide Star Catalog. They are now accurate to +-5".

_______________________________________________________________________
_______________________________________________________________________



               CLUSTER IDENTIFICATIONS AND COORDINATES


	  Sources:

Djorgovski S., and Meylan G. 1993, in Structure and Dynamics
        of Globular Clusters, ASP Conf.Series 50, ed.G.Meylan
        and S.Djorgovski (San Francisco: A.S.P.), 325

Webbink R.F. 1985, in Dynamics of Star Clusters, IAU Symposium
        113, ed. J.Goodman and P.Hut (Dordrecht:  Reidel), 541


	The objects in this catalog adopted as Milky Way globular
clusters essentially follow Djorgovski and Meylan, with the 
exceptions noted above.  The cluster coordinates are taken from Djorgovski 
and Meylan unless otherwise noted.

	See the comments above for individual deletions and additions
in various editions of the catalog.


	The present catalog contains
147 objects adopted as certain or highly probable Milky Way
globular clusters.  It should be emphasized that some objects -- 
the ones with virtually no data entries in the catalog -- 
still have somewhat uncertain identities, and that the adoption
of a final candidate list continues to be a matter of some 
arbitrary judgment for certain objects.  The sources given above
should be consulted for excellent discussions of these individually
troublesome objects, as well as lists of other less likely candidates.



                 FOREGROUND REDDENING E(B-V)


	Sources:

Reed B.C., Hesser J.E., and Shawl S.J. 1988, PASP 100, 545
        [85 clusters]

Webbink R.F. 1985, in Dynamics of Star Clusters, IAU Symposium
        113, ed. J.Goodman and P.Hut (Dordrecht:  Reidel), 541
        [135 clusters]

Zinn, R. 1985, ApJ 293, 424  [112 clusters]


	In addition to the three major sources listed above,
measurements of E(B-V) from the individual color-magnitude studies
(listed below) were employed whenever they appeared to be
well calibrated [114 clusters].  These discussions, which employ 
a wide variety of semi-independent methods, now agree extremely 
well for all but a few cases.  The final adopted reddenings are 
the straight averages of the given sources (up to 4 per cluster).

	The typical uncertainty in the reddening for any cluster
is on the order of 10 percent, i.e. delta[E(B-V)] = 0.1 E(B-V).



              DISTANCES:  HORIZONTAL-BRANCH MAGNITUDE V_HB


	The primary distance indicator used here is the mean
V magnitude of the horizontal branch (or RR Lyrae stars), V_HB.
Wherever possible, the HB level is measured directly from a
color-magnitude diagram; in a few cases where
CMDs are not yet available, it can be evaluated from single-color
photometry of the RR Lyrae variables, or more roughly 
predicted from the magnitude level of the brightest red giants.
Whenever one of these latter two methods 
was used, it is noted in the list below.

	For many clusters, there are several CMD studies to be found
in the literature, and in some cases the CMD study used here 
may not be the "best" one for the given cluster according to 
some other criterion.  For example, it may not provide the 
best or most precise study of the main sequence, cluster age, 
metallicity, or some other feature.  The sources listed below
are simply those which, in the author's judgment, give the best 
available definition of the horizontal-branch level.

	The absolute calibration of V_HB adopted here uses
a modest dependence of absolute V magnitude on metallicity,

                M_V(HB) = 0.15 [Fe/H] + 0.85

Please note that M_V(HB) here denotes the mean magnitude
of the HB stars, without further adjustments to any
predicted ZAHB level:  for blue-HB clusters, it denotes
the mean magnitude of the HB stars at the blue edge of
the RR Lyrae gap.  For red-HB clusters, it denotes the
mean magnitude of the RHB stars directly.

	The zero point adopted here pegs the horizontal 
branch at M_V(HB) ~ 0.5 for the most metal-poor
clusters and M_V(HB) ~ 0.8 for the most metal-rich.
The slope of 0.15 matches the body of recent evidence both from 
statistical parallax and Baade-Wesselink measurements of field 
RR Lyrae stars (e.g. Carney, Storm, and Jones 1992, ApJ, 386, 663; 
Skillen et al. 1993, MNRAS, 265, 301; Layden et al. 1996, AJ, 112,2110)
and from theoretical stellar models of HB stars (e.g. Lee, Demarque,
and Zinn 1990, ApJ, 350, 155; Dorman 1992, ApJSuppl, 81, 221;
Salaris, Degl'Innocenti, and Weiss 1997, ApJ, 479, 665).
The zero point adopted here matches the horizontal-branch
models referred to above, as well as calibrations of the 
RR Lyrae luminosity level by Cepheids in the various Local Group
galaxies (e.g. Walker 1992, ApJ, 390, L81; van den Bergh 1995,
ApJ, 446, 39; Fusi Pecci et al. 1996, AJ, 112, 1461).  It is
~0.2 mag brighter than the statistical-parallax and Baade-Wesselink
measurements referred to above would give, but it is also (perhaps)
the same amount fainter than recent Hipparcos calibrations of
M_V(HB) through field subdwarfs and other halo stars (e.g. Reid 1997,
Feast and Catchpole 1997, Pont et al. 1997; the Hipparcos-based
analyses are just starting to reach the literature at time of writing,
and these various discussions are not yet in full agreement).
The currently adopted zero point is a compromise among these 
many different calibrations, and further revision may yet be required.

	The absolute uncertainty of the predicted M_V(HB) is,
thus, +-0.1 mag at best, and may still be as large as
+-0.2 mag in extreme cases.  For a few clusters (mostly ones
in the Galactic bulge region with very heavy reddening), no good
[Fe/H] estimate is currently available; for these cases,
a value [Fe/H] = -1 is simply assumed, with the hope that the
resulting M_V(HB) estimate will not be too far wrong.

Source List:

NGC 104   Hesser J.E., Harris W.E., VandenBerg D.A., Allwright
          J.W.B., Shott P., and Stetson P.B. 1987, PASP, 99, 739

NGC 288   Bergbusch P.A. 1993, AJ 106, 1024; also
          Kaluzny, J. 1996, AApSuppl, 120, 83

NGC 362   Harris W.E. 1982, ApJSuppl 50, 573

NGC 1261  Ferraro F.R., Clementini G., Fusi Pecci F., Vitiello E.,
          and Buonanno R. 1993, MNRAS 264, 273

Pal 1     Borissova, J., and Spassova, N. 1995, AApSuppl 110, 1

AM 1      Madore B.F., and Freedman W.L., 1989, ApJ 340, 812

Eridanus  Ortolani S., and Gratton R., 1989, AApSuppl 79, 155

Pal 2     Harris, W.E., Durrell, P.R., Petitpas, G.R., Webb, T.M.,
          and Woodworth, S.C. 1997, AJ, submitted

NGC 1851  Walker A.R., 1992, PASP 104, 1063

NGC 1904  Ferraro F.R., Clementini G., Fusi Pecci F., Sortino R.,
          and Buonanno R., 1992, MNRAS 256, 391

NGC 2298  Janes K.A., and Heasley J.N., 1988, AJ 95, 762

NGC 2419  Christian C.A., and Heasley J.N., 1988, AJ 95, 1422; also
          Harris, W.E., Bell, R.A., VandenBerg, D.A., Bolte, M.,
            Stetson, P.B., Hesser, J.E., van den Bergh, S., Bond, H.E.,
            Fahlman, G.G., and Richer, H.B. 1997, AJ, submitted

Pyxis     Irwin, M.J., Demers, S., and Kunkel, W.E. 1995, ApJ 453, L21;
          Da Costa, G.S. 1995, PASP 107, 937;
          Sarajedini, A., and Geisler, D. 1996, AJ, 112, 2013

NGC 2808  Ferraro F.R., Clementini G., Fusi Pecci F., Buonanno R.
          and Alcaino G., 1990, AApSuppl 84, 59

E 3       McClure R.D., Hesser J.E., Stetson P.B., and Stryker L.L.,
          1985, PASP 97, 665

Pal 3     Ortolani S., and Gratton R., 1989, AApSuppl 79, 155

NGC 3201  Brewer J.P., Fahlman G.G., Richer H.B., Searle L., and
          Thompson I., 1993, AJ 105, 2158

Pal 4     Christian C.A., and Heasley J.N., 1986, ApJ 303, 216

NGC 4147  Friel E.D., Heasley J.N., and Christian C.A., 1987, PASP
          99, 1248

NGC 4372  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

Rup 106   Sarajedini, A., and Layden, A. 1997, AJ, 113, 264        

NGC 4590  McClure R.D., VandenBerg D.A., Bell R.A., Hesser, J.E.,
          and Stetson, P.B., 1987, AJ 93, 1144

NGC 4833  Menzies J., 1972, MNRAS 156, 207

NGC 5024  Heasley J.N., and Christian C.A., 1991, AJ 101, 967

NGC 5053  Sarajedini, A., and Milone, A.A.E. 1995, AJ 109, 269

NGC 5139  Butler D., Dickens R.J., and Epps E., 1978, ApJ 225, 148
          (RR Lyraes)

NGC 5272  Sandage A., and Katem B., 1982, AJ 87, 537

NGC 5286  Brocato, E., Buonanno, R., Malakhova, Y., and
          Piersimoni, A.M. 1996, AAp, 311, 778

AM 4      Inman R.T., and Carney B.W., 1987, AJ 93, 1166

NGC 5466  Mateo M., Harris H.C., Nemec J. and Olszewski E.W., 1990,
          AJ 100, 469

NGC 5634  Racine R., 1976, unpublished CMD

NGC 5694  Ortolani S., and Gratton R., 1990, AApSuppl 82, 71

IC 4499   Walker, A.R., and Nemec, J.M 1996, AJ, 112, 2026         

NGC 5824  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

Pal 5     Smith G.H., McClure R.D., Stetson P.B., Hesser J.E., 
          and Bell R.A., 1986, AJ 91, 842

NGC 5897  Ferraro F.R., Fusi Pecci F., and Buonanno R., 1992, MNRAS
          256, 376

NGC 5904  Brocato, E., Castellani, V., and Ripepi, V. 1996, AJ, 111, 809
          Sandquist, E.L., Bolte, M., Stetson, P.B., and Hesser, J.E. 1996,
             ApJ, 470, 910

NGC 5927  Sarajedini A., and Norris J.E., 1994, ApJSuppl 93, 161;
          also Friel E.D., and Geisler D., 1991, AJ 101, 1338

NGC 5946  Alcaino G., Liller W., Alvarado F., and Wenderoth E.,
          1991, AJ 102, 1371

BH 176    Ortolani, S., Bica, E., and Barbuy, B. 1995, AAp 300, 726

NGC 5986  Bond H., Harris W.E., Harris G.L.H., Mittermeier R.,
          and Palmer K., 1994, unpublished

Lynga 7   Ortolani, S., Bica, E., and Barbuy, B. 1993, AAp 273, 415
          see also Tavarez, M., and Friel, E.D. 1995, AJ 110, 223

Pal 14    Holland S., and Harris W.E., 1992, AJ 103, 131

NGC 6093  Harris W.E., and Racine R., 1974, AJ 79, 472

NGC 6101  Sarajedini A., and DaCosta G.S., 1991, AJ 102, 628

NGC 6121  Cudworth K.M., and Rees R., 1990, AJ 99, 1491

NGC 6144  Alcaino G., 1980, AApSuppl 39, 315

NGC 6139  Samus, N.N., Kravtsov, V.V., Pavlov, M.V., Alcaino, G.,
          Liller, W., and Alvarado, F. 1996, Astron.Letters, 22, 686

Terzan 3  Webbink R.F., 1985, in Dynamics of Star Clusters, IAU
          Symposium 113, ed. J.Goodman and P.Hut 
          (Dordrecht: Reidel), 541  (Brightest Giants)

NGC 6171  Cudworth K.M., Smetanka J.J., and Majewski S.R., 1992,
          AJ 103, 1252

ESO452-SC11   Peterson, C.J. 1986, PASP 98, 1258 (from unpublished
          data of Webbink and Hunter)

NGC 6205  Sandage A., 1970, ApJ 162, 841

NGC 6218  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

NGC 6229  Carney B.W., Fullton L.K., and Trammell S.R., 1991, 
          AJ 101, 1699

NGC 6235  Liller M.H., 1980, AJ 85, 673

NGC 6254  Hurley D.J.C., Richer H.B., and Fahlman G.G., 1989, AJ 98,
          2124

NGC 6256  Alcaino G., 1983, AApSuppl 53, 47

Pal 15    Harris W.E., 1991, AJ 102, 1348

NGC 6266  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

NGC 6273  Harris W.E., Racine R., and de Roux J., 1976, ApJSuppl
          31, 13

NGC 6284  Harris H.C., and Harris W.E., 1994, in preparation

NGC 6287  Stetson P.B., and West, M.J. 1995, PASP 106, 726 

NGC 6293  Janes K.A., and Heasley J.N., 1991, AJ 101, 2097

NGC 6304  Davidge T.J., Harris W.E., Bridges T.J., and Hanes D.A.,
          1992, ApJSuppl 81, 251

NGC 6316  Davidge T.J., Harris W.E., Bridges T.J., and Hanes D.A.,
          1992, ApJSuppl 81, 251

NGC 6325  Mittermeier R., Harris G.L.H., Bond H., Harris W.E.,
          and Palmer K., 1994, unpublished   

NGC 6341  Carney B.W., Storm J., Trammell S.R., and Jones R.V.,
          1992, PASP 104, 44

NGC 6333  Janes K.A., and Heasley J.N., 1991, AJ 101, 2097

NGC 6342  Armandroff T.E., 1988, AJ 96, 588

NGC 6356  Bica, E., Ortolani, S., and Barbuy, B. 1994, AApSuppl 106, 161

NGC 6355  Harris W.E., 1980, in Star Clusters, IAU Symposium 85
          ed. J.E.Hesser (Dordrecht: Reidel), 81  (Brightest Giants)

NGC 6352  Fullton, L.K., Carney, B.W., Olszewski, E.W., Zinn, R.,
          Demarque, P., Janes, K.A., Da Costa, G.S., and Seitzer, P.
          1995, AJ 110, 652

IC 1257   Harris, W.E., Phelps, R.L., Madore, B.F., Pevunova, O., Skiff, B.A.,
          Crute, C., Wilson, B., and Archinal, B. 1997, AJ, 113, 688

Terzan 2  Kuchinski, L.E., Frogel, J.A., Terndrup, D.M., and Persson, S.E.
          1995, AJ 109, 1131

NGC 6366  Harris H.C., 1993, AJ 106, 604

Terzan 4  Ortolani, S., Barbuy, B., and Bica, E. 1997, AAp, 319, 850

NGC 6362  Alcaino G., and Liller W., 1986, AJ 91, 303

HP 1      Ortolani, S., Bica, E., and Barbuy, B. 1997, MNRAS, 284, 692 

Liller 1  Frogel, J.A., Kuchinski, L.E., and Tiede, G.P. 1995, AJ 109, 1154
          (see Ortolani, S., Bica, E., and Barbuy, B. 1996, AAp 306, 134
           for improved reddening estimate)

Terzan 1  Ortolani S., Bica E., and Barbuy B., 1993, AAp 267, 66

NGC 6388  Silbermann, N.A., Smith, H.A., Bolte, M., and Hazen, M.L.
          1994, AJ 107, 1764

Ton 2     Bica, E., Ortolani, S., and Barbuy, B. 1996, AApSuppl, 120, 153

NGC 6402  Shara M.M., Moffat A.F.J., Potter M., Hogg H.S., and
          Wehlau A., 1986, ApJ 311, 796

NGC 6401  Mittermeier R., Harris G.L.H., Bond H., Harris W.E.,
          and Palmer K., 1994, unpublished   

NGC 6397  Alcaino G., Buonanno R., Caloi V., Castellani V., 
          Corsi C.E., Iannicolo G., and Liller W., 1987, AJ 94, 917

Pal 6     Ortolani, S., Bica, E., and Barbuy, B. 1995, AAp 296, 680

NGC 6426  Zinn, R., and Barnes, S. 1996, AJ, 112, 1054           

Djorg 1   Ortolani, S., Bica, E., and Barbuy, B. 1995, AAp 296, 680

Terzan 5  Ortolani, S., Barbuy, B., and Bica, E. 1996, AAp, 308, 733

NGC 6440  Ortolani, S., Barbuy, B., and Bica, E. 1994, AApSuppl 108, 653

NGC 6441  Hesser J.E., and Hartwick F.D.A., 1976, ApJ 203, 97 

NGC 6453  Harris W.E., 1980, in Star Clusters, IAU Symposium 85,
          ed. J.E.Hesser (Dordrecht: Reidel), 81  (Brightest Giants)

Terzan 6  Fahlman, G.G., Douglas, K.A., and Thompson, I.B. 1995,
          AJ 110, 2189

UKS 1     Liu, T., McLean, I., and Becklin, E. 1994, in Infrared
          Astronomy with Arrays, ed. I.McLean (Kluwer), 101

NGC 6496  Sarajedini A., and Norris J.E., 1994, ApJSuppl 93, 161   
          also Friel E.D., and Geisler D., 1992, AJ 101, 1338

Terzan 9  Liu, T., McLean, I., and Becklin, E. 1994, in Infrared
          Astronomy with Arrays, ed. I.McLean (Kluwer), 101

Djorg 2   Mallen-Ornelas G., and Djorgovski S., 1993, ASP Conf. Series
          50, Structure and Dynamics of Globular Clusters,
          ed. G.Meylan and S.Djorgovski (San Francisco: ASP), 313
          (Brightest Giants)

NGC 6517  Kavelaars J.J., Hanes D.A., Bridges T.J., and Harris W.E.
          1995, AJ, 109, 2081

Terzan 10 Liu, T., McLean, I., and Becklin, E. 1994, in Infrared
          Astronomy with Arrays, ed. I.McLean (Kluwer), 101

NGC 6522  Terndrup, D., and Walker A., 1994, AJ, 107, 1786 

NGC 6535  Sarajedini A., 1994, PASP, 106, 404

NGC 6528  Ortolani S., Bica E., and Barbuy B., 1992, AApSuppl 92, 441

NGC 6539  Armandroff T.E., 1988, AJ 96, 588

NGC 6540  Bica E., Ortolani S., and Barbuy B. 1994, AA 283, 67

NGC 6544  Alcaino G., 1983, AApSuppl 52, 105

NGC 6541  Alcaino G., 1979, AApSuppl 35, 233

NGC 6553  Ortolani S., Barbuy B., and Bica E., 1990, AAp 236, 362

NGC 6558  Hazen, M.L. 1996, AJ, 111, 1184 [RR Lyraes]            

IC 1276   Kinman T.D., and Rosino L., 1962, PASP 74, 499
          (RR Lyraes)

NGC 6569  Hazen-Liller M.L., 1985, AJ 90, 1807  (RR Lyraes)

NGC 6584  Sarajedini A., and Forrester, W.L. 1995, AJ 109, 1112

NGC 6624  Sarajedini A., and Norris J.E., 1994, ApJSuppl 93, 161  

NGC 6626  Rees R.F., and Cudworth K.M., 1991, AJ 102, 152

NGC 6638  Alcaino G., and Liller W., 1983, AJ 88, 1166 ; also
          Smith H.A., and Stryker L.L., 1986, PASP 98, 453 

NGC 6637  Ferraro, F.R., Fusi Pecci, F., Guarnieri, M.D., Moneti, A.,
          Origlia, L., and Testa, V. 1994, MNRAS 266, 829

NGC 6642  Hazen M.L., 1993, AJ 105, 557  (RR Lyraes)

NGC 6652  Ortolani S., Bica E., and Barbuy B. 1994, AA 286, 444

NGC 6656  Cudworth K.M., 1986, AJ 92, 348

Pal 8     Armandroff T.E., 1988, AJ 96, 588

NGC 6681  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

NGC 6712  Cudworth K.M., 1988, AJ 96, 105

NGC 6715  Sarajedini, A., and Layden, A.C. 1995, AJ 109, 1086

NGC 6717  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

NGC 6723  Fullton L.K., 1996, in preparation

NGC 6749  Kaisler, D., Harris, W.E., and McLaughlin, D.E. 1997,
          PASP, in press

NGC 6752  Buonanno R., Caloi V., Castellani V., Corsi C., 
          Fusi Pecci F., and Gratton R., 1986, AApSuppl 66, 79

NGC 6760  Armandroff T.E., 1988, AJ 96, 588

Terzan 7  Buonanno, R., Corsi, C.E., Pulone, L., Fusi Pecci, F.,
          Richer, H.B., and Fahlman, G.G. 1995, AJ 109, 663

NGC 6779  Wehlau A., and Sawyer Hogg H., 1985, AJ 90, 2514

Pal 10    Kaisler, D., Harris, W.E., and McLaughlin, D.E. 1997,
          PASP, in press

Arp 2     Sarajedini, A., and Layden, A. 1997, AJ, 113, 264       

NGC 6809  Lee S-W., 1977, AApSuppl 29, 1

Terzan 8  Ortolani S. ,and Gratton R., 1990, AApSuppl 82, 71

Pal 11    Cersosimo S., Lydon T.J., Sarajedini A., and Zinn R., 1993,
          Bull.AAS 25, 884

NGC 6838  Hodder P.C., Nemec J.M., Richer H.B., and Fahlman G.G.,
          1992, AJ 103, 460

NGC 6864  Harris W.E., 1975, ApJSuppl 29, 397

NGC 6934  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

NGC 6981  Brocato, E., Buonanno, R., Malakhova, Y., and Piersimoni, A.M.
          1996, AAp, 311, 778

NGC 7006  Buonanno R., Fusi Pecci F., Cappellaro E., Ortolani S.,
          Richtler T., and Geyer E.H., 1991, AJ 102, 1005

NGC 7078  Durrell P.R., and Harris W.E., 1993, AJ 105, 1420

NGC 7089  Harris W.E., 1975, ApJSuppl 29, 397

NGC 7099  Bolte M., 1987, ApJ 319, 760

Pal 12    Stetson P.B., VandenBerg D.A., Bolte M., Hesser J.E., and
          Smith G.H., 1989, AJ 97, 1360

Pal 13    Borissova, J., Markov, H., and Spassova, N. 1997, 
          AApSuppl, 121, 499

NGC 7492  Cote P., Richer H.B., and Fahlman G.G., 1991, AJ 102, 1358



                    INTEGRATED VISUAL MAGNITUDE V_t


	Sources:


Mallen-Ornelas G., and Djorgovski S. 1993, in Structure and
	Dynamics of Globular Clusters, ASP Conf.Series 50,
	ed. S.G.Djorgovski and G.Meylan (San Francisco: A.S.P.), 313
	[Djorg 1, 2, 3, Liller 1, HP 1]

Peterson C., and Reed, B.C. 1987, PASP 99, 20
	[73 clusters; not including NGC 362,4590,4833,5946,6218,
	6235,6522,6535,6717]

van den Bergh S., Morbey C., and Pazder J. 1991, ApJ 375, 594
	[97 clusters; not including NGC 6401]

Webbink R.F. 1985, in Dynamics of Star Clusters, IAU Symposium
        113, ed. J.Goodman and P.Hut (Dordrecht:  Reidel), 541
	[131 clusters; not including NGC 5694, 5824, Pal 1,
	Pal 3, Pal 15, E3, AM4]


	All data from the given sources are used, with the 
exception of the clusters specifically mentioned above (in these
latter instances the V_t values are significantly discrepant 
compared with the other studies.  The three major sources 
(Peterson and Reed, van den Bergh et al., Webbink) all use 
similar original databases (mostly concentric-aperture photometry 
of the clusters), but calculate total magnitudes independently 
by a variety of curve-of-growth methods.

	For several sparse or low-luminosity clusters (Pal 1,
AM-1, E3, Pal 3, AM-4, Pal 14, Pal 15, IC 1257, Ter 12, Pal 12), 
the cluster luminosity function (from the color-magnitude study
or other data in the literature) has been used by the present
author to estimate V_t.

	The adopted integrated magnitudes are the straight averages
of the data from all sources.  



                INTEGRATED COLORS (U-B, B-V, V-R, V-I)


	The integrated colors U-B and B-V are on the standard
Johnson system, and V-R, V-I on the Kron-Cousins system.
The adopted values are the straight average of the two sources;
see Peterson (1993) for a discussion of the (good) internal
agreement of the databases and additional references.

	In a few cases, the integrated colors are derived from
direct addition of stars in the color-magnitude diagrams (usually
for very sparse clusters with no direct color measurements).

	Sources:

Peterson C.J. 1993, in Structure and Dynamics of Globular Clusters, 
	ASP Conf.Series 50, ed. S.G.Djorgovski and G.Meylan 
	(San Francisco: A.S.P.), 337

Reed B.C. 1986, PASP 97, 120



                   INTEGRATED SPECTRAL TYPES


	Integrated spectral types are taken from:

Hesser, J.E., and Shawl, S.J. 1985, PASP 97, 465



            SPECIFIC FREQUENCY OF RR LYRAE STARS, S_RR


	S_RR is the number of RR Lyrae stars in the cluster,
normalized to a total cluster luminosity M_Vt = -7.5; i.e.

              S_RR = N_RR * 10**(0.4 (7.5 + M_Vt))

The data source for N_RR is the comprehensive discussion of
Suntzeff, Kinman, and Kraft 1991, ApJ, 367, 528.  The resulting
values for S_RR in the present catalog differ noticeably from theirs
in some cases because of revisions in the cluster distance and 
(thus) luminosity.

	A few updates for N_RR have been taken from the more recent
literature.



                 HORIZONTAL BRANCH MORPHOLOGY



	The HBR parameter defined by Lee (1990, ApJ 363, 159)
is equal to (B-R)/(B+V+R), where in this case B denotes the 
number of horizontal-branch stars on the blue side of the 
RR Lyrae region; V the number of stars in the RR Lyrae region; 
and R the number of stars on the red side
of the RR Lyrae region.  The adopted HBR value is the direct
average of the sources listed.

	Sources:

Lee Y.-W., Demarque P., and Zinn R. 1994, ApJ, 423, 248
 
Fusi Pecci F., Ferraro F.R., Bellazzini M., Djorgovski S,
Piotto G., and Buonanno R. 1993, AJ, 105, 1145
 
Preston G.W., Schectman S.A., and Beers T.C. 1991, ApJ, 375, 121



	The morphological type of the horizontal branch as
originally defined by Dickens (1972, MNRAS 157, 281) is on an integer
scale from 1 to 7, where 1 denotes a cluster with a completely
blue HB (all stars on the blue side of the RR Lyrae region)
and 7 denotes a completely red HB.  From the individual 
color-magnitude studies listed above, the HB type has been
evaluated anew by the present author for the purpose of this catalog.  
In addition, a new type "0" has also been introduced, 
to denote any cluster with an extremely
blue extension of the HB.  In a few cases, where the distribution
of stars along the HB is bimodal, the cluster is
assigned two simultaneous HB types.  

	In general, the distribution of stars along the HB cannot
be described adequately by any one parameter or ratio.  Many recent
investigations have shown that the relative proportions of stars
in different parts of the HB depend on radius within the cluster;
the blue HB can show very distinct gaps or clumps; many clusters
at a wide range of metallicities have highly extended blue BHB tails; 
several clusters have now been found to have clearly bimodal HB distributions 
with large populations of both blue and red stars but few or none in the 
intermediate (RR Lyrae) region.  For thorough discussion, see the papers
of Fusi Pecci et al. 1993 (AJ 105, 1145) or Borissova et al. 1997 (AJ 113, 692).
The former paper in particular defines several additional HB parameters
which are not listed in this catalog.




                     METALLICITIES:  [Fe/H] VALUES


	The heavy-element abundance scale adopted here is
basically the one established by Zinn and West (1984, ApJSuppl, 55, 45).   
READERS PLEASE NOTE:
This scale has recently been called into serious question
as possibly being nonlinear when calibrated against the best modern
measurements of [Fe/H] from high-dispersion spectra  
(see Carretta and Gratton 1997, AApSuppl 121, 95 and
Rutledge, Hesser, and Stetson 1997, PASP 109, in press). 
In particular, these authors suggest that the Zinn-West scale 
overestimates the metallicities of the most metal-rich clusters.
However, the present catalog maintains the older (Zinn-West) scale until a
new consensus is reached in the primary literature.

	In addition to the two major compilations of
cluster metallicities listed below on the Zinn-West scale,
data of two types are used:  (1) [Fe/H] values from spectroscopy
of individual cluster stars, from various more recent papers (listed
below); and (2) metallicity estimates from the color-magnitude
diagrams, in cases where the CMD is precise and well calibrated
(references given in the V_HB section above).  The final adopted 
[Fe/H] for each cluster is the straight average of the available
measurements.


          Major Sources:


Armandroff, T.E., and Zinn, R. 1988, AJ 96, 92  [27 clusters]

Zinn, R. 1985, ApJ 293, 424  [111 clusters]


          Additional Sources:


Armandroff, T.E., and Da Costa, G.S. 1991, AJ 101, 1329  
          [Eridanus, Pal 12]

Armandroff, T.E., Da Costa, G.S., and Zinn, R. 1992, AJ 104, 164
          [Pal 3,4,11,14]

Barbuy, B., Castro, S., Ortolani, S., and Bica, E. 1992,
          AAp 259, 607  [NGC 6553]

Beers, T.C., Preston, G.W., Shectman, S.A., and Kage, J.A. 1990,
          AJ, 100, 849 [NGC 3201,6121,6341,6397,6752]

Brown, J.A., and Wallerstein, G. 1992, AJ 104, 1818  
          [NGC 104, 6121, 6656]

Caldwell, S.P., and Dickens, R.J. 1988, MNRAS 234, 87
          [NGC 288,362,6397,6809]

Cannon, R. 1996, quoted in Walker, A.R., and Nemec, J.M 1996,
          AJ, 112, 2026 [IC 4499]

Clementini, G., Merighi, R., Gratton, R., and Carretta, E. 1994, 
          MNRAS 267, 43  [NGC 6121]

Costar, D., and Smith, H.A. 1988, AJ 96, 1925  [NGC 104,6838]

Da Costa, G.S., and Armandroff, T.E. 1995, AJ 109, 2533
          [NGC 6218, 6366, 6626, 6715, Pal 11, 12, 15, Ter 7, Ter 8,
           Arp 2]

Da Costa, G.S., Armandroff, T.E., and Norris, J.E. 1992, AJ 104, 154
          [Rup 106]

Da Costa, G.S., and Seitzer, P. 1989, AJ 97, 405  [NGC 6366]

D'Odorico, S., Gratton, R., and Ponz, D. 1985, AAp 142, 232
          [NGC 104]

Drake, J.J., Smith, V.V., and Suntzeff, N.B. 1994, ApJ, 430, 610 [NGC 6121]

Francois, P. 1991, AAp 247, 56  [NGC 1904,5927,6352]

Geisler, D., Piatti, A.E., Claria, J.J., and Minniti, D. 1995,
          AJ 109, 605  [NGC 2298, 4372, 4833, 5053, 5694, 5897,
          6101, 6144]

Gratton, R.G. 1987, AAp 179, 181  [NGC 288,362,5897,6352,6362]

Gratton, R.G., and Ortolani, S. 1986, AAp 169, 201
          [NGC 104,5904,6121,6752,6838]

Gratton, R.G., and Ortolani, S. 1989, AAp 211, 41
          [NGC 1904,3201,4590,4833,6254,6397,6656]

Kraft, R.P., Sneden, C., Langer, G.E., and Prosser, C.F. 1992, 
          AJ 104, 645  [NGC 5272,6205]

Kraft, R.P., Sneden, C., Langer, G.E., and Shetrone, M.D. 1993, 
          AJ 106, 1490  [NGC 6205]

Kraft, R.P., Sneden, C., Langer, G.E., Shetrone, M.D., and Bolte, M.
          1995, AJ 109, 2586  [NGC 6254]

Kraft, R.P., Sneden, C., Smith, G.H., Shetrone, M.D., Langer, G.E.,
          and Pilachowski, C.A. 1997, AJ, 113, 279 [NGC 6205]

Lehnert, M.D., Bell, R.A., and Cohen, J.G. 1991, ApJ 367, 514
          [NGC 6205,6656]

Leep, E.M., Oke, J.B., and Wallerstein, G. 1987, AJ 93, 338  [NGC 6838]

McWilliam, A., Geisler, D., and Rich, R.M. 1992, PASP 104, 1193  
          [NGC 2298]

Minniti, D. 1995, A&A 303, 468  [NGC 6121, 6325, 6356, 6401, 6440, 
          6517, 6642, 6656, Pal 6]

Minniti, D. 1995, A&ASuppl 113, 299  [NGC 6637, 6626]

Minniti, D., Geisler, D., Peterson, R.C., and Claria, J.J. 1993,
          ApJ 413, 548  [NGC 4590,4833,6144,6397,6752,6809,7078,7099]

Ortolani, S., and Gratton, R.G. 1989, AApSuppl 79, 155  [Pal 3, Eridanus]

Paltoglou, G., and Norris, J.E. 1989, ApJ 336, 185  [NGC 5139]

Peterson, R.C., Kurucz, R.L., and Carney, B.W. 1990, ApJ 350, 173
          [NGC 6341]

Pilachowski, C.A., and Armandroff, T.E. 1996, AJ, 111, 1175 [NGC 6205]

Shetrone, M.D. 1996, AJ, 112, 1517 [NGC 5904,6205,6341,6838]

Smith, H.A., and Stryker, L.L. 1986, PASP 98, 453  [NGC 6638]

Sneden, C., Kraft, R.P., Prosser, C.F., and Langer, G.E. 1991,
          AJ 102, 2001  [NGC 6341, 7078]

Sneden, C., Kraft, R.P., Langer, G.E., Prosser, C.F., and Shetrone, M.D.
          1994, AJ 107, 1773  [NGC 6838]

Sneden, C., Kraft, R.P., Prosser, C.F., and Langer, G.E. 1992,
          AJ 104, 2121  [NGC 5904]

Suntzeff, N.B., and Kraft, R.P. 1996, AJ, 111, 1913 [NGC 5139]

Suntzeff, N.B., Kraft, R.P., and Kinman, T.D. 1988, AJ 95, 91 
          [NGC 2419,4147,5024,5053]

Suntzeff, N., Olszewski, E., and Stetson, P.B. 1985, AJ 90, 1481  [AM-1]

Tavarez, M, and Friel, E.D. 1995, AJ 110, 223  [Lynga 7]




                        RADIAL VELOCITY 


	Most of the radial velocity data come from the 
four major sources listed below.  However, numerous more
recent sources are also available for smaller lists of
objects; in many cases these are based on large samples 
of stars from CORAVEL or multi-object echelle spectra with very
high internal precision (+-1 km/s or less) and almost totally
supersede any previous data.  The adopted v_r for each cluster
is the average of the available measurements, each one weighted
inversely as the published uncertainty.  Unlike many 
globular cluster parameters, it is possible to quantify 
the uncertainty in v_r on an individual basis reasonably
well, so the calculated uncertainty in the mean v_r is also given
in the data table.

	The quoted uncertainties should be taken as internal ones
(precisions).  The true external uncertainties are likely to be
a factor of 2 higher in general and are harder to evaluate correctly;
see the extensive discussions of Webbink (1981) and Rutledge et al. (1997).

	Correction of the heliocentric velocity v_r to the
Solar Local Standard of Rest is calculated by

 v_LSR = v_r + 10.4 cos b cos l + 14.8 cos b sin l + 7.3 sin b


          Major Sources:


Armandroff, T.E., and Zinn, R. 1988, AJ 96, 92  [27 clusters]

Hesser, J.E., Shawl, S.J., and Meyer, J.E. 1986, PASP 98, 403
          [90 clusters]

Webbink, R.F. 1981, ApJSuppl 45, 259  [85 clusters; complete
          literature survey up to 1981]

Zinn, R., and West, M.J. 1984, ApJSuppl 55, 45  [58 clusters; these
          velocities are corrected by -5 km/s to normalize them to the
          more recently calibrated velocity of their adopted 
          reference cluster, NGC 104.  The adopted uncertainty of these
          velocities is taken to be 15 km/sec.]

Rutledge, G.A., Hesser, J.e., Stetson, P.B., Mateo, M., Simard, L.,
          Bolte, M., Friel, E.D., and Copin, Y. 1997, PASP, in press
          [52 clusters; their quoted uncertainties have been reduced
          by a factor of 2.3 throughout to correspond to their INTERNAL
          measurement uncertainties and thus to make them comparable
          to the other studies; see their discussion.]


          Additional Sources:


Armandroff, T.E., and Da Costa, G.S. 1986, AJ 92, 777
          [NGC 104,1851,7078,7089]

Armandroff, T.E., and Da Costa, G.S. 1991, AJ 101, 1329
          [Pal 12, Eridanus]

Armandroff, T.E., Da Costa, G.S., and Zinn, R. 1992, AJ 104, 164
          [Pal 3,4,14]

Beers, T.C., Preston, G.W., Shectman, S.A., and Kage, J.A. 1990,
          AJ, 100, 849 [NGC 3201,5272,6121,6341,6397,6752]

Clementini, G., Merighi, R., Pasquini, L., Cacciari, C., and
          Gouiffes, C. 1994, MNRAS 267, 83  [NGC 6121]

Cote, P., Hanes, D.A., McLaughlin, D.E., Bridges, T.J., Hesser, J.E.,
          and Harris, G.L.H. 1997, ApJLett, 476, L15

Cote, P., Pryor, C., McClure, R., Fletcher, J.M., and Hesser, J.E.
          1996, AJ, 112, 574

Cote, P., Welch, D.L., Fischer, P., and Gebhardt, K. 1995,
          ApJ 454, 788 [NGC 3201]

Da Costa, G.S. 1982, PASP 94, 769  [NGC 1851]

Da Costa, G.S., and Armandroff, T.E. 1995, AJ 109, 2533
          [NGC 6366, 6626, 6715, Pal 15, Ter 7, Ter 8, Arp 2]

Da Costa, G.S., and Seitzer, P. 1989, AJ 97, 405  [NGC 6171,6366]

Dubath, P., and Meylan, G. 1994, AAp, 290, 104 [NGC 7078]

Fischer, P., Welch, D.L., Mateo, M., and Cote, P. 1993, 
          AJ 106, 1508 [NGC 362]

Gebhardt, K., Pryor, C., Williams, T.B., Hesser, J.E., and Stetson, P.B.
          1997, AJ, 113, 1026 [NGC 7078]

Geisler, D., Piatti, A.E., Claria, J.J., and Minniti, D. 1995,
          AJ 109, 605  [NGC 1904, 2298, 4372, 4590, 4833, 5053, 5694, 
          5897, 6101, 6121, 6144, 6397]

Grindlay, J., Bailyn, C., Mathieu, R., and Latham, D. 1987, in
          Globular Cluster Systems in Galaxies, IAU Symposium 126,
          ed. J.Grindlay and A.G.D.Philip (Dordrecht: Reidel), 659
          [NGC 6712]

Harris, H.C., Nemec, J.M., and Hesser, J.E. 1983, PASP 95, 256
          [NGC 6218,6779]

Lin, D.N.C., and Richer, H.B. 1992, ApJ 388, L57  [Rup 106]

Lupton, R.H., Gunn, J.E., and Griffin, R.F. 1987, AJ 93, 1114
          [NGC 6205]

Meylan, G., Dubath, P., and Mayor, M. 1991, ApJ, 383, 587  [NGC 104]

Meylan, G., and Mayor, M. 1986, AAp 166, 122  [NGC 104,5139]

Minniti, D. 1995, A&ASuppl 113, 299 [NGC 104, 288, 362, 1851, 5272,
          6121, 6356, 6366, 6401, 6440, 6517, 6528, 6553, 6624, 6637,
          6642, 6626, 6656, 6838, 7078, Pal 6]

Olszewski, E.W., Peterson, R.C., and Aaronson, M. 1986, ApJ 302, L45
          [NGC 5272,5904, Pal 4,14,15]

Olszewski, E.W., Pryor, C., and Schommer, R.A. 1993, in 
          The Globular Cluster - Galaxy Connection, ASP Conf.Series
          48, ed. G.H.Smith and J.P.Brodie (San Francisco: ASP), 99
          [NGC 2419]

Peterson, R.C. 1985, ApJ 297, 309
          [NGC 1904,2419,4147,5634, Pal 3,5,14, Eridanus]

Peterson, R.C., and Cudworth, K.M. 1994, ApJ 420, 612
          [NGC 6656]

Peterson, R.C., and Latham, D.W. 1986, ApJ 305, 645
          [NGC 5466,6121,6656,6838]

Peterson, R.C., and Latham, D.W. 1989, ApJ 336, 178  [Pal 15]

Peterson, R.C., Olszewski, E.W., and Aaronson, M. 1986, ApJ 307, 139
          [NGC 288,1904,2419,4147,5272,5466,5904,6121,7078, Pal 3,4,
          Eridanus]

Peterson, R.C., Rees, R.F., and Cudworth, K.M 1995, ApJ 443, 124
          [NGC 6121]

Peterson, R.C., Seitzer, P., and Cudworth, K.M. 1989, ApJ 347, 251
          [NGC 7078]

Piatek, S., Pryor, C., McClure, R.E., Fletcher, J.M., and Hesser, J.E.
          1994, AJ 107, 1397  [NGC 6171]

Pryor, C., McClure, R.D., Fletcher, J.M., and Hesser, J.E. 1987, in
          Globular Cluster Systems in Galaxies, IAU Symposium 126,
          ed. J.Grindlay and A.G.D.Philip (Dordrecht: Reidel), 661
          [NGC 4147,6171,6218]

Pryor, C., McClure, R.D., Fletcher, J.M., and Hesser, J.E. 1989,
          AJ 98, 596  [NGC 6624,6626,6681]

Pryor, C., McClure, R.D., Fletcher, J.M., and Hesser, J.E. 1991,
          AJ 102, 1026  [NGC 288,5466,6809]

Pryor, C., and Meylan, G. 1993, in Structure and Dynamics of Globular
          Clusters, ASP Conf.Series 50, ed. G.Meylan and
          S. Djorgovski (San Francisco: ASP), 357
          [NGC 288,1904,4590,6362,6535,6624,6656,6779,6809,
          6838,6934,7099]

Pryor, C., Schommer, R.A. and Olszewski, E.W. 1991, in 
          ASP Conf.Series 13, ed. K.Janes (San Francisco: ASP), 439
          [NGC 5053,5466]

Rastorguev, A.S., and Samus, N.N. 1991, Sov.Astron.Letters 17, 388
          [NGC 5904,6121,6218,6254,6838]

Suntzeff, N., and Kraft, R.P. 1996, AJ, 111, 1913 [NGC 5139]

Suntzeff, N., Olszewski, E., and Stetson, P.B. 1985, AJ 90, 1481
          [AM-1]

Tavarez, M., and Friel, E.D. 1995, AJ 110, 223  [Lynga 7]

Yan, L., and Cohen, J.G. 1996, AJ, 112, 1489 [NGC 5053]

Zaggia, S.R., Capaccioli, m., Piotto, G., and Stiavelli, M.
          1992, AAp 258, 302  [NGC 1904]

Zaritsky, D., Olszewski, E.W., Schommer, R.A., Peterson, R.C., and
          Aaronson, M. 1989, ApJ 345, 759  [Pal 14, Eridanus]




              STRUCTURAL AND DYNAMIC PARAMETERS


	Sources:


Djorgovski S. 1993, in Structure and Dynamics of Globular Clusters, 
	ASP Conf.Series 50, ed. S.G.Djorgovski and G.Meylan 
	(San Francisco: A.S.P.), 373

Trager S.C, Djorgovski S., and King I.R. 1993, in Structure
	and Dynamics of Globular Clusters, ASP Conf.Series 50,
	ed. S.G.Djorgovski and G.Meylan (San Francisco: A.S.P.), 347

Trager, S.C., King, I.R., and Djorgovski, S. 1995, AJ 109, 218

van den Bergh S., Morbey C., and Pazder J. 1991, ApJ 375, 594

Webbink R.F. 1985, in Dynamics of Star Clusters, IAU Symposium
        113, ed. J.Goodman and P.Hut (Dordrecht:  Reidel), 541



	The cluster core radii r_c, and the central concentration 
c = log(r_t/r_c), where r_t is the tidal radius, are taken from
the comprehensive discussion of Trager et al. (1993).  Updates for a 
few clusters (Pal 2, N6144, N6352, Ter 5, N6544, Pal 8, Pal 10, 
Pal 12, Pal 13) are taken from Trager, King, and Djorgovski (1995).
The half-mass radius r_h is taken from the direct average of Trager et al. and
van den Bergh et al.  There are about 20 clusters for which Trager et al.
quote values of c and r_c, but for which r_h is not given by 
either source.  For these, estimates of r_h have been calculated from 
the approximate relation

            log (r_h/r_c) = 0.6 c - 0.4

which is accurate to about 20%.  These objects are mostly sparse
or low-luminosity clusters.

	WARNING:  The listed values of r_c and c should not be used
to calculate a value of tidal radius r_t for core-collapsed clusters.
King (private communication) notes that their lists arbitrarily 
adopt c = 2.50 for such clusters, and these have been carried over to
the present catalog.  

	The relaxation times in the core and at the half-mass
radius, t(r_c) and t(r_h), are taken from Djorgovski (1993).

	The central surface brightness mu_V (magnitudes per square
arcsecond) is the average of the values from Trager et al. (1993)
and Webbink (1985), with a few updates from Trager et al. (1995)
(for HP 1, Ter 5, Pal 12, and Pal 13).
The central luminosity density, rho_0, in 
solar luminosities per cubic parsec, is calculated from the 
prescription given by Djorgovski (1993), using the previously
determined values of the central surface brightness, 
total cluster luminosity, and core radius.  These are different
in some cases from the values listed by Djorgovski, because
of revisions to the cluster distances.

