1999AJ....117.1700C

Query : 1999AJ....117.1700C

1999AJ....117.1700C - Astron. J., 117, 1700-1707 (1999/April-0)

Deep Hubble Space Telescope observations of blue star clusters in NGC 3597.

CARLSON M.N., HOLTZMAN J.A., GRILLMAIR C.J., MOULD J.R., GRIFFITHS R.E., BALLESTER G.E., BURROWS C.J., CLARKE J.T., CRISP D., EVANS R.W., GALLAGHER III J.S., HESTER J.J., HOESSEL J.G., SCOWEN P.A., STAPELFELDT K.R., TRAUGER J.T., WATSON A.M. and WESTPHAL J.A.

Abstract (from CDS):

We have analyzed HST/WFPC2 images of NGC 3597 and find ∼700 compact objects surrounding the galaxy with an average (B-R)0∼0.6. We propose that the majority of these objects are young globular clusters. They have a spread in colors that is consistent with that expected for a population of young clusters with a common age and spread induced by photometric errors and reddening within NGC 3597. If these objects were similar to the Galactic globular cluster system seen at a younger age, we would predict a turnover in the luminosity function at B∼23. However, we find that the luminosity function for the clusters is increasing to the limits of our photometry (B∼27).

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Star Clusters

VizieR on-line data: <Available at CDS (J/AJ/117/1700): table1.dat>

Nomenclature: Table 1: [CHG99] xxx.xx-yyy.yy N=5.

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NGC 1275 Bla 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 4243 3
2 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
3 NGC 3256 Sy2 10 27 51.284 -43 54 13.55   11.83 11.33 10.62 11.9 ~ 920 2
4 NGC 3597 EmG 11 14 41.9796496464 -23 43 39.573399828   13.62   12.46   ~ 134 1
5 NGC 3921 LIN 11 51 06.8803989360 +55 04 43.414457484   13.4 12.64     ~ 260 1
6 NGC 4038 EmG 12 01 53.002 -18 52 03.32   10.91   9.74 11.0 ~ 1364 1
7 NAME Antennae IG 12 01 53.170 -18 52 37.92           ~ 1749 0
8 NGC 4039 GiP 12 01 53.51 -18 53 10.3   11.08   9.77   ~ 1173 1
9 NGC 7252 AGN 22 20 44.7748209648 -24 40 41.909518200 12.26 12.46 12.06 11.57   ~ 720 1

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