1998AJ....116.2395M

Query : 1998AJ....116.2395M

1998AJ....116.2395M - Astron. J., 116, 2395-2414 (1998/November-0)

WFPC2 observations of star clusters in the Magellanic clouds. II. The oldest star clusters in the Small Magellanic Cloud.

MIGHELL K.J., SARAJEDINI A. and FRENCH R.S.

Abstract (from CDS):

We present our analysis of archival Hubble Space Telescope Wide Field Planetary Camera 2 (WFPC2) observations in F450W (~B) and F555W (~V) of the intermediate-age populous star clusters NGC 121, NGC 339, NGC 361, NGC 416, and Kron 3 in the Small Magellanic Cloud. We use published photometry of two other SMC populous star clusters, Lindsay 1 and Lindsay 113, to investigate the age sequence of these seven star clusters in order to improve our understanding of the formation chronology of the SMC. We analyzed the V versus B-V and MV versus (B-V)0 color-magnitude diagrams of these populous Small Magellanic Cloud star clusters using a variety of techniques and determined their ages, metallicities, and reddenings. These new data enable us to improve the age-metallicity relation of star clusters in the Small Magellanic Cloud. In particular, we find that a closed-box continuous star formation model does not reproduce the age-metallicity relation adequately. However, a theoretical model punctuated by bursts of star formation is in better agreement with the observational data presented herein.

Abstract Copyright: ∼

Journal keyword(s): Galaxies: Evolution - Galaxies: Individual: Name: Small Magellanic Cloud - Galaxies: Star Clusters - Galaxies: Local Group

VizieR on-line data: <Available at CDS (J/AJ/116/2395): tables.dat>

Nomenclature: Table 4: Cl* NGC 416 MSF Nyyyyxxxx N=2826. Table 5: Cl* NGC 121 MSF Nyyyyxxxx N=3696. Table 6: Cl* NGC 339 MSF Nyyyyxxxx N=773. Table 7: Cl* NGC 361 MSF Nyyyyxxxx N=1241. Table 8: Cl* Kron 3 MSF Nyyyyxxxx N=2102.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 37

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Number of rows : 37
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 Cl Lindsay 1 Cl* 00 03 53.50 -73 28 15.0   11.7       ~ 125 0
2 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
3 ESO 28-19 Cl* 00 24 45.98 -72 47 37.9   11.6 12.05     ~ 152 0
4 NGC 121 GlC 00 26 49.0 -71 32 10   11.2 11.24     ~ 330 0
5 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
6 NGC 288 GlC 00 52 45.24 -26 34 57.4   10 8.13     ~ 1130 0
7 NGC 339 OpC 00 57 47.62 -74 28 14.6 13.23 12.94 12.21   11.20 ~ 157 0
8 NGC 361 OpC 01 02 11.11 -71 36 25.3 12.86 12.43 11.77   10.70 ~ 105 0
9 NGC 362 GlC 01 03 14.26 -70 50 55.6     6.58     ~ 1167 0
10 NGC 416 Cl* 01 07 59.03 -72 21 20.5 12.73 12.55 11.76   10.71 ~ 156 1
11 Cl Lindsay 113 Cl* 01 49 30.0 -73 43 40   11.9       ~ 97 0
12 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
13 NGC 1261 GlC 03 12 16.21 -55 12 58.4     8.63     ~ 579 0
14 NAME Eridanus Star Cluster GlC 04 24 44.5 -21 11 13           ~ 192 1
15 NGC 1841 GlC 04 45 24.38 -83 59 53.3   12.23 11.43     ~ 190 0
16 NGC 1754 Cl* 04 54 18.080 -70 26 32.58   12.32 11.57     ~ 96 0
17 NGC 1786 Cl* 04 59 07.470 -67 44 45.44   10.1       ~ 152 0
18 NGC 1835 Cl* 05 05 09.210 -69 24 20.96   11.314 10.596     ~ 173 0
19 NGC 1851 GlC 05 14 06.76 -40 02 47.6           ~ 1529 0
20 NGC 1898 As* 05 16 45.380 -69 39 16.76   12.62 11.86     ~ 104 0
21 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
22 M 79 GlC 05 24 10.59 -24 31 27.3     8.16     ~ 883 0
23 NGC 2005 Cl* 05 30 08.500 -69 45 14.42   12.30 11.57     ~ 103 0
24 NGC 2109 Cl* 05 44 23.180 -68 32 49.33   12.55 12.21     ~ 13 0
25 ESO 121-3 Cl* 06 02 03.32 -60 31 25.6   14.91 14.04     ~ 118 0
26 NGC 2210 GlC 06 11 31.296 -69 07 17.04   10.9 10.94     ~ 196 0
27 NAME Hodge 11 GlC 06 14 22.92 -69 50 54.9   12.57 11.93     ~ 117 0
28 M 68 GlC 12 39 27.98 -26 44 38.6     7.96     ~ 1069 0
29 NGC 5053 GlC 13 16 27.09 +17 42 00.9     9.96     ~ 675 0
30 GCl 38 GlC 16 10 59.00 +14 57 42.0           ~ 399 0
31 M 92 GlC 17 17 07.39 +43 08 09.4     6.52     ~ 2240 0
32 NGC 6352 GlC 17 25 29.11 -48 25 19.8           ~ 425 0
33 NGC 6397 GlC 17 40 42.09 -53 40 27.6     5.17     ~ 2103 0
34 NGC 6535 GlC 18 03 50.51 -00 17 51.5     9.85     ~ 320 0
35 NGC 6752 GlC 19 10 52.11 -59 59 04.4           ~ 2121 0
36 M 15 GlC 21 29 58.33 +12 10 01.2           ~ 3274 0
37 NAME Local Group GrG ~ ~           ~ 9325 0

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