SIMBAD references

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.


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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