2003A&A...400..917A

Query : 2003A&A...400..917A

2003A&A...400..917A - Astronomy and Astrophysics, volume 400917-921 (2003/3-4)

The Small Magellanic Cloud star cluster NGC 458. A new UBVI photometric study.

ALCAINO G., ALVARADO F., BORISSOVA J. and KURTEV R.

Abstract (from CDS):

We present a new photometry of the Small Magellanic Cloud star cluster NGC458 in UBVI filters. We determine the reddening E(B-V)=0.04±0.02. By comparison with the isochrones by Bertelli et al. (1994A&AS..106..275B) we derive an age of ≃140Myr. Three candidate blue straggler stars are proposed. The evolved ``blue loop'' stars of NGC458 have masses between 4 and 5M☉ and are hotter than model predictions.

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Journal keyword(s): stars: Hertzsprung-Russell (HR) and C-M diagrams - galaxies: stellar content - galaxies: Magellanic clouds - galaxies: individual: SMC - galaxies: stars clusters

VizieR on-line data: <Available at CDS (J/A+A/400/917): table1.dat table2.dat>

Nomenclature: Table 1: Cl* NGC 458 AAB NNN (Nos 1-999). Table 2: Cl* NGC 458 BLS NN (Nos 1-30).

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

Simbad objects: 2

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Number of rows : 2
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 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
2 NGC 458 OpC 01 14 52.94 -71 33 00.0 11.86 11.85 11.66   11.23 ~ 79 0

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