2005A&A...436..687H

Query : 2005A&A...436..687H

2005A&A...436..687H - Astronomy and Astrophysics, volume 436, 687-695 (2005/6-3)

A non-LTE analysis of the spectra of two narrow lined main sequence stars in the SMC.

HUNTER I., DUFTON P.L., RYANS R.S.I., LENNON D.J., ROLLESTON W.R.J., HUBENY I. and LANZ T.

Abstract (from CDS):

An analysis of high-resolution VLT/UVES spectra of two B-type main sequence stars, NGC 346-11 and AV 304, in the Small Magellanic Cloud (SMC), has been undertaken, using the non-LTE tlusty model atmospheres to derive the stellar parameters and chemical compositions of each star. The chemical compositions of the two stars are in reasonable agreement. Moreover, our stellar analysis agrees well with earlier analyses of HII regions. The results derived here should be representative of the current base-line chemical composition of the SMC interstellar medium as derived from B-type stars.

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Journal keyword(s): stars: abundances - stars: atmospheres - stars: early-type - galaxies: individual: Small Magellanic Cloud

VizieR on-line data: <Available at CDS (J/A+A/436/687): table1.dat>

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 11149 1
2 Cl* NGC 346 MPG 11 Y*O 00 58 13.9512028416 -72 09 19.107879408 14.02 15.12 15.27   15.46 B0V 14 0
3 AzV 304 * 01 02 21.4823289456 -72 39 14.587308576   14.66 14.77     B0.5V 48 0
4 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7066 0
5 * ksi01 CMa bC* 06 31 51.3662820799 -23 25 06.319934859 3.10 4.09 4.33 4.45 4.72 B0.7IV 322 0
6 * tau Sco * 16 35 52.9528530 -28 12 57.661515 1.55 2.56 2.81 2.93 3.18 B0.2V 920 0

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