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J/A+A/466/501 JKs photometry of WLM galaxy carbon stars (Valcheva+, 2007)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
table1.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=J/A+A/466/501
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Beginning of ReadMe :J/A+A/466/501 JKs photometry of WLM galaxy carbon stars (Valcheva+, 2007)
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Carbon stars and C/M ratio in the WLM dwarf irregular galaxy.
Valcheva A.T., Ivanov V.D., Ovcharov E.P., Nedialkov P.L.
<Astron. Astrophys., 466, 501-507 (2007)>
=2007A&A...466..501V
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ADC_Keywords: Galaxies, nearby ; Stars, carbon ; Photometry, infrared
Keywords: galaxies: individual: WLM - stars: AGB and post-AGB - stars: carbon -
galaxies: irregular - Local Group
Abstract:
We identify the rich carbon star population of the Magellanic-type
dwarf irregular galaxy WLM (Wolf-Lundmark-Melotte) and study its
photometric properties from deep near-IR observations. The galaxy
also exhibits a clear presence of oxygen-rich population. We derive
a carbon to M-star ratio of C/M=0.56+/-0.12, relatively high in
comparison with many galaxies. The spatial distribution of the AGB
stars in WLM hints at the presence of two stellar complexes with a
size of a few hundred parsecs. Using the HI map of WLM and the
derived gas-to-dust ratio for this galaxy
N(HI)/E(B-V)=60+/-10[10^21^at/cm^2^/mag] we re-determined the
distance modulus of WLM from the IR photometry of four known Cepheids,
obtaining (m-M)0=24.84+/-0.14mag. In addition, we determine the scale
length of 0.75+/-0.14kpc of WLM disk in the J-band.
Description:
The observations of WLM were made in Dec. 2004 under non-photometric
conditions. To estimate the foreground contamination, an additional
field located 14.8' South from the center of the galaxy, far enough to
eliminate the galaxy contribution, was observed in July 2006
(hereafter "clear sky" field). The near-IR imaged and spectrograph
SofI (Son of ISAAC) at the ESO NTT (New Technology Telescope) on La
Silla was used.