SIMBAD references

2002AJ....123.3428D - Astron. J., 123, 3428-3433 (2002/June-0)

2MASS observations of spectroscopically identified extragalactic C stars.


Abstract (from CDS):

We matched spectroscopically identified C stars (from low-resolution objective prism surveys) in the Magellanic Clouds with Two Micron All Sky Survey (2MASS) sources. We confirm that C stars show a large spread in absolute magnitudes, even in the Ks band. We show that the I and Ks magnitude distributions of a population of C stars (in the LMC) have a similar narrow dispersion if the C stars are selected in a well-defined color range. Using magnitude and color criteria, we employ the 2MASS data to identify 26 C stars in the Fornax dwarf spheroidal galaxy. The mean Ks magnitude and the mean bolometric magnitude of C stars are found to be slightly brighter in the LMC and SMC when compared with those of the Fornax dwarf spheroidal galaxy. The difference could be explained by ages and/or abundance differences.

Abstract Copyright:

Journal keyword(s): Galaxies: Individual: Name: Fornax - Galaxies: Magellanic Clouds - Stars: Carbon - Techniques: Photometric

Nomenclature: Table 1: [DDB2002] NN (Nos 1-26).

Simbad objects: 31

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