Distance scale and variable stars in Local Group Galaxies: LMC and Fornax

Details Distance scale and variable stars in Local Group Galaxies: LMC and Fornax Distance scale and variable stars in Local Group Galaxies: LMC and Fornax

2003-03-31

arxiv.org/abs/astro-ph/0303666v2

Astronomy and Astrophysics

Astrophysics

4 pages, 2 figures, uses mem.cls, in Stars in Galaxies, La Palma, March 2003

Scientific paper

We briefly review our photometric and spectroscopic study of RR Lyrae variable stars in the bar of the Large Magellanic Cloud (LMC), that allowed us to reconcile the so-called "short" and "long" distance moduli of the LMC on the value mod_LMC=18.51 +/- 0.085 mag. Then we present preliminary results from the photometric study of a 33' x 34' area in the Fornax dwarf spheroidal galaxy containing the stellar clusters Fornax 3 (NGC 1049) and 6. We identified about 1000 candidate variables in this field of Fornax, and report the first detection and measure of about 60 RR Lyrae variable stars in the globular cluster Fornax 3.

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