Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aspc..349..395k&link_type=abstract
Astrophysics of Variable Stars, Pecs, Hungary, 5-10 September 2005, Sterken, C. and Aerts, C. (eds). ASP Conference Series, Vol.
Astronomy and Astrophysics
Astrophysics
1
Scientific paper
We present reddening values for the lines of sight to 3256 RR0 Lyrae stars from the Galactic bulge fields of the MACHO Survey. From this sample, we derive the selective extinction coefficient RV,VR = AV/E(V-R) = 3.9, which corresponds to RV = 1.9, substantially lower than the Galactic average of RV ≈ 3.1. Reddenings to individual stars using the intrinsic and observed (V-R) colors at minimum light are obtained. Our reddenings show good agreement with other determinations.
Chaboyer Brian
Cook Kem H.
Kunder Andrea Malaika
Nikolaev Sergei
Popowski Piotr
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