2 papers
astro-ph2005
A test for the universality of extinction curve shape
Anna Geminale, Piotr Popowski
We present an analysis of 436 lines of sight with extinction data covering wavelength range from near-infrared (NIR) to ultraviolet (UV). We use J, H, K photometry from 2MASS datab…
astro-ph2004
Total to Selective Extinction Ratios and Visual Extinctions from Ultraviolet Data
Anna Geminale, Piotr Popowski
We present determinations of the total to selective extinction ratio R_V and visual extinction A_V values for Milky Way stars using ultraviolet color excesses. We extend the analys…