Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994isaa.conf..288s&link_type=abstract
In Israel Society of Aeronautics and Astronautics, 34th Israel Annual Conference on Aerospace Sciences p 288-291 (SEE N94-35004
Astronomy and Astrophysics
Astronomy
Astronomical Maps, Color-Color Diagram, Iue, Star Distribution, Stellar Spectra, Td-1 Satellite, Ultraviolet Astronomy, Ultraviolet Spectra, Astronomical Catalogs, Binary Stars, Israeli Space Program, Peculiar Stars, Spaceborne Astronomy, Star Trackers, Ultraviolet Telescopes
Scientific paper
A method was developed to predict the ultraviolet (UV) brightness of stars to enable UV star maps to be based on existing star catalogs and visible spectral data. Such maps are required for the preliminary planning of UV satellite missions, specifically, in the case of the present work, for the Tel-Aviv UV Explorer (TAUVEX), due to be launched at the end of 1995. The maps will also aid the identification of objects imaged by TAUVEX whose UV flux differs considerably from predicted values. Such objects will be subjected to further investigation. The ultraviolet (UV) emissions of several hundred stars, obtained from measurements with the International Ultraviolet Explorer (IUE) satellite, were compared with their catalogued visible emissions in the blue (B) bandpass and the visual bandpass (V) ranges, to obtain a UV-B vs B-V color-color diagram. Spectra and predicted UV-visual color-color diagrams are presented for main-sequence stars, which comprise 90% of all stars.
Almoznino Elchanan
Bilenko Benny
Brosch Noah
Mersov G.
Shemi Amotz
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