Interstellar extinction and ultraviolet flux distribution of Scorpius X-1

Details Interstellar extinction and ultraviolet flux distribution of Scorpius X-1 Interstellar extinction and ultraviolet flux distribution of Scorpius X-1

Jan 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...227..291w&link_type=abstract

Astrophysical Journal, Part 1, vol. 227, Jan. 1, 1979, p. 291-293. NASA-supported research.

Astronomy and Astrophysics

Astronomy

8

Eclipsing Binary Stars, Interstellar Extinction, Spectral Energy Distribution, Stellar Spectrophotometry, Ultraviolet Astronomy, X Ray Sources, Astronomical Netherlands Satellite, Black Body Radiation, Distance, Radiant Flux Density, Scorpius Constellation, Thermal Radiation, Ultraviolet Spectrophotometers

Scientific paper

Measurements of absorption at 2200 A for Sco X-1 indicate an E(B-V) of approximately 0.28. The distance to Sco X-1 is estimated to be 350 pc while the X-ray luminosity is thought to be 5 times 10 to the 36th ergs/sec. It is found that the de-reddened ultraviolet flux distribution closely resembles a blackbody at 26,000 K. Brightness variations and their relation to flickering phenomena are considered.

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