Ultraviolet spectrum variability of UX Ursae Majoris

Details Ultraviolet spectrum variability of UX Ursae Majoris Ultraviolet spectrum variability of UX Ursae Majoris

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...252l..35h&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 252, Jan. 1, 1982, p. L35-L37.

Astronomy and Astrophysics

Astrophysics

39

Line Spectra, Stellar Mass Ejection, Ultraviolet Spectra, Variable Stars, Emission Spectra, Iue, Light Curve, Periodic Variations, Stellar Rotation, Stellar Spectra, Stellar Temperature, Stellar Winds, Temperature Distribution, Temporal Resolution

Scientific paper

IUE spectra show UX Ursae Majoris to be a spectacular ultraviolet line spectrum variable on time scales of months. Time-resolved spectra around the orbit show that the continuum is strongly eclipsed, whereas the line emission is not. Features in the light curve which are identified with a hot spot are not prominent in the far-UV. The UV line emission probably originates in a wind.

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