Far Ultraviolet Absolute Flux of alpha Virginis

Details Far Ultraviolet Absolute Flux of alpha Virginis Far Ultraviolet Absolute Flux of alpha Virginis

1999-08-31

arxiv.org/abs/astro-ph/9908341v1

Astronomy and Astrophysics

Astrophysics

13 pages, 4 figures. Submitted to The Astrophysical Journal

Scientific paper

10.1086/308362

We present the far ultraviolet spectrum of alpha Virginis taken with EURD spectrograph on-board MINISAT-01. The spectral range covered is from ~900 to 1080 A with 5 A spectral resolution. We have fitted Kurucz models to IUE spectra of alpha Vir and compared the extension of the model to our wavelengths with EURD data. This comparison shows that EURD fluxes are consistent with the prediction of the model within 20-30%, depending on the reddening assumed. EURD fluxes are consistent with Voyager observations but are ~60% higher than most previous rocket observations of alpha Vir.

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