Far-Ultraviolet Spectra of TT Arietis

Details Far-Ultraviolet Spectra of TT Arietis Far-Ultraviolet Spectra of TT Arietis

Mar 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aj....133.1204h&link_type=abstract

The Astronomical Journal, Volume 133, Issue 3, pp. 1204-1207.

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Novae, Cataclysmic Variables, Stars: Individual: Tt Ari, Stars: Variables: Other, Ultraviolet: Stars

Scientific paper

Spectra of the nova-like variable star TT Arietis were taken with the Far Ultraviolet Spectroscopic Explorer during three consecutive spacecraft orbits. The observations were made in 2004 during an extended high state of the system. The spectra show a combination of broad Lyman and wide high-ionization absorption lines. There is also significant H2 absorption, narrow Lyβ emission, and narrow absorption at the higher Lyman lines. The O VI lines appear to have weak P Cygni profiles. We discuss the spectra and the observed changes that may arise from a hot disk wind.
Based on observations made with the NASA-CNES-CSA Far Ultraviolet Spectroscopic Explorer. FUSE is operated for NASA by The Johns Hopkins University, under NASA contract NAS5-32985.

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