ORFEUS Observations of the Magnetic Cataclysmic Variable PQ Geminorum

Details ORFEUS Observations of the Magnetic Cataclysmic Variable PQ Geminorum ORFEUS Observations of the Magnetic Cataclysmic Variable PQ Geminorum

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998apj...500l..21c&link_type=abstract

Astrophysical Journal Letters v.500, p.L21

Astronomy and Astrophysics

Astronomy

1

Stars: Binaries: Close, Stars: Novae, Cataclysmic Variables, Stars: Individual Constellation Name: Pq Geminorum, Ultraviolet: Stars

Scientific paper

We present preliminary analysis of the first far-ultraviolet observation of the magnetic cataclysmic variable PQ Geminorum (RE 0751+14). The mean spectrum of PQ Gem obtained by the ORFEUS telescope shows strong, broad emission lines of C III, He II, and O VI and possibly other weak lines within a structured continuum. The flat, overall continuum flux distribution observed indicates the presence of a hot, extended accretion region in PQ Gem. Time-series analysis of the spectra reveals that the emission lines are highly variable on short timescales.

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