A Recent Spectroscopic Study of V841 Ophiuchi

Details A Recent Spectroscopic Study of V841 Ophiuchi A Recent Spectroscopic Study of V841 Ophiuchi

Jun 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aj....125.3359d&link_type=abstract

The Astronomical Journal, Volume 125, Issue 6, pp. 3359-3365.

Astronomy and Astrophysics

Astronomy

6

Stars: Binaries: Spectroscopic, Methods: Data Analysis, Stars: Novae, Cataclysmic Variables, Stars: Individual: Constellation Name: V841 Ophiuchi, Techniques: Spectroscopic

Scientific paper

Extensive time-resolved, spectrophotometric observations of the Hα and He I λ6678 emission-line profiles in the old nova V841 Oph are presented and analyzed. The orbital period of this system was measured as 0.60144 (+/-56) days. Spectral signatures from the companion star were detected in the continuum around Hα and constraints on stellar masses and orbital parameters are derived on the basis of a statistical analysis of the emission and absorption radial velocities. Doppler tomography of the emission profiles is performed and disk radial emissivity functions are computed for Hα and He I lines.

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