Time-Resolved Spectrophotometry of the Nova-like Variable VZ Sculptoris

Details Time-Resolved Spectrophotometry of the Nova-like Variable VZ Sculptoris Time-Resolved Spectrophotometry of the Nova-like Variable VZ Sculptoris

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.3612m&link_type=abstract

American Astronomical Society, 195th AAS Meeting, #36.12; Bulletin of the American Astronomical Society, Vol. 31, p.1421

Astronomy and Astrophysics

Astronomy

1

Scientific paper

We present a spectrophotometric analysis of the eclipsing nova-like variable VZ Sculptoris. The data include 132 time-resolved spectra obtained with the 4-meter CTIO telescope in addition to 277 time-resolved spectra obtained with the KPNO 2.1-meter telescope. Although Doppler tomography, light and radial velocity curves of the prominent HI, HeI and HeII λ4686 emission lines suggest the existence of an accretion disc, a program to model the emission-line profiles to better determine the geometry of the system is currently underway. We discuss the possibility that VZ Sculptoris belongs to a currently unexplained subclass of nova-like objects called the SW Sex stars. This work was supported in part by the National Science Foundation Research Experience for Undergraduates program.

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