NOAO >   Observing Info >   Approved Programs >   2003B-0126

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Proposal Information for 2003B-0126


PI: Styliani Kafka, Indiana University, skafka@astro.indiana.edu
Address: Astronoomy, Swain Hall West, Bloomington, IN 47405, US

CoI: Kent Honeycutt, Indiana University

Title: Monitoring the Wind in the Old Nova Q Cyg

Abstract: Cataclysmic variables (CVs) often have spectral signatures of bi- polar winds arising from the accretion disk. These winds carry mass and angular momentum, both important to the evolution of the system. For the most part, it has only been possible to study these winds by utilizing the P Cygni profiles seen in space-UV resonance lines. However, we have recently found that a rather normal old nova, Q Cyg, has variable P Cygni profiles in the optical part of the spectrum, This provides the opportunity to monitor the changes in the wind to determine time scales, kinematics, and geometry. Using the synoptic capabilities of the HET spectroscopic program, we propose to obtain spectra of Q Cyg over a 3 month interval, to learn how the wind depends on the outburst state of the system and on orbital phase.


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