Synthetic Spectral Ananlysis of the Nova-Like Variable KQ Mon

Details Synthetic Spectral Ananlysis of the Nova-Like Variable KQ Mon Synthetic Spectral Ananlysis of the Nova-Like Variable KQ Mon

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21733806w&link_type=abstract

American Astronomical Society, AAS Meeting #217, #338.06; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Scientific paper

KQ Mon is classified as a nova-like variable with an uncertain orbital period of 0.128 d. Optical spectra (Zwitter, T. & Munari, U.1994, A&AS, 107, 503) reveal no emission lines but strong Balmer absorption features. High speed flickering has been observed indicative of accretion. IUE spectra reveal deep absorption lines due to C III, C II, Si III, Si IV, C IV, He II but no P Cygni profiles indicative of outflow. Its classification in Ritter and Kolb (2006) as a UX UMa type nova-like is uncertain. We have carried out the first synthetic spectral analysis of the IUE archival spectra of KQ Mon with realistic accretion disk models with vertical structure and high gravity photosphere models. The results of our model atmosphere and model accretion disk analyses are presented. We discuss the properties that we have derived for KQ Mon and compare KQ Mon with other nova-like variables viewed at low inclination.
This work was supported in part by NSF grant AST0807892 to Villanova University.

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