A 2006 Spectroscopic Study of ST LMi

Details A 2006 Spectroscopic Study of ST LMi A 2006 Spectroscopic Study of ST LMi

Dec 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...209.0916h&link_type=abstract

2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #09.16; Bulletin of the American Astronomical Society, V

Astronomy and Astrophysics

Astronomy

Scientific paper

Orbit-resolved spectroscopic and photometric observations of the magnetic cataclysmic variable ST LMi were obtained at several epochs during the high state and during its recent low state. In the low state the H-alpha line is triple-peaked. The satellite components are attributed to gas motions near the secondary star, likely due to extreme chromospheric activity. We compare these activity signatures with similar structures in AM Her. In the high state the H-alpha profile is complex, having two main components plus an extended blue wing at some orbital phases, similar to previously-reported high-state behavior in this system.

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