CSS233313-155744: an eclipsing dwarf nova with a 61.7-min orbital period

Details CSS233313-155744: an eclipsing dwarf nova with a 61.7-min orbital period CSS233313-155744: an eclipsing dwarf nova with a 61.7-min orbital period

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011atel.3705....1w&link_type=abstract

The Astronomer's Telegram, #3705

Astronomy and Astrophysics

Astronomy

Optical, Cataclysmic Variable, Transient, Variables

Scientific paper

High speed photometry of the recently discovered dwarf nova CSS111019:233313-155744 from the Catalina Real-Time Transient Survey (CRTS: Drake et al. 2009, ApJ 696, 870) has revealed that it is an ultra-short period dwarf nova with an orbital period of 61.70 ± 0.02 min. The photometry obtained with the new Sutherland High-speed Optical Camera (SHOC) on the 1-m reflector of the Sutherland Station of the South African Astronomical Observatory on 19.81-19.86 and 20.73-20.85 Oct 2011 UT has revealed shallow eclipses and distinct superhumps; the superhump period is 63.6 ± 0.1 min.

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