Swift observations of CSS081007:030559+054715

Details Swift observations of CSS081007:030559+054715 Swift observations of CSS081007:030559+054715

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010an....331..156b&link_type=abstract

Astronomische Nachrichten, Vol.331, Issue 2, p.156

Astronomy and Astrophysics

Astronomy

3

Novae, Cataclysmic Variables, White Dwarfs, X-Rays: Stars

Scientific paper

CSS081007:030559+054715 was discovered by the Catalina Real-time Transient Survey. Optical spectroscopy revealed a multi-peaked H\alpha emission line profile with radial velocities exceeding 1500 km/s, as well as strong Ne emission, suggestive of a neon nova. We monitored the source extensively with the {Swift} satellite, obtaining a unique dataset spanning 270 days in the soft X-ray and UV bands. The data reveal a soft, blackbody-like spectrum with a temperature around 55 {eV} (though dependent on the modelling), variable X-ray and UV light curves with a 1.77 day period in both the X-ray and UV bands, a longer timescale modulation of sim 50 days, followed by a slowly declining trend in the soft X-ray and UV flux. We highlight the {Swift} observations and their implications for the SSS nature of this object.

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