Swift observations of CSS081007:030559+054715

A. P. Beardmore, J. P. Osborne, K. L. Page, G. Schwarz, Sumner Starrfield, P. Hakala, J. U. Ness, S. Balman, R. M. Wagner

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


CSS081007:030559+054715 was discovered by the Catalina Real-time Transient Survey. Optical spectroscopy revealed a multi-peaked Hα 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 ~ 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.

Original languageEnglish (US)
Pages (from-to)156-159
Number of pages4
JournalAstronomische Nachrichten
Issue number2
StatePublished - Feb 2010


  • Novae, cataclysmic variables
  • White dwarfs
  • X-rays: Stars

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science


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