Swift observations of CSS081007:030559+054715


Beardmore A. P. , Osborne J. P. , Page K. L. , Schwarz G., Starrfield S., Hakala P., ...Daha Fazla

ASTRONOMISCHE NACHRICHTEN, cilt.331, ss.156-159, 2010 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 331 Konu: 2
  • Basım Tarihi: 2010
  • Doi Numarası: 10.1002/asna.200911318
  • Dergi Adı: ASTRONOMISCHE NACHRICHTEN
  • Sayfa Sayıları: ss.156-159

Özet

CSS081007:030559+054715 was discovered by the Catalina Real-time Transient Survey. Optical spectroscopy revealed a multi-peaked Ha 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 similar to 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. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim