4.7 Article

Swift X-ray observations of classical novae

Journal

ASTROPHYSICAL JOURNAL
Volume 663, Issue 1, Pages 505-515

Publisher

IOP PUBLISHING LTD
DOI: 10.1086/518084

Keywords

novae; cataclysmic variables; stars : individual (V574 pup; V382 Nor; V1663 Aql; V5116 Sgr; V1047 Cen; V476 Sct; V477 Sct; Nova LMC 2005; V1494 Aql; V4743 Sgr; V1188 Sco); X-rays : stars

Funding

  1. STFC [ST/F006489/1] Funding Source: UKRI
  2. Science and Technology Facilities Council [ST/F006489/1] Funding Source: researchfish

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The new gamma-ray burst (GRB) mission Swift has obtained pointed observations of several classical novae in outburst. We analyzed all the observations of classical novae from the Swift archive up to 2006 June 30. We analyzed usable observations of 12 classical novae and found 4 nondetections, 3 weak sources, and 5 strong sources. This includes detections of two novae exhibiting spectra resembling those of supersoft X-ray binary source spectra (SSS), implying ongoing nuclear burning on the white dwarf surface. With these new Swift data, we add to the growing statistics of the X-ray duration and characteristics of classical novae.

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