Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.5112l&link_type=abstract
American Astronomical Society, AAS Meeting #211, #51.12; Bulletin of the American Astronomical Society, Vol. 39, p.817
Astronomy and Astrophysics
Astronomy
Scientific paper
Nova V2362 Cygni was apparently the result of a rare type of thermonuclear runaway in which the initial explosion was followed by a second one a few months later. Spitzer and ground-based spectroscopy initially revealed a normal sequence of events until about day 100 when the optical fading reversed and the object slowly brightened. This was accompanied by a rise in the Swift XRT flux and a rejuvenation of the visible and IR spectrum which had previously been moving toward higher excitation. The new lower excitation spectrum revealed broad line widths and many P-Cygni profiles.
Eventually dust formed, the X-Ray brightness peaked and declined and the object faded at all wavelengths. The Spitzer dust spectra revealed a number of solid-state emission features which at this time are not identified.
Block Jonathan
Bode Matthias
Evans Aaron
Eyres Stewart P. S.
Geballe Theodore
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