Nova V2362 Cygni (Nova Cygni 2006): Spitzer, swift, and ground-based spectral evolution

David K. Lynch; Charles E. Woodward; Robert Gehrz; L. Andrew Helton; Richard J. Rudy; Ray W. Russell; Richard Pearson; Catherine C. Venturini; S. Mazuk; John Rayner; Jan Uwe Ness; Sumner Starrfield; R. Mark Wagner; Julian P. Osborne; Kim Page; Richard C. Puetter; R. Brad Perry; Greg Schwarz; Karen Vanlandingham; John Black; Michael Bode; Aneurin Evans; Thomas Geballe; Matthew Greenhouse; Peter Hauschildt; Joachim Krautter; William Liller; James Lyke; Jim Truran; T. Kerr; S. P S Eyres; Steven N. Shore

doi:10.1088/0004-6256/136/5/1815

Nova V2362 Cygni (Nova Cygni 2006): Spitzer, swift, and ground-based spectral evolution

David K. Lynch, Charles E. Woodward, Robert Gehrz, L. Andrew Helton, Richard J. Rudy, Ray W. Russell, Richard Pearson, Catherine C. Venturini, S. Mazuk, John Rayner, Jan Uwe Ness, Sumner Starrfield, R. Mark Wagner, Julian P. Osborne, Kim Page, Richard C. Puetter, R. Brad Perry, Greg Schwarz, Karen Vanlandingham, John BlackMichael Bode, Aneurin Evans, Thomas Geballe, Matthew Greenhouse, Peter Hauschildt, Joachim Krautter, William Liller, James Lyke, Jim Truran, T. Kerr, S. P S Eyres, Steven N. Shore

Research output: Contribution to journal › Article › peer-review

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Abstract

Nova V2362 Cygni has undergone a number of very unusual changes. Ground-based spectroscopy initially revealed a normal sequence of events: the object faded and its near-infrared emission lines gradually shifted to higher excitation conditions until about day 100 when the optical fading reversed and the object slowly brightened. This was accompanied by a rise in the Swift X-ray telescope flux and a sudden shift in excitation of the visible and IR spectrum back to low levels. The new lower excitation spectrum revealed broad line widths and many P-Cygni profiles, all indicative of the ejection of a second shell. Eventually, dust formed, the X-ray brightness - apparently unaffected by dust formation - peaked and then declined, and the object faded at all wavelengths. The Spitzer dust spectra revealed a number of solid-state emission features that, at this time, are not identified.

Original language	English (US)
Pages (from-to)	1815-1827
Number of pages	13
Journal	Astronomical Journal
Volume	136
Issue number	5
DOIs	https://doi.org/10.1088/0004-6256/136/5/1815
State	Published - Nov 1 2008

Keywords

Accretion, accretion disks
Line: profiles
Novae, cataclysmic variables
Stars: winds, outflows

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1088/0004-6256/136/5/1815

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Lynch, D. K., Woodward, C. E., Gehrz, R., Helton, L. A., Rudy, R. J., Russell, R. W., Pearson, R., Venturini, C. C., Mazuk, S., Rayner, J., Ness, J. U., Starrfield, S., Wagner, R. M., Osborne, J. P., Page, K., Puetter, R. C., Perry, R. B., Schwarz, G., Vanlandingham, K., ... Shore, S. N. (2008). Nova V2362 Cygni (Nova Cygni 2006): Spitzer, swift, and ground-based spectral evolution. Astronomical Journal, 136(5), 1815-1827. https://doi.org/10.1088/0004-6256/136/5/1815

Lynch, DK, Woodward, CE, Gehrz, R, Helton, LA, Rudy, RJ, Russell, RW, Pearson, R, Venturini, CC, Mazuk, S, Rayner, J, Ness, JU, Starrfield, S, Wagner, RM, Osborne, JP, Page, K, Puetter, RC, Perry, RB, Schwarz, G, Vanlandingham, K, Black, J, Bode, M, Evans, A, Geballe, T, Greenhouse, M, Hauschildt, P, Krautter, J, Liller, W, Lyke, J, Truran, J, Kerr, T, Eyres, SPS & Shore, SN 2008, 'Nova V2362 Cygni (Nova Cygni 2006): Spitzer, swift, and ground-based spectral evolution', Astronomical Journal, vol. 136, no. 5, pp. 1815-1827. https://doi.org/10.1088/0004-6256/136/5/1815

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abstract = "Nova V2362 Cygni has undergone a number of very unusual changes. Ground-based spectroscopy initially revealed a normal sequence of events: the object faded and its near-infrared emission lines gradually shifted to higher excitation conditions until about day 100 when the optical fading reversed and the object slowly brightened. This was accompanied by a rise in the Swift X-ray telescope flux and a sudden shift in excitation of the visible and IR spectrum back to low levels. The new lower excitation spectrum revealed broad line widths and many P-Cygni profiles, all indicative of the ejection of a second shell. Eventually, dust formed, the X-ray brightness - apparently unaffected by dust formation - peaked and then declined, and the object faded at all wavelengths. The Spitzer dust spectra revealed a number of solid-state emission features that, at this time, are not identified.",

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AU - Lynch, David K.

AU - Woodward, Charles E.

AU - Gehrz, Robert

AU - Helton, L. Andrew

AU - Rudy, Richard J.

AU - Russell, Ray W.

AU - Pearson, Richard

AU - Venturini, Catherine C.

AU - Mazuk, S.

AU - Rayner, John

AU - Ness, Jan Uwe

AU - Starrfield, Sumner

AU - Wagner, R. Mark

AU - Osborne, Julian P.

AU - Page, Kim

AU - Puetter, Richard C.

AU - Perry, R. Brad

AU - Schwarz, Greg

AU - Vanlandingham, Karen

AU - Black, John

AU - Bode, Michael

AU - Evans, Aneurin

AU - Geballe, Thomas

AU - Greenhouse, Matthew

AU - Hauschildt, Peter

AU - Krautter, Joachim

AU - Liller, William

AU - Lyke, James

AU - Truran, Jim

AU - Kerr, T.

AU - Eyres, S. P S

AU - Shore, Steven N.

PY - 2008/11/1

Y1 - 2008/11/1

N2 - Nova V2362 Cygni has undergone a number of very unusual changes. Ground-based spectroscopy initially revealed a normal sequence of events: the object faded and its near-infrared emission lines gradually shifted to higher excitation conditions until about day 100 when the optical fading reversed and the object slowly brightened. This was accompanied by a rise in the Swift X-ray telescope flux and a sudden shift in excitation of the visible and IR spectrum back to low levels. The new lower excitation spectrum revealed broad line widths and many P-Cygni profiles, all indicative of the ejection of a second shell. Eventually, dust formed, the X-ray brightness - apparently unaffected by dust formation - peaked and then declined, and the object faded at all wavelengths. The Spitzer dust spectra revealed a number of solid-state emission features that, at this time, are not identified.

AB - Nova V2362 Cygni has undergone a number of very unusual changes. Ground-based spectroscopy initially revealed a normal sequence of events: the object faded and its near-infrared emission lines gradually shifted to higher excitation conditions until about day 100 when the optical fading reversed and the object slowly brightened. This was accompanied by a rise in the Swift X-ray telescope flux and a sudden shift in excitation of the visible and IR spectrum back to low levels. The new lower excitation spectrum revealed broad line widths and many P-Cygni profiles, all indicative of the ejection of a second shell. Eventually, dust formed, the X-ray brightness - apparently unaffected by dust formation - peaked and then declined, and the object faded at all wavelengths. The Spitzer dust spectra revealed a number of solid-state emission features that, at this time, are not identified.

KW - Accretion, accretion disks

KW - Line: profiles

KW - Novae, cataclysmic variables

KW - Stars: winds, outflows

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Nova V2362 Cygni (Nova Cygni 2006): Spitzer, swift, and ground-based spectral evolution

Abstract

Keywords

ASJC Scopus subject areas

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