CK Vul: A smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides)

A. Evans, R. D. Gehrz, C. E. Woodward, P. J. Sarre, J. T. van Loon, L. A. Helton, Sumner Starrfield, S. P S Eyres

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

We present observations of CK Vul obtained with the Spitzer Space Telescope. The infrared spectrum reveals a warm dust continuum with nebular, molecular hydrogen and HCN lines su- perimposed, together with the 'Unidentified Infrared' features. The nebular lines are consistent with emission by a low-density gas. We conclude that the Spitzer data, combined with other information, are incompatible with CK Vul being a classical nova remnant in 'hibernation' after the event of 1670, a 'very late thermal pulse', a 'Luminous Red Variable', such as V838 Mon, or a 'diffusion-induced nova'. The true nature of CK Vul remains a mystery.

Original languageEnglish (US)
Article numberstw122
Pages (from-to)2871-2876
Number of pages6
JournalMonthly Notices of the Royal Astronomical Society
Volume457
Issue number3
DOIs
StatePublished - Apr 11 2016

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hibernation
Space Infrared Telescope Facility
rarefied gases
infrared spectra
hydrocarbons
dust
hydrogen
hydrocarbon
continuums
pulses
gas

Keywords

  • Circumstellar matter - stars
  • CK Vul - ISM
  • Individual
  • Molecules - infrared
  • stars

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Evans, A., Gehrz, R. D., Woodward, C. E., Sarre, P. J., van Loon, J. T., Helton, L. A., ... Eyres, S. P. S. (2016). CK Vul: A smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides). Monthly Notices of the Royal Astronomical Society, 457(3), 2871-2876. [stw122]. https://doi.org/10.1093/mnras/stw352

CK Vul : A smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides). / Evans, A.; Gehrz, R. D.; Woodward, C. E.; Sarre, P. J.; van Loon, J. T.; Helton, L. A.; Starrfield, Sumner; Eyres, S. P S.

In: Monthly Notices of the Royal Astronomical Society, Vol. 457, No. 3, stw122, 11.04.2016, p. 2871-2876.

Research output: Contribution to journalArticle

Evans, A, Gehrz, RD, Woodward, CE, Sarre, PJ, van Loon, JT, Helton, LA, Starrfield, S & Eyres, SPS 2016, 'CK Vul: A smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides)', Monthly Notices of the Royal Astronomical Society, vol. 457, no. 3, stw122, pp. 2871-2876. https://doi.org/10.1093/mnras/stw352
Evans A, Gehrz RD, Woodward CE, Sarre PJ, van Loon JT, Helton LA et al. CK Vul: A smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides). Monthly Notices of the Royal Astronomical Society. 2016 Apr 11;457(3):2871-2876. stw122. https://doi.org/10.1093/mnras/stw352
Evans, A. ; Gehrz, R. D. ; Woodward, C. E. ; Sarre, P. J. ; van Loon, J. T. ; Helton, L. A. ; Starrfield, Sumner ; Eyres, S. P S. / CK Vul : A smorgasbord of hydrocarbons rules out a 1670 nova (and much else besides). In: Monthly Notices of the Royal Astronomical Society. 2016 ; Vol. 457, No. 3. pp. 2871-2876.
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