Evans, A and Gehrz, RD and Woodward, CE and Sarre, PJ and van Loon, JT and Helton, LA and Starrfield, S and 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, 457 (3). 2871 - 2876. ISSN 1365-2966

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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 superimposed, 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.

Item Type: Article
Additional Information: This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society ©: 2016 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Uncontrolled Keywords: astronomy, astrophysics, circumstellar matter stars, CK Vul ISM, molecules, infrared, stars
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Divisions: Faculty of Natural Sciences > School of Physical and Geographical Sciences
Related URLs:
Depositing User: Symplectic
Date Deposited: 17 May 2016 10:28
Last Modified: 19 Sep 2017 13:21
URI: http://eprints.keele.ac.uk/id/eprint/1724

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