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The Extended Dust Emission around GK Per

Published online by Cambridge University Press:  12 April 2016

S. M. Dougherty,
L. B. F. M. Waters,
M. F. Bode,
H. M. Lloyd,
D. J. M. Kester and
TJ. R. Bontekoe
S. M. Dougherty
Affiliation:
Chemical and Physical Sciences, John Moores University of Liverpool, Byrom Street, Liverpool, L3 3AF, UK
L. B. F. M. Waters
Affiliation:
Astronomical Institute “Anton Pannekoek”, University of Amsterdam, Kruislaan 403, 1098 SJ Amsterdam, The NetherlandsSRON Laboratory for Space Research, P.O. Box 800, 9700 AV Groningen, The Netherlands
M. F. Bode
Affiliation:
Chemical and Physical Sciences, John Moores University of Liverpool, Byrom Street, Liverpool, L3 3AF, UK
H. M. Lloyd
Affiliation:
Chemical and Physical Sciences, John Moores University of Liverpool, Byrom Street, Liverpool, L3 3AF, UK
D. J. M. Kester
Affiliation:
SRON Laboratory for Space Research, P.O. Box 800, 9700 AV Groningen, The Netherlands
TJ. R. Bontekoe
Affiliation:
SRON Laboratory for Space Research, P.O. Box 800, 9700 AV Groningen, The NetherlandsBontekoe Data Consultancy, Herengracht 47, NL-2312 LC Leiden, The Netherlands

Extract

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GK Per, a classical nova system that erupted in 1901, is one of the more unusual examples of its type. It has the longest known orbital period for a classical nova (1.997d; Crampton, Cowley & Fisher 1986); and it contains a white dwarf primary with an evolved K2 sub-giant secondary. Most remarkably, the IRAS Sky Survey (1991) reveals that GK Per exhibits far-IR dust emission extending ~ 17′ to the NW and SE of the nova (Bode et al. 1987; Seaquist et al. 1989). We have re-analysed the IRAS data using maximum entropy reconstruction (Bontekoe et al. 1991; Bontekoe, Koper & Kester 1994) to resolve structures at a spatial resolution approaching the diffraction limit of IRAS, which is 1′ at 60 μm and 1.7′ at 100/μm.

Information

Type
Post Common Envelope Binaries & Evolution
Information
International Astronomical Union Colloquium , Volume 158: Cataclysmic Variables and Related Objects , 1996, pp. 463 - 464
Copyright
Copyright © Kluwer 1996

References

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