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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 Netherlands SRON 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 Netherlands Bontekoe 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.

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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