The Previous Incarnation of the Old Nova Gk-Persei

Details The Previous Incarnation of the Old Nova Gk-Persei The Previous Incarnation of the Old Nova Gk-Persei

Aug 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994mnras.269..707s&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Vol. 269, NO. 3/AUG1, P. 707, 1994

Astronomy and Astrophysics

Astronomy

12

Scientific paper

We present the results of a survey of the immediate environment of the old nova GK Per in the J= 2 1 line of 12CO at 230 GHz, at higher spatial resolution than previous studies of this area. We find a bipolar emission region which is centred on the nova and whose lobes are expanding symmetrically. The morphology, expansion velocity, mass and dimensions of the bipolar lobes are all within the observed ranges of those associated with planetary nebulae. Our results therefore strongly support previous suggestions that GK Per is surrounded by a `fossil' planetary nebula. Key words: circumstellar matter - stars: individual: GK Per - novae, cataclysmic variables - planetary nebulae: individual: GK Per - radio lines: stars.

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