E2000 + 223 - A newly discovered old nova?

Details E2000 + 223 - A newly discovered old nova? E2000 + 223 - A newly discovered old nova?

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985pasp...97..570t&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 97, June 1985, p. 570-574.

Astronomy and Astrophysics

Astronomy

4

Novae, Radio Sources (Astronomy), X Ray Sources, Astronomical Maps, Photographic Plates, Planetary Nebulae, Spaceborne Astronomy

Scientific paper

The X-ray source, E2000 + 223, serendipitously discovered by the Einstein Observatory, has been tentatively identified with an old nova shell. Spectroscopic observations of the diffuse optical counterpart show a heavily reddened continuum with bright forbidden S II emission lines at double lambda 6716, 6732. Radio observations at the VLA show a weak (about 1.2 mJy) extended radio source, with a nonthermal spectrum, concident with the optical emission. The observations can be best explained by assuming the object is an old nova which erupted sometime in the eighteenth or nineteenth century, similar to GK Per (Nova 1901) but at a distance of 1.4 kpc.

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