Discovery of coronal emission lines in V407 Cyg

Details Discovery of coronal emission lines in V407 Cyg Discovery of coronal emission lines in V407 Cyg

Apr 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2546....1m&link_type=abstract

The Astronomer's Telegram, #2546

Astronomy and Astrophysics

Astronomy

2

Optical, Binaries, Cataclysmic Variables, Novae, Variables

Scientific paper

We report about discovery of [FeX] 6375, [FeXI] 7890, [ArX] 5535 and [NiXII] 4233 Ang coronal emission lines in V407 Cyg, which are steadily increasing in intensity with time. V07 Cyg is a symbiotic binary harboring a Mira variable, of 745 day pulsation and a possible orbital period of 43 years, at a distance of 2.5/3.0 kpc and a reddening of E(B-V)=0.5/0.6 (Munari et al. 1990, MNRAS 242, 653).

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