Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2732....1m&link_type=abstract
The Astronomer's Telegram, #2732
Astronomy and Astrophysics
Astronomy
1
Cataclysmic Variables, Novae, Variables
Scientific paper
The symbiotic star CI Cyg is on a steep rise toward a second maximum in the major outburst phase it entered in 2008 (Munari et al. 2008, CBET 1487), the first one after 30 years of flat quiescence. CI Cyg has experienced only a few outbursts in its long recorded history. The outbursts of 1911 and 1937 have been modest in both brightness amplitude and duration. Then, between 1970 and 1978 CI Cyg experienced a major outburst phase, characterized by three maxima occurring on Nov 1971 (V=9.3), Nov 1973 (V=9.8) and Aug 195 (V=8.7) and minima (V=11.1) on Jun 1973 and Mar 1975.
Cherini G.
Dallaporta Sandrine
Munari Ulisse
Siviero Alessandro
Valisa P.
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