A dwarf nova in Taurus

Details A dwarf nova in Taurus A dwarf nova in Taurus

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ap.....42...33p&link_type=abstract

Astrophysics, Volume 42, Issue 1, pp.33-36

Astronomy and Astrophysics

Astrophysics

1

Scientific paper

In searchs for flare stars in the vicinity of the Pleiades cluster, three flares were detected in 1970,1972, and 1977 in a star with the coordinates α 1950 = 3 h 48 m ·9, δ l950 = 25‡15’.8. The star’s brightness at a minimum is >21 m ·5. The star was tentatively assigned to the U Gem type. To confirm this assumption, we examined photographic plates for the period of 1947 1987. As a result, we found 12 more flares. The average recurrence time based on the 1963 1977 observations is about 330 days, and the maximum flare amplitude is >6 m . Narrow superflares and steady-state flares lasting over 40 days have been observed in the star. The results show that this is a dwarf nova of the UGSU subtype.

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