Discovery of a Large-Amplitude SU UMa-Type Dwarf Nova, CT Hydrae

Details Discovery of a Large-Amplitude SU UMa-Type Dwarf Nova, CT Hydrae Discovery of a Large-Amplitude SU UMa-Type Dwarf Nova, CT Hydrae

Aug 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996pasj...48..607n&link_type=abstract

Publications of the Astronomical Society of Japan, v.48, p.607-611.

Astronomy and Astrophysics

Astronomy

13

Stars: Cataclysmic, Stars: Dwarf Novae, Stars: Individual (Ct Hya)

Scientific paper

A faint dwarf nova, CT Hya, was observed for seven nights during its long outburst in 1995 February--March and during quiescence on 1995 December 15. V-band CCD photometry revealed superhumps with a period of 0.06505 (+/- 0.00010) d or its aliases, 0.06358 (+/- 0.00010) d or 0.06649 (+/- 0.00010) d, and with a total amplitude of about 0.25 mag. This discovery confirms CT Hya as being a new member of SU UMa-type dwarf novae. We have concluded that CT Hya is an intermediate object between ordinary SU UMa stars and WZ Sge stars based on its peculiar behavior.

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