CT Hya: Normal outbursts and December superoutburst
January, February, and March outbursts
The SU UMa-type dwarf nova CT Hya experienced an outburst at 14.7mag
on January 10 as reported by R. Stubbings.
The latest superoutburst of CT Hya occurred in
1999 Februrary, when a campaign was conducted by the Kyoto team, Rudolf
Novak and Seiichiro Kiyota (IBVS 4974). There remained an unsolved phase
shift of a superhump during this run (see IBVS 4794).
(vsnet-alert 4002).
The outburst seems to be rapidly fading, which indicating a normal outburst
(vsnet-alert 4007).
The other outburst was reported by R. Stubbings on February 6 at the
magnitude of 14.8. The outburst interval of 27 d is the shortest ever
observed in this object (GCVS period 151.7 d)
(vsnet-alert 4130).
As reported by A. Henden, the rapid fading of the current outburst was
confirmed. This is also a normal one
(vsnet-alert 4135,
vsnet-alert 4139).
On March 29, R. Stubbings again reported an outburst at 14.2mag and
again faded rapidly
(vsnet-alert 4498).
November - December Superoutburst
As reported by R. Stubbings et al. on November 29, the other ourburst
was detected
(vsnet-campaign-dn 274,
280).
S. Kiyota has reported his time-series photometry on December 1,2,4,5
(vsnet-campaign-data 47,
48,
49,
50), and
L. Cook reported that using
combined data on December 2 and 4, the period analysis shows the candidates
of 0.0664 day and 0.0688 day
(vsnet-campaign-data 52).