OY Car: Two superoutbursts of the eclipsing SU UMa star in 2000
According to R. Stubbings on February 22
(vsnet-obs 26472),
the eclipsing SU UMa-type dwarf nova OY Car experienced a rare superoutburst
at 12.0mag
(vsnet-alert 4253).
OY Car was last reported in outburst
in 1999 July (mv=12.4, J. Hers and R. Stubbings). The latest reported
superoutburst occurred in 1998 November (reaching mag 11.7)
(vsnet-alert 4254).
The shallow eclipses observed by A. Pearce indicate the maximum
expansion of the accretion disk
(vsnet-alert 4259).
W. S. G. Walker reported observations of three eclipses and two superhumps
in
[vsnet-alert 4280].
R. Stubbings reported the other outburst of the eclipsing SU UMa-type
dwarf nova OY Car on November 27 from 14.8mag to 13.5mag
(vsnet-outburst 1006,
vsnet-campaign 560).
OY Car rose to full maximum, indicating it is a superoutburst
(vsnet-campaign-dn 255).
The rapid fading from the current outburst started around December 12
as reported by R. Stubbings and A. Pearce
(vsnet-campaign 306,
310).