RX J0640-24 : Superoutburst? in June
On January 26, R. Stubbings and B. Monard reported that the
potential SU UMa-type dwarf nova RX J0640-24 entered in an outburst
(12.4, 12.2mag). The peak brightness was comparable to those of short
outbursts observed in the past
(vsnet-campaign 716).
The object rapidly faded as shown by reported magnitudes after January
27
(vsnet-campaign-dn 425,
vsnet-campaign-dn 433).
The object again experienced an outburst at 14.0mag on February 3
as reported by R. Stubbings
(vsnet-campaign-dn 453).
B. Monard detected another outburst on May 25 at magnitude 12.0
(vsnet-campaign-dn 834).
After rapid fading, it again experienced a new outburst at 11.4mag
on June 7
(vsnet-campaign-dn 889).
The reported magnitudes until June 10 indicate gradual decline, which
indicates it was a possible superoutburst
(vsnet-campaign-dn 891).