Makoto Iida (VSOLJ) communicates that both GO Com and S10932 are detected in outburst on his CCD frames taken on Mar. 26. Follow-up observations are strongly encouraged.
S10932 960326.61128 147 Arm.VSOLJ outburst & eclipse observation S10932 960326.61356 148 Arm.VSOLJ S10932 960326.61583 146 Arm.VSOLJ S10932 960326.61825 151 Arm.VSOLJ S10932 960326.62052 167 Arm.VSOLJ S10932 960326.62278 154 Arm.VSOLJ S10932 960326.62503 150 Arm.VSOLJ S10932 960326.62728 145 Arm.VSOLJ
Images taken outside eclipse (left) and in eclipse (right)
sequential CCD images of S10932 by Iida
Indiviual images were taken at:
mid-exposure (in UT)
1996 Mar. 26 14h 40m 15s
14 43 32
14 46 48
14 50 17
14 53 33
14 56 48
15 00 03
15 03 17
Dear Colleagues,
Since the New Year outburst of S 10932 Com we were watching this star in almost every clear night, mainly to study its remarkably varying normal state light curve - apart from the eclipses. The normal brightness varies with an amplitude of up to one magnitude (R-band) within one orbital period. From night to night the variations are even larger - up to 1.5 mag.
Our last observations of S 10932 at 1996 March 14 show the star in its normal brightness region.
In an attempt to confirm the current outburst we found S 10932 NOT being brighter than usual (Mar 27.85). Since we know from the 96-Jan-1 outburst that the decline takes several days we should expect the star brighter than it is. On the other hand, Makoto Iida's images (ftp://ftp.kusastro.kyoto-u.ac.jp/pub/vsnet/DNe/S10932/s10932.gif) show the star really bright - no doubt that the star was in outburst.
Owing to the this rapid decline I would regard this outburst as only a small one or the maximum was earlier between 96-Mar-14 and 96-Mar-26. Perhaps there are more observers regularly watching this star in order to narrow the time of the maximum.
Best regards,
Peter Kroll
-- +----------------------+----------------------+-------------------------+ | Dr. Peter Kroll | | | +----------------------+ Sternwarte Sonneberg | S O N N E B E R G | | Tel. (49) 3675 81214 | Sternwartestr. 32 | | | Fax. (49) 3675 81219 | D 96515 Sonneberg | O B S E R V A T O R Y | | pk@stw.tu-ilmenau.de | GERMANY | | +----------------------+----------------------+-------------------------+
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