[vsnet-alert 4553] BC UMa at supermaximum

[Patrick Schmeer <p.schmeer@mx.uni-saarland.de>]

Visual magnitude estimates by P. Schmeer, Bischmisheim, Germany:
 
BC URSAE MAJORIS  (UGSU)
Mar.  1.872 UT,  12.6 ;  2.122,  12.7 ;  2.806,  12.8
Sequence:   Henden (V magnitudes) + H/T (V= 11.15)
Instrument: 203-mm SCT
 
This SU UMa-type dwarf nova has been bright for the third consecutive
night and thus definitely undergoing a (relatively faint) superoutburst -
the first (recorded) one for almost six years. The lightcurve seems to  
have had a peak on Mar. 31 (similar to V592 Her during its last outburst).
 
Time-resolved photometry is very urgently required.
 
Regards,
Patrick  
 
P.S.:
UMABC  20000401.872  126  Scp
UMABC  20000402.122  127  Scp
UMABC  20000402.806  128  Scp
 
P.P.S.:
I am sure to have reported 'Bee Cee UMa' to Gary's answering machine -
but I was on a hurry at that time.

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