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[vsnet-alert 4646] IY UMa in outburst
- Date: Thu, 20 Apr 2000 08:46:00 +0200
- To: vsnet-alert@kusastro.kyoto-u.ac.jp, cba-news@astro.bio2.edu, Patrick Schmeer <extpasc@rz.uni-sb.de>
- From: Patrick Schmeer <p.schmeer@mx.uni-saarland.de>
- Subject: [vsnet-alert 4646] IY UMa in outburst
- Sender: owner-vsnet-alert@kusastro.kyoto-u.ac.jp
IY UMa = TmzV85 (UGSU+E)
UMAIY 20000418.194 169C Scp
UMAIY 20000420.175 141C Scp
Sequence: Henden, R = V - 0.508*(B-V) - 0.040
Instrument: IRO (0.5-m RCT + AP-8)
This eclipsing SU UMa-type dwarf nova is undergoing its third ever recorded
outburst. The most recently observed one (a supermaximum) started between
2000 Jan. 9 and 13 (cf. vsnet-alert 4027). The interval between the two
brightenings was only 96-103 days.
Time-resolved photometry during the current (normal?) outburst is strongly
recommended.
Clear skies,
Patrick
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