[vsnet-alert 22258] V631 Her: long outburst (supermaximum?)

Wed Jun 27 02:35:35 JST 2018

V631 Herculis  (UGSU:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=15442

The current outburst has also been detected by the ASAS-SN Sky Patrol
(Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K):
https://asas-sn.osu.edu/light_curves/be49255c-8f1d-42dd-83b7-e19a063ebb11

Data (from the subtracted like curve) provided by Joshua Shields (ASAS-SN):
HERV631 20180614.324 <18.67g ASN
HERV631 20180615.309 <18.68g ASN
HERV631 20180618.517  16.66V ASN
HERV631 20180621.274  17.31g ASN
HERV631 20180622.360  16.97g ASN
HERV631 20180623.323  16.93V ASN
HERV631 20180624.260 <17.13g ASN 
HERV631 20180625.376 <17.15V ASN

*** Time-resolved photometry is urgently required. ***

Clear skies,
Patrick
-----------------------------------
Taichi Kato wrote (vsnet-alert 19847):

V631 Her outburst 

CRTS detection. This is probably the first secure astrometry of this dwarf
nova. Only two outbursts in the CRTS data.

CSS160527:180845+342724
http://nesssi.cacr.caltech.edu/catalina/20160527/1605271350814117609.html
18 08 44.73 +34 27 24.1 17.43 No SDSS object CV