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V631 Her long outburst (17 mag): time-resolved photometry required

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SPK's picture
V631 Her long outburst (17 mag): time-resolved photometry required

V631 Herculis (UGSU:)

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):

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,
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.

18 08 44.73 +34 27 24.1 17.43 No SDSS object CV

CTX's picture
V631 Her Now Has A Sequence

V631 Her Now Has A Sequence: 15.1V - 20.5V

Tim Crawford, Sequence Team

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