[vsnet-alert 22331] MASTER OT J172758.09+380021.5 likely superoutburst

Mon Jul 23 04:07:25 JST 2018

MASTER OT J172758.09+380021.5  (UGSU:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=359271

Recent ASAS-SN Sky Patrol observations
(Shappee et al. 2014ApJ...788...48S and
Kochanek et al. 2017PASP..129j4502K):
https://asas-sn.osu.edu/light_curves/d98fc94c-2b59-4bbf-87f1-93ff1f866749
MASTER_OT_J172758.09+380021.5 20180713.462 <17.07V ASN
MASTER_OT_J172758.09+380021.5 20180716.395  14.23V ASN
MASTER_OT_J172758.09+380021.5 20180722.395  14.82V ASN

Long outburst. Time-resolved photometry is urgently required.

Clear skies,
Patrick
--------------------
>From 'activity at a glance (Jul 21)'
(Taichi Kato, vsnet-outburst 22380):

** MASTER OT J172758.09+380021.5 (UGSU:) **
20180709.5188 <143c (Yutaka Maeda)
20180710.5088 <152c (Yutaka Maeda)
20180713.7833 <141c (Yutaka Maeda)
20180714.7564 <153c (Yutaka Maeda)
20180716.633   142c (Mitsutaka Hiraga)
20180718.599   141c (Mitsutaka Hiraga)