[vsnet-alert 23545] QY Per superoutburst (since Sept. 2)

Mon Sep 9 02:33:30 JST 2019

 QY Persei (UGSU)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=25857

Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) data and light curve:
https://asas-sn.osu.edu/light_curves/0a7e2888-915b-4736-8677-f66e39ad23bb

PERQY 20190829.432 <16.72g ASN
PERQY 20190902.497 14.35g ASN
PERQY 20190903.578 14.42g ASN
PERQY 20190904.555 14.50g ASN
PERQY 20190906.456 14.66g ASN

Time-resolved photometry is recommended.

Clear skies,
Patrick
------------
Hiroyuki Maehara <mira at cetus-net.org>
wrote in vsnet-outburst 24079:
DSLR magnitude estimates by VSOLJ members
object YYYYMMDD(UT) mag code
ASASSN-14fu 20190907.669 148c Hrm.VSOLJ
CYGV1028 20190907.673 138c Hrm.VSOLJ
PERQY 20190907.706 148c Hrm.VSOLJ
Observer: M. Hiraga (Yamaguchi, Japan)
Instruments: 20cmL + PENTAX K-5IIs  