[vsnet-alert 17014] MASTER OT J171921.40+640309.8 - new UGSU candidate (15.6m)

[Denis Denisenko]

Pavel Balanutsa has found new dwarf nova in Draco among MASTER-Amur
transients. It has been just published in ATel #5974: Two Large
Amplitude CVs in Draco discovered by MASTER, see
http://www.astronomerstelegram.org/?read=5974

MASTER OT J171921.40+640309.8
  20140310.5864  15.65C  MASTER-Amur
  20140310.5875  15.58C  MASTER-Amur
  20140310.5887  15.60C  MASTER-Amur
  20140310.6178  15.65C  MASTER-Amur
  20140310.6189  15.59C  MASTER-Amur
  20140310.6201  15.48C  MASTER-Amur
Internal photometric errors are 0.05m

Quiescent counterpart:
SDSS J171921.26+640311.0 (u=21.41 g=21.29 r=21.25 i=21.30 z=21.93)
http://skyserver.sdss3.org/dr8/en/tools/explore/obj.asp?id=1237671939804889721

Other IDs:
USNO-A2.0 1500-06249570 (17 19 21.29 +64 03 11.5 R=16.3 B=15.8)
USNO-B1.0 1540-0207100 (17 19 21.186 +64 03 10.20 pmRA=-12 pmDE=-32
B1=16.32 R1=16.65 B2=21.32 R2=20.19 I=N/A)
Comparison of POSS-I (outburst) and POSS-II (quiescence) blue plates:
http://master.sai.msu.ru/static/OT/J171921+640309-POSS-B.jpg (5'x5'
FOV)

MASTER discovery and reference images:
http://master.sai.msu.ru/static/OT/171921.40640309.8.png

SDSS colors suggest the short orbital period. Time-resolved photometry
is encouraged.

Denis Denisenko
Member of MASTER team at SAI MSU