[vsnet-alert 15768] PNV J19150199+0719471

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Sat Jun 1 10:35:01 JST 2013


PNV J19150199+0719471

Subject: Re: [vsnet-alert 15767] Re: Possible magnitude 10.8 nova in Aquila
From: Enrique de Miguel <edmiguel63 at gmail.com>
Date: Sat, 1 Jun 2013 03:22:45 +0200

Confirming bright object at 19:15:02.047 +07:19:46.78. Position =
determined by averaging the position of the object over 10 frames as =
measured using
the PinPoint Astrometry Engine (USNO-A2 catalogue). Instrumental =
magnitudes are
2013-06-01 00:11:20 UT  B =3D 10.40(2)   =20
2013-06-01 00:07:15 UT  V =3D 10.565(9)
as measured from 10 V frames and 10 B frames using GSC 0476-00316 =
(magnitudes B=3D12.735, V=3D11.941 from APASS ) as comparison star.

Enrique de Miguel

===

   It seems to me that the object is too blue for a classical nova
in this region.  The large proper motion (if identical) in
the astrometry catalogs also suggests the dwarf nova-type nature.

191502.0 +071947 (2000.0) IPHAS_J191502.09+071947.6 em R=18.503 R-I=0.139 R-Ha=0.680 MNRAS384,1277 

   Time-resolved photometry is also encouraged.


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