[vsnet-alert 11686] Probable New Dwarf Nova in Auriga

[Andrey Prokopovich]

Timur Kryachko (Russia) report the new object (mag approximately 15.4)
on the unfiltered images with
exposition 300 sec (lim mag 21) taken Nov. 23, 2009 during of our
variable stars search
program with a Takahashi FRC-300 30-cm f/7.8 telescope (+ Apogee Alta
U9000 CCD camera) at KSU Astrotel
Observatory (Karachay-Cherkessia, Russia).
The new object is located at R.A. = 05h06m17s.35 +/- 0.5, Decl. =
+35d47m38s.2 +/- 0.5 (equinox 2000.0).
Nov. 22, 2009 object's mag is approximately 21, but Nov. 23, 2009 it's
magnitude is 16. Only DSS2
R-plate dated 1988-12-01 shows object's outburst, on the other archive
DSS and 2MASS plates object is very faint.
Magnitude variability table:

  Date       UT     Mag.

2009 Nov. 22.9205 21.43 CR
          23.7075 17.14 CR
          23.8120 16.21 CR
          24.6470 15.48 CR
          24.7831 15.44 CR

Nov. 22 and Nov. 24 images animation: http://www.makhaon.com/_files/nova_Aur.gif