Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J00423928+4115169

PNV J00423928+4115169   2022 07 14.2122*  00 42 39.28 +41 15 16.9  17.6 C             M31       0 1

2022 07 14.5417

Probable nova AT 2022ouu discovered during the search for novae in M31 remotely using 0.61-m f/6.5 corrected Dall-Kirkham robotic telescope (Lane, 2018, RTSRE, 1, 119) of Burke-Gaffney Observatory (BGO) in Saint Mary's University (Halifax, Nova Scotia, Canada) with Astrodon Luminance filter. Visible in three images taken on July 14, 2022. Filipp Romanov (amateur astronomer, Russia).

2022 07 14.7708

Discovery image and last non-detection image: https://www.wis-tns.org/system/files/uploaded/general/tns_2022ouu_atrep_152316.jpg (Filipp Romanov)

2022 07 16.7986

Follow-up observation of AT 2022ouu = PNV J00423928+4115169 remotely using 0.355-m f/6.2 Schmidt-Cassegrain telescope of Abbey Ridge Observatory (Lane, 2018, RTSRE, 1, 119) in Canada: 17.1 G on 2022-07-16 03:19:16 (unfiltered 300-s. image). Stacked color image (Rc for red, V for green, B for blue) from 300-sec. photos: https://www.wis-tns.org/system/files/uploaded/general/tns_2022ouu_atrep_152388.jpg Filipp Romanov.

2022 07 16.7986

Updated position: 00:42:39.3 +41:15:17.1 (F. D. Romanov)

2022 07 17.608

http://k-itagaki.jp/images/PNV-J00423928+4115169.jpg , Position: 39.27 , 16.8

2022 08 21.684

The position has been updated: 00:42:39.28 +41:15:16.7. 60-sec. image taken on 2022-07-19 03:30:21 UT remotely using 2-m robotic Liverpool Telescope (La Palma, Spain) with IO:O camera and Sloan r' filter: https://www.wis-tns.org/system/files/uploaded/F.%20D.%20Romanov/tns_2022ouu_atrep_155325_F._D._Romanov.jpg Combined light curve (from July 14 to August 4, 2022): https://www.wis-tns.org/system/files/uploaded/F.%20D.%20Romanov/tns_2022ouu_atrep_155325_F._D._Romanov_0.jpg (Filipp Romanov)

2022 08 21.7222

I classified AT 2022ouu as Fe II nova. The spectrum of the nova AT 2022ouu = PNV J00423928+4115169: https://www.wis-tns.org/system/files/uploaded/F.%20D.%20Romanov/tns_2022ouu_classrep_13073_F._D._Romanov.jpg Page in the Transient Name Server: https://www.wis-tns.org/object/2022ouu (F. Romanov)

2022 08 23.4514

More information about the photometric data for AT 2022ouu is available in the ATel #15569 https://www.astronomerstelegram.org/?read=15569