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Bright PSN in PGC3087098 detected by MASTER

ATel #4518; P. Balanutsa, D. Denisenko, E. Gorbovskoy, V. Lipunov, N. Tiurina, V. Kornilov, A. Belinski, N. Shatskiy, V. Chazov, A. Kuznetsov, D. Zimnukhov, V. Echeistov, (Moscow State University, SAI), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov, A. Punanova (Ural Federal University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleshchuk, O. Gress (Irkutsk State University), A. Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik (Kislovodsk solar station of the Pulkovo observatory RAS), V. Yurkov, Y. Sergienko, D. Varda, E. Sinyakov (Blagoveshchensk Educational University), V. Shumkov, S. Shurpakov, P. Podvorotny, (MASTER team members), H. Levato, C. Saffe (ICATE), C. Mallamaci, C. Lopez and F. Podest (Observatorio Astronomico Felix Aguilar; OAFA)
on 26 Oct 2012; 08:02 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Supernovae

MASTER OT J131447.05+540505.5 - PSN in PGC 3087098 (SDSS J131446.51+540514.8)

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 13h 14m 47.05s +54d 05m 05.5s on 2012-10-25.87650 UT. The OT unfiltered magnitude is 16.5m (limit 17.9m). The OT is seen in 2 images. There is no minor planet at this place. We have reference image without OT on 2012-04-01.76801 UT with unfiltered magnitude limit 19.0m.

According to SDSS, the host galaxy SDSS J131446.51+540514.8 has a redshift of z=0.03316.

Nothing is visible at the position of PSN on the unfiltered images from identical MASTER-Tunka telescope of 2012 May 05.735 UT (180-sec exposures) with magnitude limit 18.8m, as well as on digitized POSS plates to limiting magnitude ~21 and on SDSS color image (m_lim~23). Comparison of MASTER-Amur discovery image with DSS and SDSS finder charts is uploaded to http://master.sai.msu.ru/static/OT/PSNJ131447+540505-DSS-SDSS.jpg

Spectral observations are required.

The discovery and reference images are available at: http://observ.pereplet.ru/images/131447.05540505.5.png

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