Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J10524126+3640086

PSN J10524126+3640086   2013 03 02.83  *  10 52 41.26 +36 40 08.6  17.0 U  153E 180N   N3432    2 0

2013 03 02.83

V. Nevski, E. Romas and I. Molotov report the discovery of an apparent supernova/nova (mag approximately 17.0) on three unfiltered images with exposure 100 sec (lim mag 20.5) taken on Mart 02.83 UT with the 0.4-m reflector + CCD at ISON-Kislovodsk observatory (Russia, MPCCOD: D00). The new object is located at R.A. 10h52m41s.26, Decl. +36d40'08".6 (UCAC-3 catalogue), which is about 153" east and 180" nouth of the center of the galaxy NGC 3432. Nothing is visible at this position on our images obtained on 2013-02-02 (limiting mag 20.5). In MPChecker there is no asteroids. The image is available https://docs.google.com/a/tut.by/file/d/0B7rNSNqMFOd8cW1lc1l2MTdpaWc/edit?usp=sharing Position is close to the supernova SN2000ch, possibly cataclysmic variable? http://simbad.u-strasbg.fr/simbad/sim-id?Ident=%401763943&Name=SN%202000ch&submit=submit

2013 03 03.2786

L. Elenin (Lyubertsy, Russia) and I. Molotov (Moscow, Russia) confirm what object PSN J10524126+3640086 is visible on 3x300sec images remotely taken at ISON-NM Observatory (Mayhill, NM, USA) with 0.45-m f/2.8 telescope + CCD (KAF09000) on Mar. 03.2786 2013. Object located at 10h 52m 41s.38 +/- 0".09, +36d 40' 09".6 +/- 0".08 (UCAC-4) with magnitude 17.6U (mag. limit ~20.7m). Object is also visible on POSSIIUKSTU_Red plate (Epoch 1998-05-16). Image of PSN J10524126+3640086 available at http://spaceobs.org/images/TOCP/PSNJ10524126+3640086-20130303.png

2013 03 03.753

Additional observations with the 0.4-m reflector + CCD at ISON-Kislovodsk observatory: on 4x100sec images mag approximately 19.2

2013 03 03.423

This possible supernova in NGC 3432 was detected with 10 x 15 min images using a red filter Astrometry: RA 10 52 41.26 Dec +36 40 09.0 Photometry: 18.37 +/- 0.76 R (R as ref) These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information http://www.flickr.com/photos/43846774@N02/8526040045/

2013 03 03.99550

This object was observed by Federica Luppi and Luca Buzzi from Schiaparelli Observatory, Varese, Italy. In a stack of images totalling 10 minutes of unfiltered exposure time, the object has position end figures 41s.27, 08".9 and magnitude 19.1. Image posted at URL http://www.astrogeo.va.it/pub/TOCP/PSN_N3432.jpg

2013 03 04.9740

Photometry: 18.2 +/- 0.10 U Astrometry: RA 10 52 41.25 Dec. +36 40 08.96 (equinox 2000.0). GiaGa Obs. Pogliano Milanese (MI) Italy (MPC 203). 0.28m f/6.8 Schmidt-Cassegrain + ST8XME. UCAC-3 reference stars, exp. 18 min (average of 12 images, each of 90 sec.). Observers S. Foglia and G. Galli

2014 04 23.63466

Masakatsu Aoki, Tsukioka, Toyama, reports his discovery of an possible supernova (mag 17.8) on images (lim mag 19.5) with the 0.5-m f/5.6 Ritchey-Chretien + unfiltered CCD. He writes nothing is visible at this location on his past frames taken on 2014 Apr. 9 UT, Mar. 28UT, Mar. 16UT, and Mar. 04UT. PSN was confirmed on several frames taken during 2 hours after discovery,using same instrument, of course, PSN shows no motion. Koichi Itagaki, Teppo-cho, Yamagata, reports this object was [18.2 on his survey frame taken on 2014 Apr. 23.581UT using 0.60-m f/5.7 reflector + CCD at the Yamagata observatory. H. Yamaoka, Kyushu University, suggest that this object is a LBV. See IAUC 7415, 7419, 7421, CBET 1534, and TOCP PSN J10524126+3640086 (2013). communicate by T. Yusa, Osaki, Japan.

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