Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J08510815+7150339

PSN J08510815+7150339   2014 01 22.9800*  08 51 08.15 +71 50 33.9  15.4 U    1W   7N  P24869    9 0


2014 01 22.9800

Giancarlo Cortini (Monte Maggiore Observatory-Predappio-ITALY) reports the discovery of a possible supernova in PGC 24869 by 0.35m. Sch.-Cass.F/5.5 + SXVR-H9 CCD camera on several unfiltered images,70 sec. exposure, mag. about+15.4,limit mag. about+19.0;the new object is located at:R.A.08 51 08.15,DECL.+71 50 33.9(2000.0) wich is :7 arcsec.N and 1 arcsec.W from the centre of the parent galaxy. My past images of the same field taken on 2014/01/06.90 showed nothing at that position (limit mag.+18.5) and it doesn't appear on P.O.S.S. II red and blue plates. No known minor planet is marked in that position for the time of the discovery.



2014 01 23.08753

I imaged this galaxy with 35cm F/6 Schmidt Cassegrain and ST9XME CCD unfiltered and found the newly reported object at RA 08 51 08.26 +71 50 33.2 CR mag= 15.8 using 9 ref stars UCAC-3 Denis Buczynski Tarbatness Observatory MPC Code I81



2013 12 30.898

N. Tyurina, E. Gorbovskoy, D. Denisenko, V. Lipunov (SAI MSU) report on behalf of the larger MASTER team: We have found PSN J08510815+7150339 on the prediscovery images by MASTER-Tunka robotic telescope (0.40-m f/2.5 reflector + CCD) obtained on 2014 Jan. 11.769 UT and on MASTER-Kislovodsk images of 2013 Dec. 30.898 UT (unfiltered magnitude 15.6). Nothing is present on MASTER-Kislovodsk unfiltered reference image of 2013 Nov. 06.955 UT (60-sec exposure) to limiting magnitude 19.2. Our images are posted at http://master.sai.msu.ru/static/PSNJ08510815+7150339.jpg



2014 01 24.9421

Mag.: 16.4(V) R.A.: 08 51 08.20; Decl.: +71 50 32.7 (2000.0). Reference: PPMXL Observer: Massimiliano Martignoni - Observatory: Stazione Astronomica Betelgeuse (B75), Magnago, Italy Telescope: Schmidt-Cassegrain 0.25m-f/10.0 - CCD: KAF0261E



2014 01 25.741

This transient was observed on 2014 01 25.741 by Gianluca Masi, Francesca Nocentini and Patrick Schmeer, remotely using the 17"-f/6.8 robotic unit part of the Virtual Telescope Project facility in Ceccano, Italy. 120-seconds exposures, unfiltered, show the source at mag. 16.2 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 08.24; 33.3 (J2000.0, mean residuals of 0.2" on both axes).



2014 01 25.826

Several low resolution spectra of this transient were obtained on 2014 01 25.826 by Gianluca Masi, Francesca Nocentini and Patrick Schmeer, remotely using the 14" robotic unit part of the Virtual Telescope Project facility in Ceccano, Italy. For this, we used a 100 lines/mm grating, with a dispersion of 34.7 angstroms/pixel. We see clear Si II absorption around 6150 angstroms, suggesting this is a type Ia supernova.



2014 01 26.279

This possible supernova in MCG +12-9-21 was detected with 1 x 10 min images using a clear filter Photometry: Mag 16.11 +/- 0.20 C (V for ref) Astrometry: RA 08 51 08.09 Dec +71 50 33.8 These data were collected remotely by Joseph Brimacombe, Cairns, Australia. Link to image and further information: http://www.flickr.com/photos/43846774@N02/12159858224/


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