Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PNV J23052314-0225455

PNV J23052314-0225455   2014 07 19.7383*  23 05 23.14 -02 25 45.5  12.3 U             Psc       0 0

2014 07 19.738

Discovered by M. Mukai, Kogoshima, Japan, on three 20-s frames (limiting mag.= about 14) using 105-mm f/2.8 lens + CCD (STL-6303E), who writes nothing is visible at this location on his past frames taken on 2013 June 13.746 (limit mag.= 14.4) and 2014 June 12.759 UT (limit mag.= about 13) using same patrol camera, and also who writes there is a star of mag.= 18.7 on USNO-A2.0 R at this location.

2014 07 19.9945

This transient was observed on 2014 07 19.9945 by G. Masi, remotely using the 17"-f/6.8 robotic unit part of the Virtual Telescope Project facility, at Bellatrix Astronomical Observatory in Ceccano, Italy. 30-seconds exposures, unfiltered, show the source at mag. 12.5 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 23.36; 48.3 (J2000.0, mean residuals of 0.2" on both axes).

2014 07 20.1281

This object appears on an image taken by E. Conseil with Slooh Space robotic telescope T2 (Mt Teide, Canary Islands). Primary instrument : 0.35 meter f/11 Schmidt-Cassegrain. MagR ~12.7 Image available at https://www.flickr.com/photos/econseil/14718491233/

2014 07 20

This object is clearly a cataclysmic variable star, not a nova, assuming its spectrum and lightcurve, as seen via Virtual Telescope, Italy, by G. Masi

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