Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J12354440+1605376

PSN J12354440+1605376   2015 05 12.65  *  12 35 44.40 +16 05 37.6  18.4 U    3E   2N            9 9


2015 05 12.65

We discovered this object on May 12.65 2015 UT in the Tsinghua University-NAOC Transient Survey (TNTS), and the magnitude of the object on unfiltered CCD was about 18.4 mag. Discovery and reference images: http://www.thca.tsinghua.edu.cn/~wangxf/TNTS/PSNJ12354440+1605376.png



2015 05 24.94683

This transient was observed on 2015 05 24.94683 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. 120-seconds exposures, unfiltered, show the source at mag. 18.5 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 44.35; 37.6 (J2000.0, mean residuals of 0.1" on both axes).


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