Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PSN J12040516+1404059

PSN J12040516+1404059   2015 05 20.56  *  12 04 05.16 +14 04 05.9  17.5 U    4W  10N  P038162   9 9



2015 05 20.56

We discovered this object on May 20.56 2015 UT in the Tsinghua University-NAOC Transient Survey (TNTS), and the magnitude of the object on unfiltered CCD was about 17.5 mag. Discovery and reference images: http://www.thca.tsinghua.edu.cn/~wangxf/TNTS/PSNJ12040516+1404059.png




2015 05 24.92715

This transient was observed on 2015 05 24.92715 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. 17.3 (R mags for the reference stars from UCAC-4). We also performed astrometry, getting the following end figures: 05.13; 05.1 (J2000.0, mean residuals of 0.1" on both axes).



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