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POSSIBLE SUPERNOVA IN PGC 2707944 – PSP16A

POSSIBLE SUPERNOVA IN PGC 2707944

Zhijian Xu,Jiayi Xu,Hanjie Tan,Guoyou Sun and Xing Gao,report the discovery of a possible supernova (mag approximately 18.4) on one 40-s survey image (limiting mag about 19.0) taken by Xing Gao in Xingming Observation Sky Survey(C42) around Jan.15.65765 UT. using an unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=07h 16m 37s.42 Decl.=+67 53 31.4(equinox 2000.0). Which is about 40.4″ west and 11.6″ south of the center of the PGC 2707944. Nothing is visible at this position on archival images taken on Jan.13(limiting mag 19.0), or on the DSS(POSS-II Red) from Dec.21,1989(limiting mag about 19.5).

NET UCAC-A2.0
PSP16A C2016 01 15.65765 07 16 37.42 +67 53 31.4 18.4 V C42

All images can be seen from: http://www.xjltp.com/XOSS/PSP16A/PSP16A.htm
C42,Xingming Observatory,Mt. Nanshan. Observers Z.Xu,J.Xu,H.Tan,G.Sun,X.Gao,Measurers G.Sun 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.

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Discovery image taken by C42 on Jan.15.65765 UT,2016

Confirm image taken by C42 on Jan.15.69375 UT,2016

DSS IMAGE

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