PSP项目 PSP15B = SN 2015ay * 超新星 II型

10月4日晚PSP系统发现一颗超新星候选体,共同发现者廖家铭,陈剑星,徐佳一,孙国佑,高兴。报告如下:

POSSIBLE SUPERNOVA IN PGC 4142

Jiaming Liao(Hefei,Anhui,China),Jianxing Chen(Anqing,Anhui,China),Jiayi Xu (Xiaogan,Hubei,China),Guoyou Sun(Wenzhou,Zhejiang,China) and Xing Gao (Urumqi,Xinjiang,China), report the discovery of a possible supernova (mag approximately 16.8) on one 40-s survey image (limiting mag about 19.0) taken by Xing Gao in Xingming Observation Sky Survey(C42) around Oct.03.83492 UT. using an unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=01h 09m 46s.77 Decl.=+13 18 28.9(equinox 2000.0). Which is about 12.1″ east and 3.1″ south of the center of the PGC 4142. Nothing is visible at this position on archival images taken on Sept.17(limiting mag 19.0), or on the DSS(POSS-II Red) from Dec.18,1990(limiting mag about 19.5).

NET UCAC-A2.0
PSP15B   C2015 10 03.83492 01 09 46.77 +13 18 28.9          16.8 V      C42

All images can be seen from: http://www.xjltp.com/XOSS/PSP15B/PSP15B.htm
C42,Xingming Observatory,Mt. Nanshan. Observers J.Liao,J.Chen,J.Xu,G.Sun,X.Gao,Measurers G.Sun 0.36-m f/6.9 Schmidt-Cassegrain telescope and CCD.

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