星明天文台

国内外享有盛誉的业余天文台,在这里汇聚了众多的顶尖爱好者。我们致力于彗星,小行星,超新星,新星等各类新天体的发现。

POSSIBLE SUPERNOVA IN NGC6628 – PSP20B

Yang Shen, Fei Du, Yirui Fu, Xinyu Jiang, Yi Ding, Wei Gao, Lun Kun, Mi Zhang and Xing Gao, report the discovery of a possible supernova (mag approximately 16.9) on several 40s surveyimages (limiting mag about 18.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Nov. 07.52309 UT using a unfiltered CCD ( +Celestron C14 SchmidtCassegrain telescope  D=356mm @f/6.9 ). The transient approximately located at R.A.=18h22m23.33s +23d28’32”.2 (equinox 2000.0). Which is about 19.5″ east and 10.8″ south of the center of the NGC6628. Nothing is visible at this position on archival images taken on Oct. 21.53315 (limiting mag 18.0) . Images can be found at: http://xjltp.china-vo.org/psp20b.html

NET Gaia DR2
PSP20B C2020 11 07.52309 18 22 23.33 +23 28 32.2 16.9 G N88
PSP20B C2020 11 07.58932 18 22 23.36 +23 28 32.1 16.8 G N88
PSP20B C2020 11 07.59095 18 22 23.35 +23 28 32.3 16.6 R N88
NET USNO-B1.0
PSP20B C2020 11 07.59258 18 22 23.35 +23 28 32.6 16.7 I N88

Discovery image taken by N88 on Nov. 07.52309 UTC,2020 Archival image taken by N88 on Oct. 21.53315 UTC,2020
Confirm image taken by N88 on Nov. 07.58932 UT,2020 PS image

发表评论

必填项已用*标注