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 NOVA IN M31 – XM24MZ

Internal name XM24MZ RA/DEC (2000) 00 42 52.32 +41 16 12.8
Discovery date (UT) 2020-01-28.54455 Discovery Mag 17.0CV
Host name M31 Host Redshift -0.001
Type Nova Redshift
Other name/s AT 2020ber
PNV J00425232+4116128
References ATEL 13425
ATEL 13430
Reporter/s Mi Zhang, Xing Gao (Xingming Obs.)
Remarks Nova candidate classified by XOSS. Details can be found at http://xjltp.china-vo.org/xm24mz.html
Discovery image taken around 2020 Jan. 28.54455 UT at C42
Archival image taken around 2020 Jan. 27.67588 UT at C42 PanSTARRS-1 Image
Discovery report

Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 17.0) on several 300-s survey images (limiting mag about 20.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Jan. 28.54455 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m52.32s +41d16’12”.8 (equinox 2000.0). Which is about 90.2″ east and 4.3″ north of the center of the NGC224 (M31). Nothing is visible at this position on archival images taken on Jan. 27.67588 UT (limiting mag 19.0). It was suspected the recurrent nova RN M31N 1926-07c. All images can be seen from: http://xjltp.china-vo.org/XM24MZ.html

XM24MZ C2020 01 28.54455 00 42 52.32 +41 16 12.8 17.0CV C42

Jingyuan-N5 C2022 09 07.81894 00 42 52.33 +41 16 13.0 >20.0+-0.1CV N88
Jingyuan-N5 C2022 09 07.82863 00 42 52.35 +41 16 12.8 >20.0+-0.1CV N88
Jingyuan-N5 C2022 09 08.63108 00 42 52.35 +41 16 12.9 17.8+-0.1CV N88
Jingyuan-N5 C2022 09 08.63480 00 42 52.32 +41 16 13.2 17.8+-0.1CV N88
Jingyuan-N5 C2022 09 09.74560 00 42 52.35 +41 16 12.9 17.9+-0.2CV N88
Jingyuan-N5 C2022 09 09.74925 00 42 52.35 +41 16 13.1 17.9+-0.2CV N88
Jingyuan-N5 C2022 09 09.91904 00 42 52.36 +41 16 13.0 17.8+-0.2CV N88
Jingyuan-N5 C2022 09 09.92266 00 42 52.35 +41 16 12.5 17.8+-0.2CV N88
Jingyuan-N5 C2022 09 10.62263 00 42 52.38 +41 16 12.5 17.9+-0.1CV N88
Jingyuan-N5 C2022 09 10.62626 00 42 52.36 +41 16 13.1 17.9+-0.1CV N88
Jingyuan-N5 C2022 09 10.91898 00 42 52.41 +41 16 12.1 17.9+-0.1CV N88
Jingyuan-N5 C2022 09 10.92263 00 42 52.37 +41 16 12.8 17.9+-0.1CV N88

发表回复