Optical counterpart of GRB 210104A – XM49MZ

Mi Zhang, Xing Gao (Xingming Observatory), report the optical counterpart of GRB 210104A ( 17.36 r ). The transient was discovered on several 200-s survey images ( limiting mag about 18.5 ) taken by Xing Gao at Xingming Observatory #3 ( N88 ) around Jan. 04.50807, 2021 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). Images can be found at: http://xjltp.china-vo.org/xm49mz.html

XM49MZ C2021 01 04.50807 06 55 05.30 +64 40 34.3 17.36 r N88

JDHEL rmag.
2459219.008 17.329
2459219.011 17.422
2459219.013 17.471
2459219.016 17.553
2459219.018 17.65
2459219.021 17.681
2459219.024 17.724
2459219.026 17.404
2459219.029 17.337
2459219.031 17.398
2459219.034 17.512
2459219.037 17.824
2459219.039 17.832
2459219.042 18.012
2459219.044 18.025
2459219.047 18.151
2459219.05 18.034
2459219.052 18.053
2459219.055 18.091
2459219.057 18.145
2459219.061 18.183
2459219.065 18.158
2459219.069 18.255
2459219.072 18.363
2459219.076 18.38
2459219.08 18.372
2459219.084 18.331
2459219.087 18.389
2459219.091 18.369
2459219.103 18.535
2459219.106 18.607
2459219.11 18.674
2459219.114 18.657
2459219.118 18.671
2459219.121 18.755
2459219.125 18.749
Discovery image taken by N88 on Jan. 04.50807 UTC, 2021 PS Image

发表评论

必填项已用*标注