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THE OUTBURST IN A NOVA CANDIDATE – KATS21Q001

Guoyou Sun (Xingming Obs), Quanzhi Ye (UMd), Xing Gao(XAO), Mi Zhang (Xingming Obs), and the KATS team report the discovery of a possible nova (V=13.6+-0.2). The source appears to correspond to object PS1 176700848943505888 (g=21.9) in the Pan-STARRS DR1 catalog. Discovery was made on four 60-s survey images (limiting mag about 17.3) taken by Xing Gao around 2021 Aug. 27.87 UT in the course of the KATS survey of Xinjiang Astronomical Observatory. Images can be found at: http://xjltp.china-vo.org/KATS21Q001.html

KATS21Q001 C2021 08 27.87299 05 39 34.69 +57 15 15.9 13.57 C N86

2021 09 05.85071 15.835+-0.01B
2021 09 05.85208 15.632+-0.01V
2021 09 05.85341 15.686+-0.01g
2021 09 05.85475 15.672+-0.01r
2021 09 05.85608 15.733+-0.01i
2021 09 05.85737 15.845+-0.01z
2021 09 05.85872 15.951+-0.01B
2021 09 05.86005 15.687+-0.01V
2021 09 05.86138 15.708+-0.01g
2021 09 05.86271 15.719+-0.01r
2021 09 05.86404 15.744+-0.01i
2021 09 05.86534 15.917+-0.01z

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2021xbh C2021 09 05.75615 05 39 34.60 +57 15 15.9 15.68G N88

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