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The outburst of a variable star candidate in Cas – XM30MZ

Mi Zhang and Xing Gao, report the outburst of a variable star candidate (mag approximately 16.4) was discovered on several 120-s survey images (limiting mag about 18.5) taken by Xing Gao in Xingming Observatory Sky Survey(N88) around May. 06.87963 UT using a unfiltered CCD ( 0.3-m f/3.6 reflector ). The transient approximately located at R.A.=23h37m48.20s +61d27’11”.4 (equinox 2000.0).
NET UCAC-4
XM30MZ C2020 05 01.85419 23 37 48.21 +61 27 11.2 18.3 V N88
XM30MZ C2020 05 01.87230 23 37 48.22 +61 27 11.6 18.4 V N88
XM30MZ C2020 05 06.87963 23 37 48.20 +61 27 11.4 16.4 V N88
XM30MZ C2020 05 06.89769 23 37 48.21 +61 27 11.4 16.3 V N88
All images can be seen from: http://xjltp.china-vo.org/XM30MZ.html N88,Xingming Observatory #3, Mt. Nanshan. Observers M.Zhang,X.Gao,Measurers M.Zhang, 0.3-m f/3.6 reflector and CCD.

XM30MZ
= TCP J23374820+6127114
= GSC2.3 N19Y009268
= 2MASS J23374819+6127114

2458971.35418981 18.3 V
2458971.37230324 18.4 V
2458976.37962962 16.4 V
2458976.39768518 16.4 V

2458977.35335648 18.7 V
2458977.35707175 18.0 R
2458977.36075231 16.5 I
2458977.36453703 18.7 V
2458977.36827546 18.0 R
2458977.37194444 16.5 I

Discovery image taken by C42 on May. 06.87963 UT,2020

 

Confirm image taken by C42 on May. 06.89769 UT,2020

 

Archival image taken by C42 on May. 01.85419 UT,2020

 

Archival image taken by C42 on May. 01.87230 UT,2020

 

PS image

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