AT 2018xb
RA/DEC (2000)
09:54:52.36 +69:04:08.50
148.718167 +69.069028
Type
---
Redshift
---
Source Group
XOSS
Discovery Date
2018-02-19 18:02:06
TNS AT
Y
Public
Y
Host Name
M81
Discovery Mag
20
Filter
Clear-
Discoverer/s
Zhijian Xu, Xing Gao
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2018-02-16 17:23:29 - 2018-02-19 18:02:062
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
256252018-02-19 18:02:062021.5VegaMagClear-Other_Other200Zhijian Xu, Xing Gao0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
256242018-02-16 17:23:2921.5VegaMagClear-Other_Other200Xing Gao[Last non detection] 0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
170142018-02-19 18:52:03Zhijian XuZhijian Xu, Xing GaoXOSS09:54:52.36+69:04:08.502018-02-19 18:02:0620Clear-PNVXMq9ZXXOSSZhijian Xu, Xing Gao report the discovery of a possible nova in M81. The transient is approximately Mag. 20.0 on severl 200-s survey images (limiting mag about 21.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Feb. 19.74683 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=09h54m52.36s +69d04'08".5 (equinox 2000.0). Which is about 218.9" west and 13.5" north of the center of the M81. Nothing is visible at this position on archival images taken on Feb 16.72464 (limiting mag 21.5). All images can be seen from: http://www.xjltp.com/XOSS/XMq9ZX/XMq9ZX.htm.
Classification Reportings
No Data

Comments