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AT 2018xb
AT 2018xb
RA/DEC (2000)
09:54:52.360 +69:04:08.50
148.718167 +69.069028
Type
---
Redshift
Discovery Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2018-02-19 18:02:06.000
TNS AT
Y
Public
Y
Host Name
M81
Discovery Mag
20
Filter
Clear-
Reporter/s
Zhijian Xu, Xing Gao
NED
SIMBAD
DECaLS
PanSTARRS-1
SkyMapper
VizieR
WISE
DSS
ADS
Spectra
No Data
Light Curves
Filter
Tel / Inst
Obs-date range
Photometry
Clear-
Other_Other
2018-02-16 17:23:29 - 2018-02-19 18:02:06
2
Photometry
ID
Obs-date
Mag. / Flux
Err
Lim. Mag./Flux
Units
Filter
Tel / Inst
Exp-time
Observer/s
Remarks
25625
2018-02-19 18:02:06
20
21.5
VegaMag
Clear-
Other_Other
200
Zhijian Xu, Xing Gao
0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
25624
2018-02-16 17:23:29
21.5
VegaMag
Clear-
Other_Other
200
Xing Gao
[Last non detection] 0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
AT Reports
ID
Time received (UT)
Sender
Reporter/s
Reportting group
Disc. Data Source
RA
DEC
Discovery date (UT)
Discovery Mag.
Filter
Related files
AT Type
Internal name
Assoc. Groups
End prop. period
Remarks
17014
2018-02-19 18:52:03
Zhijian Xu
Zhijian Xu, Xing Gao
XOSS
XOSS
09:54:52.360
+69:04:08.50
2018-02-19 18:02:06.000
20
Clear-
PNV
XMq9ZX
XOSS
Zhijian 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 Reports
No Data