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AT 2018apj
AT 2018apj
RA/DEC (2000)
09:55:31.940 +69:09:14.70
148.883083 +69.154083
Type
---
Redshift
Discovery Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2018-04-02 14:46:57.000
TNS AT
Y
Public
Y
Host Name
M81
Discovery Mag
20.4
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
2018-03-21 14:43:56 - 2018-04-02 14:46:57
2
Photometry
ID
Obs-date
Mag. / Flux
Err
Lim. Mag./Flux
Units
Filter
Tel / Inst
Exp-time
Observer/s
Remarks
26676
2018-04-02 14:46:57
20.4
21.5
VegaMag
Clear-
Other_Other
300
Zhijian Xu, Xing Gao
0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
26675
2018-03-21 14:43:56
21.7
VegaMag
Clear-
Other_Other
300
Xing Gao
[Last non detection]
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
17604
2018-04-02 15:18:05
Zhijian Xu
Zhijian Xu, Xing Gao
XOSS
XOSS
09:55:31.940
+69:09:14.70
2018-04-02 14:46:57.000
20.4
Clear-
1
PNV
XMr4ZX
XOSS
Zhijian Xu and Xing Gao report the discovery of a possible nova in M81. The transient is approximately Mag. 20.4 on severl 300-s survey images (limiting mag about 21.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Apr. 02.61594 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=09h55m31.94s +69d09'14".7 (equinox 2000.0). Which is about 6.6" west and 319.7" north of the center of the M81. Nothing is visible at this position on archival images taken on Mar 21.61384 (limiting mag 21.7). NET UCAC-4 XMr4ZX KC2018 04 02.61594 09 55 31.94 +69 09 14.7 20.4 V C42. All images can be seen from:
http://www.xjltp.com/XOSS/XMr4ZX/XMr4ZX.htm
. Xingming Observatory(C42) - NEXT, Mt. Nanshan, 0.6-m f/8 Ritchey-Chretien telescope and CCD.
Related files
File
File Type
Comments
Last Modified (UT)
Modified By
tns_2018apj_atrep_17604_XOSS.jpg
Graphics
2018-04-05 05:33:26
Zhijian Xu
Classification Reports
No Data