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
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Light curves

 ▌Other_Other_Clear
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
No Data
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
Clear- Other_Other 2018-02-16 17:23:29 - 2018-02-19 18:02:06 2458166.2246412 - 2458169.2514583 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
25625 2018-02-19 18:02:06 2458169.2514583 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 2458166.2246412 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 Reporting group Disc. Data Source RA DEC Discovery date (UT) Discovery Mag. Filter Related files AT Type Host name Internal name Assoc. Groups End prop. period Remarks ADS Bibcode Unreal Auto classification
17014 2018-02-19 18:52:03 Zhijian Xu Zhijian Xu,Xing Gao et al. XOSS XOSS 09:54:52.360 +69:04:08.50 2018-02-19 18:02:06.000 20 Clear- PNV M81 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. 2018TNSTR.246....1X N
No Data

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