RA/DEC (2000)
09:55:31.940 +69:09:14.70
148.883083 +69.154083
Type
---
Redshift
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

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 2018-03-21 14:43:56 - 2018-04-02 14:46:57 2458199.1138426 - 2458211.1159375 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
26676 2018-04-02 14:46:57 2458211.1159375 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 2458199.1138426 21.7 VegaMag Clear- Other_Other 300 Xing Gao [Last non detection]
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
17604 2018-04-02 15:18:05 Zhijian Xu Zhijian Xu,Xing Gao et al. XOSS XOSS 09:55:31.940 +69:09:14.70 2018-04-02 14:46:57.000 20.4 Clear- PNV M81 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. 2018TNSTR.431....1X N
Related files
File Comments Last Modified (UT) Modified By
tns_2018apj_atrep_17604_XOSS.jpg 2018-04-05 05:33:26 Zhijian Xu
No Data

Comments