AT 2018apj
RA/DEC (2000)
09:55:31.94 +69:09:14.70
148.883083 +69.154083
Type
---
Redshift
---
Source Group
XOSS
Discovery Date
2018-04-02 14:46:57
TNS AT
Y
Public
Y
Host Name
M81
Discovery Mag
20.4
Filter
Clear-
Discoverer/s
Zhijian Xu, Xing Gao
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2018-03-21 14:43:56 - 2018-04-02 14:46:572
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
266762018-04-02 14:46:5720.421.5VegaMagClear-Other_Other300Zhijian Xu, Xing Gao0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
266752018-03-21 14:43:5621.7VegaMagClear-Other_Other300Xing Gao[Last non detection]
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
176042018-04-02 15:18:05Zhijian XuZhijian Xu, Xing GaoXOSS09:55:31.94+69:09:14.702018-04-02 14:46:5720.4Clear-PNVXMr4ZXXOSSZhijian 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
FileFile TypeCommentsLast Modified (UT)Modified By
tns_2018apj_atrep_17604_XOSS.jpgGraphics2018-04-05 05:33:26Zhijian Xu
Classification Reportings
No Data

Comments