AT 2018akh
RA/DEC (2000)
09:55:13.400 +69:00:47.80
148.805833 +69.013278
Type
---
Redshift
Source Group
XOSS
Discovery Date
2018-03-20 16:53:10
TNS AT
Y
Public
Y
Host Name
M81
Discovery Mag
21.2
Filter
Clear-
Discoverer/s
Zhijian Xu, Xing Gao
Spectra
No Data
Light Curves
FilterTel / InstObs-date rangePhotometry
Clear-Other_Other2018-03-12 14:24:54 - 2018-03-21 14:33:563
Photometry
IDObs-dateMag. / FluxErrLim. Mag./FluxUnitsFilterTel / InstExp-timeObserver/sRemarks
263912018-03-21 14:33:5621.121.7VegaMagClear-Other_Other300Zhijian Xu, Xing Gao0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
263902018-03-20 16:53:1021.221.7VegaMagClear-Other_Other300Zhijian Xu, Xing Gao0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
263892018-03-12 14:24:5421.5VegaMagClear-Other_Other300Xing Gao[Last non detection] 0.6-m f/8 Ritchey-Chretien telescope + unfiltered CCD.
AT Reportings
IDTime received (UT)SenderReporter/s (Discoverer/s)GroupRADECDiscovery date (UT)Discovery Mag.FilterRelated filesAT TypeInternal nameAssoc. GroupsEnd prop. periodRemarks
174472018-03-21 15:18:07Zhijian XuZhijian Xu, Xing GaoXOSS09:55:13.400+69:00:47.802018-03-20 16:53:1021.2Clear-PNVXMr3ZXXOSSZhijian Xu and Xing Gao report the discovery of a possible nova in M81. The transient is approximately Mag. 21.2 on severl 300-s survey images (limiting mag about 21.7) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 20.70358 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=09h55m13.40s +69d00'47".8 (equinox 2000.0). Which is about 106.0" west and 187.2" south of the center of the M81. Nothing is visible at this position on archival images taken on Mar 12.60063 (limiting mag 21.5). NET UCAC-4 XMr3ZX KC2018 03 20.70358 09 55 13.40 +69 00 47.8 21.2 V C42. All images can be seen from: http://www.xjltp.com/XOSS/XMr3ZX/XMr3ZX.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_2018akh_atrep_17447_XOSS.jpgGraphics2018-03-21 15:53:43Zhijian Xu
Classification Reportings
No Data