RA/DEC (2000)
00:43:14.980 +41:20:49.80
10.812417 +41.347167
Type
---
Redshift
Discovery Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2017-07-19 21:04:36.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.4
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 2017-07-16 20:15:43 - 2017-07-19 21:04:36 2457951.3442477 - 2457954.3781944 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
18781 2017-07-19 21:04:36 2457954.3781944 18.4 19 VegaMag Clear- Other_Other 40 Zhijian Xu, Xing Gao Zhijian Xu(Nanjing, Jiangsu, China) and Xing Gao (Urumqi, Xinjiang, China) report the discovery of a possible nova in M31. The transient (mag approximately 18.4) on severl 40-s survey images (limiting mag about 19.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Jul. 19.87819 UT using a unfiltered CCD ( + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9 ). The new object approximately located at R.A.=00h43m14.98s +41d20'49".8 (equinox 2000.0). Which is about 345.7" east and 281.3" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Jul 16.84425 (limiting mag 19.0). All images can be seen from: http://www.xjltp.com/XOSS/XMd3ZX/XMd3ZX.htm.
18780 2017-07-16 20:15:43 2457951.3442477 19 VegaMag Clear- Other_Other 40 Zhijian Xu, Xing Gao [Last non detection] Using a unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm @f/6.9.
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
12677 2017-07-20 09:15:21 Zhijian Xu Zhijian Xu,Xing Gao et al. XOSS XOSS 00:43:14.980 +41:20:49.80 2017-07-19 21:04:36.000 18.4 Clear- 2 PNV M31 XMd3ZX XOSS 2017TNSTR.785....1X N
Related files
File Comments Last Modified (UT) Modified By
tns_2017fog_atrep_12677_XOSS.jpg 2017-07-22 02:45:38 Zhijian Xu
tns_2017fog_atrep_12677_XOSS_0.jpg COD C42 CON X.Gao,Urumqi No.1 Senior High School,XinJiang,China OBS Z.Xu, X.Gao MEA Z.Xu TEL 0.5-m f/4 reflector + CCD NET UCAC-4, KC2017 07 21.76583 00 43 15.01 +41 20 50.0 16.9 V C42 2017-07-22 02:45:38 Zhijian Xu
No Data

Comments