RA/DEC (2000)
00:42:40.670 +41:11:08.00
10.669458 +41.185556
Type
---
Redshift
Discovery Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2018-12-03 14:16:27.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.7
Filter
Clear-
Reporter/s
Mi Zhang, 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 2018-12-01 17:16:12 - 2018-12-23 13:25:14 2458454.2195833 - 2458476.0591898 4
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
47975 2018-12-23 13:25:14 2458476.0591898 18.1 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
47976 2018-12-22 12:05:52 2458475.0040741 17.9 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
44698 2018-12-03 14:16:27 2458456.0947569 18.7 20 VegaMag Clear- Other_Other 300 Mi Zhang, Xing Gao using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
47974 2018-12-01 17:16:12 2458454.2195833 20 VegaMag Clear- Other_Other 300 Mi Zhang and Xing Gao [Last non detection] using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ).
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
27098 2018-12-24 03:58:55 Mi Zhang Mi Zhang and Xing Gao XOSS XOSS 00:42:40.670 +41:11:08.00 2018-12-23 13:25:14.000 18.1 Clear- PNV M31 XM04MZ XOSS using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). N
25804 2018-12-03 15:13:31 Mi Zhang Mi Zhang, Xing Gao XOSS XOSS 00:42:40.650 +41:11:08.00 2018-12-03 14:16:27.000 18.7 Clear- 1 PNV M31 XM04MZ XOSS Mi Zhang and Xing Gao, report the discovery of a possible nova (mag approximately 18.7) on severl 300-s survey images (limiting mag about 20.0) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Dec. 03.59476 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m40.65s +41d11'08".0 (equinox 2000.0). Which is about 41.4" west and 300.5" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Dec. 01.71958 UT(limiting mag 19.5). 2018TNSTR2050....1Z N
Related files
File Comments Last Modified (UT) Modified By
tns_2018jib_atrep_25804_XOSS.png 2018-12-03 15:43:33 Mi Zhang
No Data

Comments

TNS
System

Sun, 06/23/2019 - 10:43

Object coordinates updated

Object coordinates updated according to AT-report 27098 of Group XOSS
Previous RA, DEC: 00:42:40.650, +41:11:08.00 (10.669375, +41.185556)
Updated RA, DEC: 00:42:40.670, +41:11:08.00 (10.669458, 41.185556)