RA/DEC (2000)
00:42:19.990 +41:13:22.50
10.583292 +41.222917
Type
---
Redshift
Discovery Report
Reporting Group
XOSS
Discovering Data Source
XOSS
Discovery Date
2019-03-13 13:54:59.000
TNS AT
Y
Public
Y
Host Name
M31
Discovery Mag
18.8
Filter
Clear-
Reporter/s
Jiangao Ruan and 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 2019-03-11 14:15:10 - 2019-03-13 13:54:59 2458554.0938657 - 2458556.0798495 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
55528 2019-03-13 13:54:59 2458556.0798495 18.8 20.5 VegaMag Clear- Other_Other 300 Jiangao Ruan and Xing Gao Jiangao Ruan and Xing Gao, report the discovery of a possible nova (mag approximately 18.8) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 13.57985 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope ). The transient approximately located at R.A.=00h42m19.99s +41d13'22".5 (equinox 2000.0). Which is about 274.3" west and 166" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Mar. 11.59387 (limiting mag 19.5).
55527 2019-03-11 14:15:10 2458554.0938657 19.5 VegaMag Clear- Other_Other 300 Jiangao Ruan 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
30724 2019-03-13 15:16:47 Mi Zhang Jiangao Ruan and Xing Gao XOSS XOSS 00:42:19.990 +41:13:22.50 2019-03-13 13:54:59.000 18.8 Clear- 1 PNV M31 XM363JR XOSS Jiangao Ruan and Xing Gao, report the discovery of a possible nova (mag approximately 18.8) on severl 300-s survey images (limiting mag about 20.5) taken by Xing Gao in Xingming Observatory Sky Survey(C42) around Mar. 13.57985 UT using a unfiltered CCD ( + 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m19.99s +41d13'22".5 (equinox 2000.0). Which is about 274.3" west and 166" south of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Mar. 11.59387 (limiting mag 19.5). 2019TNSTR.374....1G N
Related files
File Comments Last Modified (UT) Modified By
tns_2019bsd_atrep_30724_XOSS.png Discovery Image 2019-03-13 15:36:45 Mi Zhang
No Data

Comments

Nick
James

Wed, 03/20/2019 - 07:29

Transient has brightened to 15.1

The transient has brightened considerably since discovery. On 2018 March 18.821 it was magnitude 15.1 unfiltered (reference UCAC-4 R).

m31_20190318_1942_ndj.jpg