AT 2017fog | Transient Name Server

AT 2017fog

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

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Spectra

No Data

Light Curves

Filter

Tel / Inst

Obs-date range

Photometry

Clear-

Other_Other

2017-07-16 20:15:43 - 2017-07-19 21:04:36

2

Photometry

ID	Obs-date	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
18781	2017-07-19 21:04:36	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			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

Reportting group

Disc. Data Source

RA

DEC

Discovery date (UT)

Discovery Mag.

Filter

Related files

AT Type

Internal name

Assoc. Groups

End prop. period

Remarks

12677

2017-07-20 09:15:21

Zhijian Xu

Zhijian Xu, Xing Gao

XOSS

XOSS

00:43:14.980

+41:20:49.80

2017-07-19 21:04:36.000

18.4

Clear-

2

PNV

XMd3ZX

XOSS

Related files

File	File Type	Comments	Last Modified (UT)	Modified By
tns_2017fog_atrep_12677_XOSS.jpg	Graphics		2017-07-22 02:45:38	Zhijian Xu
tns_2017fog_atrep_12677_XOSS_0.jpg	Graphics	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

Classification Reports

No Data