2021ypn | Transient Name Server

RA/DEC (2000)

00:42:42.970 +41:17:57.40

10.679042 +41.299278

Type

---

Redshift

Reporting Group

XOSS

Discovering Data Source

XOSS

Discovery Date

2021-09-11 14:26:12.192

TNS AT

Public

Host Name

M31

Discovery Mag

Filter

Clear-

Reporter/s

Mi Zhang, Chunpeng Bi, Shuai Huang, Xing Gao (Xingming Observatory)

Light curves

▌

Other_Other_Clear

Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)

Spectra

No Data

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

Clear-

Other_Other

2021-09-08 22:39:59 - 2021-09-11 14:26:12

2459466.44443 - 2459469.10153

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
241090	2021-09-11 14:26:12	2459469.10153	17		20.5	VegaMag	Clear-	Other_Other	300	Xing Gao	using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope).
241242	2021-09-11 01:18:28	2459468.55449	18.9	0.01	20	ABMag	Clear-	Other_Other	150	M. Kendurkar
241241	2021-09-10 01:08:42	2459467.54771			20	ABMag	Clear-	Other_Other	150	M.Kendurkar	[Last non detection]
241089	2021-09-08 22:39:59	2459466.44443			20.5	VegaMag	Clear-	Other_Other	300	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
123151	2021-09-11 17:53:59	Malhar Kendurkar	M. Kendurkar (PGAO,Canada),C. Raguenaud et al.	GSNST	GSNST	00:42:42.900	+41:17:57.40	2021-09-11 01:18:27.936	18.9	Clear-		PNV	M31	GSNST-21ca	GSNST		Visible in three epochs, possible nova in M31		N
123101	2021-09-11 16:27:05	Mi Zhang	Mi Zhang,Chunpeng Bi,Shuai Huang et al.	XOSS	XOSS	00:42:42.970	+41:17:57.40	2021-09-11 14:26:12.192	17	Clear-		PNV	M31	PSP21H	XOSS		Mi Zhang, Chunpeng Bi, Shuai Huang, Xing Gao (Xingming Observatory), report the discovery of a possible nova (mag approximately 17.0 on several 300-s survey image (limiting mag about 20.5) taken by Xing Gao at Xingming Observatory #3 (N88) around Sep. 11.60153 UTC using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). The transient approximately located at R.A.=00h42m42.97s +41d17’57”.4 (equinox 2000.0). Which is about 15.2" west and 108.9" north of the center of the NGC224(M31). Nothing is visible at this position on archival images taken on Sep. 08.94443 (limiting mag 18.5) . Images can be found at: http://xjltp.china-vo.org/psp21h.html	2021TNSTR3145....1Z	N

Classification Reports

No Data