2025wsj | Transient Name Server

RA/DEC (2000)

21:20:07.926 -03:54:27.92

320.033024924 -3.90775641701

Type

SN II

Redshift

0.0296

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-08-24 07:37:18.998

TNS AT

Y

Public

Y

Discovery Mag

20.6887

Filter

r-ZTF

Reporter/s

Maggie Li (Caltech), Theophile Du Laz (Caltech), Daniel Perley (LJMU), Christoffer Fremling (Caltech) on behalf of ZTF

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

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

Spectra

Select	ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Assoc. Groups	End prop. period	Remarks
	21960	2025-09-03 06:34:53	P200 / NGPS		Kaustav Kashyap Das, Soumyadeep Bhattacharjee	Kaustav Kashyap Das	ZTF	tns_2025wsj_2025-09-03_06-34-53_P200_NGPS_ZTF.ascii		Object
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), 0 (observed) ▌Show H at z=v_exp= km/s ▌Show He at z=v_exp= km/s ▌Show He II at z=v_exp= km/s ▌Show C II at z=v_exp= km/s ▌Show C III at z=v_exp= km/s ▌Show C IV at z=v_exp= km/s ▌Show N II at z=v_exp= km/s ▌Show N III at z=v_exp= km/s ▌Show N IV at z=v_exp= km/s ▌Show N V at z=v_exp= km/s ▌Show O at z=v_exp= km/s ▌Show [O I] at z=v_exp= km/s ▌Show O II at z=v_exp= km/s ▌Show [O II] at z=v_exp= km/s ▌Show [O III] at z=v_exp= km/s ▌Show O V at z=v_exp= km/s ▌Show O VI at z=v_exp= km/s ▌Show Na at z=v_exp= km/s ▌Show Mg at z=v_exp= km/s ▌Show Mg II at z=v_exp= km/s ▌Show Si II at z=v_exp= km/s ▌Show S II at z=v_exp= km/s ▌Show Ca II at z=v_exp= km/s ▌Show [Ca II] at z=v_exp= km/s ▌Show Fe II at z=v_exp= km/s ▌Show Fe III at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Å at z=v_exp= km/s ▌Show Tellurics ▌Show Galaxy lines at z= ▌Show WR-WN at z=v_exp= km/s ▌Show WR-WC/O at z=v_exp= km/s Remarks

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

L-GOTO

GOTO-S_GOTO-3

2025-09-12 12:19:11 - 2025-09-12 12:19:11

2460931.01332 - 2460931.01332

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516910	2025-09-12 12:19:11	2460931.01332	19.54	0.16		ABMag	L-GOTO	GOTO-S_GOTO-3	180

L-GOTO

GOTO-N_GOTO-1

2025-09-11 00:12:40 - 2025-09-11 00:12:40

2460929.508801 - 2460929.508801

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516909	2025-09-11 00:12:40	2460929.508801			18.5	ABMag	L-GOTO	GOTO-N_GOTO-1	135		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-08-24 07:37:19 - 2025-09-02 08:39:58

2460911.817581 - 2460920.861088

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
515202	2025-09-02 08:39:58	2460920.861088	19.6424	0.136667		ABMag	r-ZTF	P48_ZTF-Cam
515201	2025-08-24 07:37:19	2460911.817581	20.6887	0.180741		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-08-24 06:05:46 - 2025-08-24 06:05:46

2460911.7540046 - 2460911.7540046

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
515200	2025-08-24 06:05:46	2460911.7540046			20.4619	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

w-P1

PS1_GPC1

2025-08-23 08:56:43 - 2025-08-23 08:56:43

2460910.87272 - 2460910.87272

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
544156	2025-08-23 08:56:43	2460910.87272	21.37	0.18	22	ABMag	w-P1	PS1_GPC1	45	Robot

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
283142	2025-12-28 18:49:02	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	21:20:07.926	-03:54:27.92	2025-08-23 08:56:43.008	21.37	w-P1		PSN		PS25jki	Pan-STARRS				N
269927	2025-09-14 11:43:07	GOTO_bot	G. Ramsay, K. Ackley, M. Dyer et al.	GOTO	GOTO	21:20:07.969	-03:54:27.81	2025-09-12 12:19:10.848	19.54	L-GOTO		Other		GOTO25gzc	GOTO				N
269116	2025-09-02 16:18:20	Fritz	Maggie Li (Caltech), Theophile Du Laz (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	21:20:07.938	-03:54:27.94	2025-08-24 07:37:18.998	20.6887	r-ZTF		PSN		ZTF25abnzksi	ZTF			2025TNSTR3524....1L	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21960

2025-09-03 17:45:46

ZTF_Bot1

K. Das, A. Mehla, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration

ZTF

SN II

0.0296

1

ZTF

2025TNSCR3547....1D

Spectra

ID	Obs-date (UT)	Tel / Inst	Exp-Time	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	Assoc. Groups	End prop. period	Remarks
21960	2025-09-03 06:34:53	P200 / NGPS		Kaustav Kashyap Das, Soumyadeep Bhattacharjee	Kaustav Kashyap Das	ZTF	tns_2025wsj_2025-09-03_06-34-53_P200_NGPS_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 283142 of Group Pan-STARRS
Previous RA, DEC: 21:20:07.938, -03:54:27.94 (320.0330744, -3.9077614)
Updated RA, DEC: 21:20:07.926, -03:54:27.92 (320.033024924, -3.90775641701)

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