2025zwm | Transient Name Server

RA/DEC (2000)

03:50:43.610 -02:27:08.49

57.6817093125 -2.4523585875

Type

SN Ia

Redshift

0.047

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-10-11 08:52:16.999

TNS AT

Y

Public

Y

Discovery Mag

19.1073

Filter

r-ZTF

Reporter/s

Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU), Theophile du Laz (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
	22233	2025-10-19 06:05:27	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025zwm_2025-10-19_06-05-26.597806_P60_SEDM_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

wide-ATLAS

ATLAS-TDO_ATLAS-05

2025-10-11 03:40:45 - 2025-10-12 01:46:18

2460959.6533 - 2460960.57382

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
524065	2025-10-12 01:46:18	2460960.57382	19.071	0.124	19.49	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot
524064	2025-10-11 03:40:45	2460959.6533			19.36	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot	[Last non detection]

Clear-

LAST_LAST-Cam

2025-10-11 02:28:54 - 2025-10-12 22:29:22

2460959.6034 - 2460961.43706

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
523370	2025-10-12 22:29:22	2460961.43706	19.09			ABMag	Clear-	LAST_LAST-Cam	400
523369	2025-10-11 02:28:54	2460959.6034			19.2	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-10-09 01:47:36 - 2025-10-12 05:11:34

2460957.574722 - 2460960.716373

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
523959	2025-10-12 05:11:34	2460960.716373	18.72	0.16		ABMag	L-GOTO	GOTO-N_GOTO-1	180
523958	2025-10-09 01:47:36	2460957.574722			18.3	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

BG-q-BlackGem

BG2_BlackGEM-Cam2

2025-10-07 06:36:07 - 2025-10-21 06:22:48

2460955.775081 - 2460969.7658333

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
525963	2025-10-21 06:22:48	2460969.7658333	17.73	0.04	20.44	ABMag	BG-q-BlackGem	BG2_BlackGEM-Cam2	60	robotic
525962	2025-10-07 06:36:07	2460955.775081			18.17	ABMag	BG-q-BlackGem	BG2_BlackGEM-Cam2	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-10-08 07:32:24 - 2025-10-11 08:52:17

2460956.8141667 - 2460959.8696412

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
522898	2025-10-11 08:52:17	2460959.8696412	19.1073	0.104036		ABMag	r-ZTF	P48_ZTF-Cam
526870	2025-10-11 08:52:17	2460959.8696412	19.1073	0.104036	19.8635	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
526869	2025-10-08 07:32:24	2460956.8141667			19.2935	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

g-ZTF

P48_ZTF-Cam

2025-10-08 10:27:03 - 2025-10-11 10:04:56

2460956.9354514 - 2460959.9200926

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
522899	2025-10-11 10:04:56	2460959.9200926	19.2153	0.121291		ABMag	g-ZTF	P48_ZTF-Cam
522897	2025-10-08 10:27:03	2460956.9354514			19.2604	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

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
274806	2025-10-25 18:14:55	Fink	Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al.	Fink	ZTF	03:50:43.610	-02:27:08.49	2025-10-11 08:52:17.000	19.1073	r-ZTF		PSN		ZTF25abwkmwj	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abwkmwj		N
274384	2025-10-23 10:07:05	BlackGEM_Bot1	H. Tranin,F. Stoppa,D. Pieterse et al.	BlackGEM	BlackGEM	03:50:43.607	-02:27:08.50	2025-10-21 06:22:48.000	17.73	BG-q-BlackGem		PSN		BGEM J035043.61-022708.5	BlackGEM				N
273466	2025-10-15 12:51:33	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	03:50:43.614	-02:27:08.40	2025-10-12 01:46:18.048	19.071	wide-ATLAS		PSN		ATLAS25msm	ATLAS				N
273413	2025-10-15 07:29:20	GOTO_bot	D. O'Neill,G. Ramsay,K. Ackley et al.	GOTO	GOTO	03:50:43.600	-02:27:08.27	2025-10-12 05:11:34.368	18.72	L-GOTO		Other		GOTO25iou	GOTO				N
273111	2025-10-12 23:22:55	LAST_Bot1	R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al.	LAST	LAST	03:50:43.620	-02:27:08.92	2025-10-12 22:29:21.984	19.09	Clear-		PSN			LAST				N
272832	2025-10-11 18:29:27	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	03:50:43.608	-02:27:08.53	2025-10-11 08:52:16.999	19.1073	r-ZTF		PSN		ZTF25abwkmwj	ZTF			2025TNSTR4073....1S	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22233

2025-10-19 07:00:05

ZTF_Bot1

C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore

ZTF

SN Ia

0.047

1

ZTF

2025TNSCR4194....1F

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
22233	2025-10-19 06:05:27	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025zwm_2025-10-19_06-05-26.597806_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 274806 of Group ZTF
Previous RA, DEC: 03:50:43.608, -02:27:08.53 (57.6817003, -2.4523689)
Updated RA, DEC: 03:50:43.610, -02:27:08.49 (57.6817093125, -2.4523585875)

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