2025acgk | Transient Name Server

RA/DEC (2000)

02:07:09.804 -09:01:30.77

31.7908492375 -9.0252136083

Type

SN Ia

Redshift

0.04

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-11-02 06:51:50.002

TNS AT

Y

Public

Y

Discovery Mag

19.9848

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
	22385	2025-11-06 09:22:19	P60 / SEDM	2700	SEDmRobot	jpurdum	ZTF	tns_2025acgk_2025-11-06_09-22-18.541873_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

L-GOTO

GOTO-S_GOTO-3

2025-11-02 11:43:00 - 2025-11-02 11:43:00

2460981.988188 - 2460981.988188

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
529603	2025-11-02 11:43:00	2460981.988188			19.1	ABMag	L-GOTO	GOTO-S_GOTO-3	180		[Last non detection]

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-11-08 04:25:41 - 2025-11-08 04:25:41

2460987.6845 - 2460987.6845

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
529675	2025-11-08 04:25:41	2460987.6845	18.322	0.154	18.72	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

L-GOTO

GOTO-N_GOTO-1

2025-11-05 23:02:56 - 2025-11-05 23:02:56

2460985.460371 - 2460985.460371

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
529604	2025-11-05 23:02:56	2460985.460371	18.7	0.17		ABMag	L-GOTO	GOTO-N_GOTO-1	180

r-ZTF

P48_ZTF-Cam

2025-11-02 06:51:50 - 2025-11-04 08:09:49

2460981.7859954 - 2460983.8401505

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
528737	2025-11-04 08:09:49	2460983.8401505	19.285	0.162208		ABMag	r-ZTF	P48_ZTF-Cam
528736	2025-11-02 06:51:50	2460981.7859954	19.9848	0.184878		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-11-02 06:29:59 - 2025-11-02 06:29:59

2460981.7708218 - 2460981.7708218

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
528735	2025-11-02 06:29:59	2460981.7708218			19.9792	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-11-07 10:44:28 - 2025-11-07 10:44:28

2460986.94755 - 2460986.94755

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
529674	2025-11-07 10:44:28	2460986.94755			18.86	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

i-P1

PS1_GPC1

2025-12-04 08:22:14 - 2025-12-04 08:22:14

2461013.84877 - 2461013.84877

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
539254	2025-12-04 08:22:14	2461013.84877	18.44	0.06	20.7	ABMag	i-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
280784	2025-12-15 18:20:22	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	02:07:09.804	-09:01:30.77	2025-12-04 08:22:13.728	18.44	i-P1		PSN		PS25iqf	Pan-STARRS				N
276050	2025-11-08 17:13:00	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	02:07:09.810	-09:01:30.44	2025-11-08 04:25:40.800	18.322	orange-ATLAS		PSN		ATLAS25nxw	ATLAS				N
276022	2025-11-08 10:24:51	GOTO_bot	D. O'Neill,G. Ramsay,K. Ackley et al.	GOTO	GOTO	02:07:09.789	-09:01:30.79	2025-11-05 23:02:55.968	18.7	L-GOTO		Other		GOTO25jqe	GOTO				N
275622	2025-11-04 10:18:54	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	02:07:09.813	-09:01:30.73	2025-11-02 06:51:50.002	19.9848	r-ZTF		PSN		ZTF25accsisb	ZTF			2025TNSTR4439....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

22384

2025-11-10 07:48:01

ZTF_Bot1

J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN Ia

0.04

1

ZTF

2025TNSCR4523....1S

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
22385	2025-11-06 09:22:19	P60 / SEDM	2700	SEDmRobot	jpurdum	ZTF	tns_2025acgk_2025-11-06_09-22-18.541873_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 280784 of Group Pan-STARRS
Previous RA, DEC: 02:07:09.813, -09:01:30.73 (31.7908862, -9.025204)
Updated RA, DEC: 02:07:09.804, -09:01:30.77 (31.7908492375, -9.0252136083)

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