2025agyo | Transient Name Server

RA/DEC (2000)

08:27:52.073 +36:55:18.92

126.96697172 +36.9219228688

Type

SN Ia

Redshift

0.0657

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-12-11 10:38:43.998

TNS AT

Y

Public

Y

Discovery Mag

20.4146

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
	22620	2025-12-17 05:17:15	NOT / ALFOSC		Jesper Sollerman, Avinash Singh	Avinash Singh	ZTF	tns_2025agyo_2025-12-17_05-17-14.922000_NOT_ALFOSC_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

r-WFST

WFST_WFST-WFC

2025-12-04 17:42:43 - 2025-12-04 17:42:43

2461014.238 - 2461014.238

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
567622	2025-12-04 17:42:43	2461014.238			20.73	ABMag	r-WFST	WFST_WFST-WFC	30		[Last non detection]

g-WFST

WFST_WFST-WFC

2025-12-13 17:54:14 - 2025-12-13 17:54:14

2461023.246 - 2461023.246

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
567623	2025-12-13 17:54:14	2461023.246	20.23	0.03		ABMag	g-WFST	WFST_WFST-WFC	30

L-GOTO

GOTO-N_GOTO-2

2025-12-11 03:47:55 - 2025-12-20 03:11:14

2461020.65828 - 2461029.632797

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
541159	2025-12-20 03:11:14	2461029.632797	18.49	0.05		ABMag	L-GOTO	GOTO-N_GOTO-2	180
541158	2025-12-11 03:47:55	2461020.65828			19	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

w-P1

PS2_GPC2

2026-01-16 10:02:09 - 2026-01-16 10:02:09

2461056.91816 - 2461056.91816

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
551044	2026-01-16 10:02:09	2461056.91816	19.04	0.06	22	ABMag	w-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2025-12-11 10:38:44 - 2025-12-15 09:27:07

2461020.9435648 - 2461024.893831

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
539014	2025-12-15 09:27:07	2461024.893831	19.741	0.126723		ABMag	r-ZTF	P48_ZTF-Cam
539013	2025-12-11 10:38:44	2461020.9435648	20.4146	0.185456		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-12-11 08:58:52 - 2025-12-11 08:58:52

2461020.874213 - 2461020.874213

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
539012	2025-12-11 08:58:52	2461020.874213			20.1172	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-12-12 14:18:30 - 2025-12-17 12:12:00

2461022.09618 - 2461027.00833

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
539597	2025-12-17 12:12:00	2461027.00833	19.003	0.13	19.48	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
539596	2025-12-12 14:18:30	2461022.09618			19.38	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[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
295999	2026-03-20 10:28:50	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	08:27:52.070	+36:55:18.92	2025-12-13 17:54:14.400	20.23	g-WFST		PSN		WFST251213aqdkd	WFST				N
287658	2026-01-17 21:21:37	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	08:27:52.073	+36:55:18.92	2026-01-16 10:02:09.024	19.04	w-P1		PSN		PS26hk	Pan-STARRS				N
281652	2025-12-20 21:22:41	GOTO_bot	D. O'Neill, G. Ramsay, K. Ackley et al.	GOTO	GOTO	08:27:52.066	+36:55:19.08	2025-12-20 03:11:13.920	18.49	L-GOTO		Other		GOTO25mde	GOTO				N
280936	2025-12-17 14:10:38	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	08:27:52.040	+36:55:18.59	2025-12-17 12:11:59.712	19.003	orange-ATLAS		PSN		ATLAS25pvb	ATLAS				N
280675	2025-12-15 09:43:02	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	08:27:52.060	+36:55:18.88	2025-12-11 10:38:43.998	20.4146	r-ZTF		PSN		ZTF25achiqqs	ZTF			2025TNSTR4992....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

22619

2025-12-17 23:18:04

ZTF_Bot1

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

ZTF

SN Ia

0.0657

1

ZTF

2025TNSCR5023....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
22620	2025-12-17 05:17:15	NOT / ALFOSC		Jesper Sollerman, Avinash Singh	Avinash Singh	ZTF	tns_2025agyo_2025-12-17_05-17-14.922000_NOT_ALFOSC_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 287658 of Group Pan-STARRS
Previous RA, DEC: 08:27:52.060, +36:55:18.88 (126.9669158, +36.9219124)
Updated RA, DEC: 08:27:52.073, +36:55:18.92 (126.96697172, +36.9219228688)

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