2025aghy | Transient Name Server

RA/DEC (2000)

09:32:45.234 +35:42:09.32

143.1884739 +35.7025876

Type

SN Ia

Redshift

0.074

Discovery Report Classification Report

Reporting Group

GOTO

Discovering Data Source

GOTO

Discovery Date

2025-12-11 01:29:41.856

TNS AT

Y

Public

Y

Discovery Mag

19.21

Filter

L-GOTO

Reporter/s

D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

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
	22606	2025-12-17 11:03:15	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025aghy_2025-12-17_11-03-14.644710_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

r-WFST

WFST_WFST-WFC

2025-12-14 19:50:53 - 2025-12-14 19:50:53

2461024.327 - 2461024.327

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
568664	2025-12-14 19:50:53	2461024.327	18.66	0.02		ABMag	r-WFST	WFST_WFST-WFC	30

L-GOTO

GOTO-N_GOTO-2

2025-12-07 02:32:07 - 2025-12-11 01:29:42

2461016.605639 - 2461020.562288

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
537447	2025-12-11 01:29:42	2461020.562288	19.21	0.16		ABMag	L-GOTO	GOTO-N_GOTO-2	180
537446	2025-12-07 02:32:07	2461016.605639			18.8	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-12-07 07:39:03 - 2025-12-07 07:39:03

2461016.8187847 - 2461016.8187847

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
537532	2025-12-07 07:39:03	2461016.8187847			18.8879	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-12-08 08:55:22 - 2025-12-11 10:05:34

2461017.8717824 - 2461020.9205324

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
537534	2025-12-11 10:05:34	2461020.9205324	18.9374	0.12802		ABMag	g-ZTF	P48_ZTF-Cam
537533	2025-12-08 08:55:22	2461017.8717824	19.3621	0.16933		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-12-11 13:12:19 - 2025-12-12 15:01:43

2461021.05022 - 2461022.12619

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
538237	2025-12-12 15:01:43	2461022.12619	19.264	0.185	19.43	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
538236	2025-12-11 13:12:19	2461021.05022			19.29	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
296688	2026-03-20 10:38:59	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	09:32:45.250	+35:42:08.96	2025-12-14 19:50:52.800	18.66	r-WFST		PSN		WFST251214brcbh	WFST				N
280291	2025-12-12 19:01:04	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	09:32:45.253	+35:42:08.83	2025-12-12 15:01:42.816	19.264	orange-ATLAS		PSN		ATLAS25pnq	ATLAS				N
280018	2025-12-11 10:27:46	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	09:32:45.234	+35:42:09.32	2025-12-08 08:55:21.999	19.3621	g-ZTF		PSN		ZTF25acglarj	ZTF				N
279986	2025-12-11 08:48:29	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	09:32:45.291	+35:42:09.12	2025-12-11 01:29:41.856	19.21	L-GOTO		Other		GOTO25lml	GOTO			2025TNSTR4924....1O	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22605

2025-12-17 11:56:27

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

0.074

1

ZTF

2025TNSCR5022....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
22606	2025-12-17 11:03:15	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025aghy_2025-12-17_11-03-14.644710_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 280018 of Group ZTF
Previous RA, DEC: 09:32:45.291, +35:42:09.12 (143.188711, +35.702534)
Updated RA, DEC: 09:32:45.234, +35:42:09.32 (143.1884739, +35.7025876)

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