2025agll | Transient Name Server

RA/DEC (2000)

07:54:48.251 +53:11:35.52

118.701047196 +53.1932012985

Type

SN Ia

Redshift

0.05051

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-12-11 08:48:20.998

TNS AT

Y

Public

Y

Host Name

LEDA 2434293

Host Redshift

0.05051

Discovery Mag

19.4174

Filter

g-ZTF

Reporter/s

A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, J. Correa-Orellana, H. Kumar, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

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
	22575	2025-12-13 09:43:32	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025agll_2025-12-13_09-43-32.213047_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

2025-12-08 18:50:24 - 2025-12-08 18:50:24

2461018.285 - 2461018.285

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
567701	2025-12-08 18:50:24	2461018.285	19.81	0.05		ABMag	r-WFST	WFST_WFST-WFC	30

g-WFST

WFST_WFST-WFC

2025-12-04 18:14:24 - 2025-12-04 18:14:24

2461014.26 - 2461014.26

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
567700	2025-12-04 18:14:24	2461014.26			20.82	ABMag	g-WFST	WFST_WFST-WFC	30		[Last non detection]

Clear-

LAST_LAST-Cam

2025-11-27 21:09:51 - 2025-12-17 21:10:43

2461007.38184 - 2461027.38244

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
539981	2025-12-17 21:10:43	2461027.38244	19.38			ABMag	Clear-	LAST_LAST-Cam	400
539980	2025-11-27 21:09:51	2461007.38184			20.1	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-12-09 01:51:33 - 2026-01-20 20:58:28

2461018.577471 - 2461061.373931

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
552255	2026-01-20 20:58:28	2461061.373931	20.19	0.2		ABMag	L-GOTO	GOTO-N_GOTO-2	360
552254	2025-12-09 01:51:33	2461018.577471			19.4	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

w-P1

PS2_GPC2

2025-12-09 14:27:09 - 2025-12-09 14:27:09

2461019.10219 - 2461019.10219

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
545562	2025-12-09 14:27:09	2461019.10219	19.52	0.04	22	ABMag	w-P1	PS2_GPC2	45	Robot

g-ZTF

P48_ZTF-Cam

2025-12-07 09:11:08 - 2025-12-11 08:48:21

2461016.8827315 - 2461020.8669097

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
537791	2025-12-11 08:48:21	2461020.8669097	19.4174	0.137763	20.1409	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
537790	2025-12-07 09:11:08	2461016.8827315			18.9023	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-12-11 11:53:03 - 2025-12-11 11:53:03

2461020.99517 - 2461020.99517

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
538383	2025-12-11 11:53:03	2461020.99517			19.32	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-12-13 12:12:11 - 2025-12-13 12:12:11

2461023.00846 - 2461023.00846

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
538384	2025-12-13 12:12:11	2461023.00846	18.971	0.133	19.52	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	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
296053	2026-03-20 10:28:50	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	07:54:48.250	+53:11:35.58	2025-12-08 18:50:24.000	19.81	r-WFST		PSN		WFST251208bivkj	WFST				N
288146	2026-01-21 10:21:30	GOTO_bot	M. Pursiainen, K. Ackley, M. Dyer et al.	GOTO	GOTO	07:54:48.321	+53:11:35.60	2026-01-20 20:58:27.552	20.19	L-GOTO		PSN		GOTO26rx	GOTO				N
284317	2025-12-30 21:30:10	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	07:54:48.251	+53:11:35.52	2025-12-09 14:27:09.216	19.52	w-P1		PSN		PS25kvo	Pan-STARRS				N
281099	2025-12-18 08:21:06	LAST_Bot1	E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al.	LAST	LAST	07:54:48.256	+53:11:35.49	2025-12-17 21:10:42.816	19.38	Clear-		PSN			LAST				N
280354	2025-12-13 15:38:41	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	07:54:48.201	+53:11:35.73	2025-12-13 12:12:10.944	18.971	orange-ATLAS		PSN		ATLAS25pom	ATLAS				N
280125	2025-12-11 20:19:14	ALeRCE	A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al.	ALeRCE	ZTF	07:54:48.243	+53:11:35.56	2025-12-11 08:48:20.998	19.4174	g-ZTF		PSN	LEDA 2434293	ZTF25acgqfpv	ZTF		Early SN candidate (g-rise > 0.13+-0.01 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF25acgqfpv	2025TNSTR4922....1M	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22574

2025-12-13 10:36:56

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

0.05051

1

ZTF

2025TNSCR4958....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
22575	2025-12-13 09:43:32	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025agll_2025-12-13_09-43-32.213047_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 284317 of Group Pan-STARRS
Previous RA, DEC: 07:54:48.243, +53:11:35.56 (118.7010123, +53.1932115)
Updated RA, DEC: 07:54:48.251, +53:11:35.52 (118.701047196, +53.1932012985)

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