2025ahhs | Transient Name Server

RA/DEC (2000)

12:11:22.267 +38:05:14.13

182.842780923 +38.0872572299

Type

SN Ia

Redshift

0.08

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-12-12 12:47:05.003

TNS AT

Y

Public

Y

Discovery Mag

20.7062

Filter

g-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
	22677	2025-12-21 11:16:23	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2025ahhs_2025-12-21_11-16-23.326409_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

2025-12-19 03:34:33 - 2025-12-19 03:34:33

2461028.64899 - 2461028.64899

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
540579	2025-12-19 03:34:33	2461028.64899	18.859	0.197	19.83	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

r-WFST

WFST_WFST-WFC

2025-12-30 18:33:07 - 2025-12-30 18:33:07

2461040.273 - 2461040.273

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
568020	2025-12-30 18:33:07	2461040.273	18.32	0.02		ABMag	r-WFST	WFST_WFST-WFC	30

L-GOTO

GOTO-N_GOTO-2

2025-12-11 04:16:30 - 2025-12-19 03:43:39

2461020.678134 - 2461028.655309

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
540690	2025-12-19 03:43:39	2461028.655309	19.06	0.11		ABMag	L-GOTO	GOTO-N_GOTO-2	180
540689	2025-12-11 04:16:30	2461020.678134			19.5	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

y-P1

PS2_GPC2

2026-01-19 16:21:22 - 2026-01-19 16:21:22

2461060.1815 - 2461060.1815

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
593499	2026-01-19 16:21:22	2461060.1815	19.41	0.27	18.3	ABMag	y-P1	PS2_GPC2	120	Robot

r-ZTF

P48_ZTF-Cam

2025-12-12 11:24:49 - 2025-12-17 12:09:50

2461021.9755671 - 2461027.0068287

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
539781	2025-12-17 12:09:50	2461027.0068287	19.5468	0.112269		ABMag	r-ZTF	P48_ZTF-Cam
539779	2025-12-12 11:24:49	2461021.9755671			20.4102	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-12-12 12:47:05 - 2025-12-12 12:47:05

2461022.0326968 - 2461022.0326968

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
539780	2025-12-12 12:47:05	2461022.0326968	20.7062	0.192496		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-12-17 12:49:57 - 2025-12-17 12:49:57

2461027.03469 - 2461027.03469

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
540578	2025-12-17 12:49:57	2461027.03469			18.99	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
309405	2026-06-21 16:01:57	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	12:11:22.267	+38:05:14.13	2026-01-19 16:21:21.600	19.41	y-P1		PSN		PS26cgj	Pan-STARRS				N
296249	2026-03-20 10:31:55	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	12:11:22.270	+38:05:14.17	2025-12-30 18:33:07.200	18.32	r-WFST		PSN		WFST251230bifqm	WFST				N
281439	2025-12-19 10:46:11	GOTO_bot	D. O'Neill, G. Ramsay, K. Ackley et al.	GOTO	GOTO	12:11:22.249	+38:05:13.33	2025-12-19 03:43:38.784	19.06	L-GOTO		Other		GOTO25lzo	GOTO				N
281385	2025-12-19 09:14:40	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	12:11:22.259	+38:05:14.48	2025-12-19 03:34:32.736	18.859	wide-ATLAS		PSN		ATLAS25pxh	ATLAS				N
281025	2025-12-17 16:42:37	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	12:11:22.282	+38:05:14.29	2025-12-12 12:47:05.003	20.7062	g-ZTF		PSN		ZTF25aciomvg	ZTF			2025TNSTR5016....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

22676

2025-12-22 17:24:07

ZTF_Bot1

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

ZTF

SN Ia

0.08

1

ZTF

2025TNSCR5136....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
22677	2025-12-21 11:16:23	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2025ahhs_2025-12-21_11-16-23.326409_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 309405 of Group Pan-STARRS
Previous RA, DEC: 12:11:22.282, +38:05:14.29 (182.8428428, +38.087303)
Updated RA, DEC: 12:11:22.267, +38:05:14.13 (182.842780923, +38.0872572299)

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