2025ajng | Transient Name Server

RA/DEC (2000)

14:37:48.610 +15:51:02.59

219.452542043 +15.8507202089

Type

SN Ia

Redshift

0.037

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-12-28 12:08:23.997

TNS AT

Y

Public

Y

Discovery Mag

18.8267

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
	22728	2026-01-03 21:31:34	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2025ajng_2026-01-03_21-31-33.503_Lijiang-2.4m_YFOSC_LiONS.dat		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

2025-12-31 05:46:29 - 2025-12-31 05:46:29

2461040.74061 - 2461040.74061

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547017	2025-12-31 05:46:29	2461040.74061			19.8	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-12-18 06:49:46 - 2025-12-18 06:49:46

2461027.784563 - 2461027.784563

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547977	2025-12-18 06:49:46	2461027.784563			19.3	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

i-P1

PS2_GPC2

2026-01-02 15:15:41 - 2026-01-02 15:15:41

2461043.13589 - 2461043.13589

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547108	2026-01-02 15:15:41	2461043.13589	17.59	0.02	20.7	ABMag	i-P1	PS2_GPC2	45	Robot

L-GOTO

GOTO-N_GOTO-1

2026-01-09 06:06:54 - 2026-01-09 06:06:54

2461049.754795 - 2461049.754795

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547978	2026-01-09 06:06:54	2461049.754795	16.7	0.02		ABMag	L-GOTO	GOTO-N_GOTO-1	180

r-ZTF

P48_ZTF-Cam

2025-12-21 13:06:25 - 2025-12-21 13:06:25

2461031.0461227 - 2461031.0461227

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
544632	2025-12-21 13:06:25	2461031.0461227			20.6105	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-12-28 12:08:24 - 2025-12-29 13:06:23

2461038.0058333 - 2461039.0460995

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
544634	2025-12-29 13:06:23	2461039.0460995	18.3556	0.0835614		ABMag	g-ZTF	P48_ZTF-Cam
544633	2025-12-28 12:08:24	2461038.0058333	18.8267	0.0967172		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-01-02 14:36:04 - 2026-01-02 14:36:04

2461043.10838 - 2461043.10838

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
547018	2026-01-02 14:36:04	2461043.10838	17.381	0.084	18.73	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	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
286205	2026-01-09 17:44:59	GOTO_bot	D. O'Neill,K. Ackley,M. Dyer et al.	GOTO	GOTO	14:37:48.611	+15:51:02.38	2026-01-09 06:06:53.856	16.7	L-GOTO		Other		GOTO26cb	GOTO				N
285762	2026-01-05 21:27:53	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	14:37:48.610	+15:51:02.59	2026-01-02 15:15:40.896	17.59	i-P1		PSN		PS26u	Pan-STARRS				N
285687	2026-01-02 18:30:07	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland (IfA et al.	ATLAS	ATLAS	14:37:48.622	+15:51:02.76	2026-01-02 14:36:04.032	17.381	orange-ATLAS		PSN		ATLAS26aam	ATLAS				N
283525	2025-12-29 14:25:14	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	14:37:48.628	+15:51:02.68	2025-12-28 12:08:23.997	18.8267	g-ZTF		PSN		ZTF25acldgpg	ZTF			2025TNSTR5215....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

22727

2026-01-04 05:18:05

Liping Li

Liping Li, Zeyi Wang, Qian Zhai, Bo Wang, Jujia Zhang (YNAO); Xiaofeng Wang(THU)

LiONS

SN Ia

0.037

1

LiONS

The spectrum matches that of an SN Ia at a week before maximum (e.g., SN 2006gr at -7 days via SNID). The redshift (z ~ 0.037) is obtained from NED.

2026TNSCR..28....1L

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
22728	2026-01-03 21:31:34	Lijiang-2.4m / YFOSC		Jujia Zhang		LiONS	tns_2025ajng_2026-01-03_21-31-33.503_Lijiang-2.4m_YFOSC_LiONS.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 285762 of Group Pan-STARRS
Previous RA, DEC: 14:37:48.628, +15:51:02.68 (219.4526172, +15.8507446)
Updated RA, DEC: 14:37:48.610, +15:51:02.59 (219.452542043, +15.8507202089)

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