2025uam | Transient Name Server

RA/DEC (2000)

07:47:55.594 +34:02:06.94

116.981640347 +34.0352623415

Type

SN II

Redshift

0.0154

Discovery Report Classification Report

Related AstroNotes: DRAFT-2349, 2025-332

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-08-16 12:14:49.997

TNS AT

Y

Public

Y

Discovery Mag

18.2433

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
	22494	2025-11-21 00:00:00	FLWO-1.5m / FAST	1500	Gilbert Esquerdo, Perry Berlind	S. Karthik Yadavalli, Harsh Kumar	VHU-TDA	tns_2025uam_2025-11-21_FLWO-1.5m_FAST_VHU-TDA.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
	21937	2025-08-31 11:49:32	P60 / SEDM	2160	SEDmRobot	auto	ZTF	tns_2025uam_2025-08-31_11-49-32.233015_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

2025-09-14 04:44:16 - 2025-09-14 04:44:16

2460932.69741 - 2460932.69741

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516914	2025-09-14 04:44:16	2460932.69741	18.178	0.083	18.95	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

L-GOTO

GOTO-N_GOTO-2

2025-05-15 21:15:05 - 2025-09-14 05:08:12

2460811.385471 - 2460932.714025

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516993	2025-09-14 05:08:12	2460932.714025	18.29	0.14		ABMag	L-GOTO	GOTO-N_GOTO-2	180
516992	2025-05-15 21:15:05	2460811.385471			19.4	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

y-P1

PS2_GPC2

2025-09-10 15:04:18 - 2025-09-10 15:04:18

2460929.12799 - 2460929.12799

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516787	2025-09-10 15:04:18	2460929.12799	17.96	0.03	18.3	ABMag	y-P1	PS2_GPC2	120	Robot

r-ZTF

P48_ZTF-Cam

2025-08-14 12:19:19 - 2025-08-16 12:14:50

2460902.0134144 - 2460904.0103009

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
509227	2025-08-16 12:14:50	2460904.0103009	18.2433	0.148603		ABMag	r-ZTF	P48_ZTF-Cam
509226	2025-08-14 12:19:19	2460902.0134144			18.0131	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-09-11 15:23:29 - 2025-09-11 15:23:29

2460930.14131 - 2460930.14131

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516913	2025-09-11 15:23:29	2460930.14131			16.99	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
269966	2025-09-14 15:40:53	GOTO_bot	G. Ramsay,D. O'Neill,K. Ackley et al.	GOTO	GOTO	07:47:55.623	+34:02:07.20	2025-09-14 05:08:12.192	18.29	L-GOTO		Other		GOTO25gzq	GOTO				N
269929	2025-09-14 11:44:34	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	07:47:55.597	+34:02:07.25	2025-09-14 04:44:16.224	18.178	wide-ATLAS		PSN		ATLAS25lfz	ATLAS				N
269878	2025-09-14 00:03:54	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	07:47:55.594	+34:02:06.94	2025-09-10 15:04:18.336	17.96	y-P1		PSN		PS25hls	Pan-STARRS				N
266036	2025-08-16 14:19:54	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	07:47:55.560	+34:02:07.27	2025-08-16 12:14:49.997	18.2433	r-ZTF		PSN		ZTF25abjecux	ZTF			2025TNSTR3231....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

22493

2025-12-02 01:18:29

VHU-TDA

Anya Nugent, Yize Dong, V. Ashley Villar, S. Karthik Yadavalli, Alex Gagliano, Kaylee de Soto, Danielle Frostig, Harsh Kumar, Peter Blanchard

VHU-TDA

SN II

0.0154

1

1

VHU-TDA

Redshift from host lines

2025TNSCR4809....1N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2025uam_atrep_22493_VHU-TDA.png	Either a SNIIP or SNIIn-pec from SNID-SAGE	2025-12-02 01:18:33	VHU-TDA

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
22494	2025-11-21 00:00:00	FLWO-1.5m / FAST	1500	Gilbert Esquerdo, Perry Berlind	S. Karthik Yadavalli, Harsh Kumar	VHU-TDA	tns_2025uam_2025-11-21_FLWO-1.5m_FAST_VHU-TDA.ascii		Object

21937

2025-08-31 13:07:37

ZTF_Bot1

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

ZTF

SN II

0.015816

1

ZTF

2025TNSCR3488....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
21937	2025-08-31 11:49:32	P60 / SEDM	2160	SEDmRobot	auto	ZTF	tns_2025uam_2025-08-31_11-49-32.233015_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 269878 of Group Pan-STARRS
Previous RA, DEC: 07:47:55.560, +34:02:07.27 (116.981502, +34.0353528)
Updated RA, DEC: 07:47:55.594, +34:02:06.94 (116.981640347, +34.0352623415)

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