2025xte | Transient Name Server

RA/DEC (2000)

03:09:21.180 +25:28:57.60

47.3382498283 +25.4826672231

Type

SN Ia

Redshift

0.069

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-09-14 11:43:42.004

TNS AT

Y

Public

Y

Host Name

WISEA J030921.44+252858.3

Discovery Mag

20.4969

Filter

r-ZTF

Reporter/s

A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, 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
	22151	2025-10-03 11:32:19	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025xte_2025-10-03_11-32-18.705678_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

2025-09-21 02:36:55 - 2025-09-21 02:36:55

2460939.60897 - 2460939.60897

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
519217	2025-09-21 02:36:55	2460939.60897			19.05	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot	[Last non detection]

Clear-

LAST_LAST-Cam

2025-09-16 02:17:59 - 2025-09-17 02:04:12

2460934.59582 - 2460935.58625

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
517897	2025-09-17 02:04:12	2460935.58625	20.29			ABMag	Clear-	LAST_LAST-Cam	400
517896	2025-09-16 02:17:59	2460934.59582			20.43	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-08-23 02:34:45 - 2025-09-23 01:02:19

2460910.607459 - 2460941.543272

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
519298	2025-09-23 01:02:19	2460941.543272	18.84	0.06		ABMag	L-GOTO	GOTO-N_GOTO-2	360
519297	2025-08-23 02:34:45	2460910.607459			19.3	ABMag	L-GOTO	GOTO-N_GOTO-2	360		[Last non detection]

w-P1

PS2_GPC2

2025-11-28 07:33:33 - 2025-11-28 07:33:33

2461007.81497 - 2461007.81497

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
546856	2025-11-28 07:33:33	2461007.81497	20.66	0.05	22	ABMag	w-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2025-09-14 11:43:42 - 2025-09-16 12:04:10

2460932.9886806 - 2460935.0028935

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
517867	2025-09-16 12:04:10	2460935.0028935	20.1949	0.147445	20.661	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
517865	2025-09-14 11:43:42	2460932.9886806	20.4969	0.246276	20.2972	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2025-09-14 09:38:02 - 2025-09-16 09:37:23

2460932.901412 - 2460934.9009606

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
517866	2025-09-16 09:37:23	2460934.9009606	20.3868	0.253097	20.5776	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
517864	2025-09-14 09:38:02	2460932.901412			20.2086	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-09-22 11:39:43 - 2025-09-22 11:39:43

2460940.98591 - 2460940.98591

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
519218	2025-09-22 11:39:43	2460940.98591	19.051	0.169	19.38	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
285531	2026-01-01 21:47:42	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	03:09:21.180	+25:28:57.60	2025-11-28 07:33:33.408	20.66	w-P1		PSN		PS25mkx	Pan-STARRS				N
271013	2025-09-23 09:08:28	GOTO_bot	G. Ramsay, B. Gompertz, K. Ackley et al.	GOTO	GOTO	03:09:21.157	+25:28:57.40	2025-09-23 01:02:18.528	18.84	L-GOTO		Other		GOTO25hmu	GOTO				N
270974	2025-09-22 23:01:14	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	03:09:21.163	+25:28:57.35	2025-09-22 11:39:42.624	19.051	orange-ATLAS		PSN		ATLAS25luy	ATLAS				N
270385	2025-09-17 03:03:31	LAST_Bot1	R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al.	LAST	LAST	03:09:21.226	+25:28:58.10	2025-09-17 02:04:12.000	20.29	Clear-		PSN			LAST				N
270370	2025-09-16 19:51:18	ALeRCE	A. Munoz-Arancibia, G. Pignata, F.E. Bauer et al.	ALeRCE	ZTF	03:09:21.188	+25:28:57.62	2025-09-14 11:43:42.004	20.4969	r-ZTF		PSN	WISEA J030921.44+252858.3	ZTF25abqxnbr	ZTF		SN candidate 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/ZTF25abqxnbr	2025TNSTR3716....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

22151

2025-10-03 12:25:34

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

0.069

1

ZTF

2025TNSCR3990....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
22151	2025-10-03 11:32:19	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025xte_2025-10-03_11-32-18.705678_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 285531 of Group Pan-STARRS
Previous RA, DEC: 03:09:21.188, +25:28:57.62 (47.338283300008, +25.482672738118)
Updated RA, DEC: 03:09:21.180, +25:28:57.60 (47.3382498283, +25.4826672231)

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