2025vnx | Transient Name Server

RA/DEC (2000)

19:18:29.065 -25:17:03.03

289.62110296364 -25.284174909091

Type

SN Ia

Redshift

0.0395

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-08-23 06:09:09.002

TNS AT

Y

Public

Y

Discovery Mag

20.4524

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

▌

ATLAS-STH_ATLAS-03_orange

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

ATLAS-MLO_ATLAS-01_orange

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
	21989	2025-09-08 05:13:32	P60 / SEDM	2160	SEDmRobot	auto	ZTF	tns_2025vnx_2025-09-08_05-13-31.514862_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

orange-ATLAS

ATLAS-STH_ATLAS-03

2025-09-01 19:50:46 - 2025-09-01 19:50:46

2460920.32692 - 2460920.32692

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516026	2025-09-01 19:50:46	2460920.32692			18.83	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-08-23 06:07:48 - 2025-08-27 04:32:16

2460910.7554167 - 2460914.6890741

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
514595	2025-08-27 04:32:16	2460914.6890741	19.1483	0.102532	20.223	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
512664	2025-08-23 06:09:09	2460910.7563542	20.4524	0.201623		ABMag	r-ZTF	P48_ZTF-Cam
514594	2025-08-23 06:09:09	2460910.7563542			20.0463	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink
512663	2025-08-23 06:07:48	2460910.7554167			19.8313	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-08-27 05:13:14 - 2025-08-27 05:13:14

2460914.7175231 - 2460914.7175231

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
512665	2025-08-27 05:13:14	2460914.7175231	19.0947	0.125912		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-09-07 08:14:08 - 2025-09-07 08:14:08

2460925.84315 - 2460925.84315

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
516027	2025-09-07 08:14:08	2460925.84315	17.397	0.083	18.35	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
269484	2025-09-07 14:17:42	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	19:18:29.060	-25:17:02.91	2025-09-07 08:14:08.160	17.397	orange-ATLAS		PSN		ATLAS25lbo	ATLAS				N
268795	2025-08-31 18:18:46	Fink	Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker	Fink	ZTF	19:18:29.065	-25:17:03.03	2025-08-27 04:32:16.002	19.1483	r-ZTF		PSN		ZTF25abmhmbk	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abmhmbk		N
267812	2025-08-27 07:39:56	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	19:18:29.074	-25:17:03.16	2025-08-23 06:09:09.002	20.4524	r-ZTF		PSN		ZTF25abmhmbk	ZTF			2025TNSTR3397....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

21989

2025-09-08 16:35:14

ZTF_Bot1

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

ZTF

SN Ia

0.0395

1

ZTF

2025TNSCR3624....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
21989	2025-09-08 05:13:32	P60 / SEDM	2160	SEDmRobot	auto	ZTF	tns_2025vnx_2025-09-08_05-13-31.514862_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 268795 of Group ZTF
Previous RA, DEC: 19:18:29.074, -25:17:03.16 (289.621143, -25.2842116)
Updated RA, DEC: 19:18:29.065, -25:17:03.03 (289.62110296364, -25.284174909091)

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