2025vos | Transient Name Server

RA/DEC (2000)

15:40:35.184 +03:24:02.14

235.1466008 +3.4005933

Type

SN Ia

Redshift

0.085

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2025-08-26 20:34:40.224

TNS AT

Y

Public

Y

Discovery Mag

19.14

Filter

wide-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), M. R. Alarcón, J. Licandro, P. Nichita (IAC), S. J. Smartt, K. W. Smith (Oxford/QUB), D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, C. R. Angus, A. Wilson, A. Aamer, D. Magill (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle (Oxford), L. Rhodes (TSI/McGill), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. S. Sommer (LMU), B. P. Schmidt (ANU)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-TDO_ATLAS-05_wide

▌

GOTO-S_GOTO-4_L

▌

GOTO-N_GOTO-2_L

▌

P48_ZTF-Cam_r

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
	21922	2025-08-30 05:38:28	UH88 / SNIFS	1800	Desai		SCAT	tns_2025vos_2460917.73505_UH88_SNIFS_SCAT.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

2025-08-21 21:54:05 - 2025-08-26 20:34:40

2460909.41256 - 2460914.35741

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
512736	2025-08-26 20:34:40	2460914.35741	19.14	0.083	20.22	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	90	Robot
512735	2025-08-21 21:54:05	2460909.41256			19.23	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot	[Last non detection]

L-GOTO

GOTO-S_GOTO-4

2025-09-03 08:45:14 - 2025-09-03 08:45:14

2460921.86474 - 2460921.86474

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
515434	2025-09-03 08:45:14	2460921.86474	18.94	0.13		ABMag	L-GOTO	GOTO-S_GOTO-4	360

L-GOTO

GOTO-N_GOTO-2

2025-08-17 22:02:38 - 2025-08-17 22:02:38

2460905.418505 - 2460905.418505

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
515433	2025-08-17 22:02:38	2460905.418505			19	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-09-17 03:00:48 - 2025-09-20 03:05:06

2460935.6255556 - 2460938.6285417

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
518619	2025-09-20 03:05:06	2460938.6285417	19.6248	0.135722		ABMag	r-ZTF	P48_ZTF-Cam
518618	2025-09-17 03:00:48	2460935.6255556	19.5839	0.162727		ABMag	r-ZTF	P48_ZTF-Cam

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
270720	2025-09-20 07:31:05	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	15:40:35.184	+03:24:02.14	2025-09-17 03:00:48.003	19.5839	r-ZTF		PSN		ZTF25abrpckr	ZTF				N
269228	2025-09-03 20:22:07	GOTO_bot	T. Killestein, D. O'Neill, K. Ackley et al.	GOTO	GOTO	15:40:35.194	+03:24:01.97	2025-09-03 08:45:13.536	18.94	L-GOTO		Other		GOTO25gtg	GOTO				N
267846	2025-08-27 10:32:26	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	15:40:35.222	+03:24:02.25	2025-08-26 20:34:40.224	19.14	wide-ATLAS		PSN		ATLAS25kmz	ATLAS			2025TNSTR3390....1T	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21922

2025-08-30 10:55:03

Dhvanil Desai

Dhvanil Desai (on behalf of the SCAT team)

SCAT

SN Ia

0.085

1

SCAT

Redshift from NED.

2025TNSCR3467....1D

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
21922	2025-08-30 05:38:28	UH88 / SNIFS	1800	Desai		SCAT	tns_2025vos_2460917.73505_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 270720 of Group ZTF
Previous RA, DEC: 15:40:35.222, +03:24:02.25 (235.146758, +3.400624)
Updated RA, DEC: 15:40:35.184, +03:24:02.14 (235.1466008, +3.4005933)

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