2026ljv | Transient Name Server

RA/DEC (2000)

15:03:12.643 +44:22:24.77

225.8026776 +44.373547

Type

SN Ia

Redshift

0.04

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2026-05-04 09:43:12.000

TNS AT

Y

Public

Y

Discovery Mag

17.392

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland (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, P. J. Broda, A. J. Smith (QUB), P. Ramsden (Birmingham/QUB), L. Shingles (GSI/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (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

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
	23663	2026-05-07 09:18:47	P60 / SEDM	2160	SEDmRobot		ZTF	tns_2026ljv_2026-05-07_09-18-46.923732_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

r-WFST

WFST_WFST-WFC

2026-05-02 20:18:14 - 2026-05-02 20:18:14

2461163.346 - 2461163.346

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
581092	2026-05-02 20:18:14	2461163.346	19	0.02		ABMag	r-WFST	WFST_WFST-WFC	30

Clear-

LAST_LAST-Cam

2024-03-04 01:57:07 - 2026-05-11 17:39:12

2460373.58133 - 2461172.23556

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
581803	2026-05-11 17:39:12	2461172.23556	17.51			ABMag	Clear-	LAST_LAST-Cam	400
581802	2024-03-04 01:57:07	2460373.58133			21.96	ABMag	Clear-	LAST_LAST-Cam	8120		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2026-05-01 23:35:13 - 2026-05-05 23:34:55

2461162.482791 - 2461166.482576

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
580435	2026-05-05 23:34:55	2461166.482576	17.93	0.03		ABMag	L-GOTO	GOTO-N_GOTO-2	180
580434	2026-05-01 23:35:13	2461162.482791			19.1	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-04-30 09:42:55 - 2026-05-07 05:42:59

2461160.9048032 - 2461167.7381829

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
580053	2026-05-07 05:42:59	2461167.7381829	17.8011	0.0520196		ABMag	r-ZTF	P48_ZTF-Cam
580052	2026-04-30 09:42:55	2461160.9048032			19.8129	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2026-05-07 07:18:47 - 2026-05-07 07:18:47

2461167.8047106 - 2461167.8047106

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
580054	2026-05-07 07:18:47	2461167.8047106	17.641	0.0414529		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-05-03 10:06:26 - 2026-05-04 09:43:12

2461163.92113 - 2461164.905

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
579577	2026-05-04 09:43:12	2461164.905	17.392	0.124	19.06	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot
579576	2026-05-03 10:06:26	2461163.92113			18.81	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	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
303377	2026-05-12 12:47:15	LAST_Bot1	R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al.	LAST	LAST	15:03:12.642	+44:22:24.56	2026-05-11 17:39:12.384	17.51	Clear-		PSN			LAST				N
303034	2026-05-10 14:43:32	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	15:03:12.630	+44:22:24.78	2026-05-02 20:18:14.400	19	r-WFST		PSN		WFST260502atbtc	WFST				N
302717	2026-05-08 15:24:46	GOTO_bot	M. Pursiainen, K. Ackley, M. Dyer et al.	GOTO	GOTO	15:03:12.646	+44:22:24.60	2026-05-05 23:34:54.912	17.93	L-GOTO		PSN		GOTO26eke	GOTO				N
302554	2026-05-07 09:01:18	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	15:03:12.643	+44:22:24.77	2026-05-07 05:42:59.002	17.8011	r-ZTF		PSN		ZTF26aauvyyf	ZTF				N
302323	2026-05-05 08:35:48	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	15:03:12.649	+44:22:24.62	2026-05-04 09:43:12.000	17.392	orange-ATLAS		PSN		ATLAS26fdt	ATLAS			2026TNSTR1938....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

23660

2026-05-07 19:49:14

ZTF_Bot1

J. Johansson, J. Castaneda Jaimes, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN Ia

0.04

1

ZTF

2026TNSCR1982....1J

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
23663	2026-05-07 09:18:47	P60 / SEDM	2160	SEDmRobot		ZTF	tns_2026ljv_2026-05-07_09-18-46.923732_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 302554 of Group ZTF
Previous RA, DEC: 15:03:12.649, +44:22:24.62 (225.802703333, +44.3735055556)
Updated RA, DEC: 15:03:12.643, +44:22:24.77 (225.8026776, +44.373547)

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