2026lhu | Transient Name Server

RA/DEC (2000)

14:24:23.100 +25:47:19.64

216.09625 +25.788789

Type

SN Ia

Redshift

0.073

Discovery Report Classification Report

Related AstroNotes: 2026-134

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2026-05-02 10:18:50.400

TNS AT

Y

Public

Y

Discovery Mag

18.36

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
	23722	2026-05-15 10:51:39	P60 / SEDM	2700	SEDmRobot	jpurdum	ZTF	tns_2026lhu_2026-05-15_10-51-39.189793_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
	23603	2026-05-04 09:27:33	UH88 / SNIFS	1800	Desai		SCAT	tns_2026lhu_2461164.89413_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

r-WFST

WFST_WFST-WFC

2026-04-30 20:44:10 - 2026-04-30 20:44:10

2461161.364 - 2461161.364

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
581090	2026-04-30 20:44:10	2461161.364	18.77	0.03		ABMag	r-WFST	WFST_WFST-WFC	30

g-WFST

WFST_WFST-WFC

2026-04-16 21:04:19 - 2026-04-16 21:04:19

2461147.378 - 2461147.378

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
581089	2026-04-16 21:04:19	2461147.378			22	ABMag	g-WFST	WFST_WFST-WFC	30		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2026-04-22 23:40:50 - 2026-04-24 03:31:14

2461153.486692 - 2461154.646691

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
579811	2026-04-24 03:31:14	2461154.646691	19.37	0.11		ABMag	L-GOTO	GOTO-N_GOTO-2	180
579810	2026-04-22 23:40:50	2461153.486692			19.7	ABMag	L-GOTO	GOTO-N_GOTO-2	135		[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-05-12 07:05:32 - 2026-05-12 07:05:32

2461172.7955093 - 2461172.7955093

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
582800	2026-05-12 07:05:32	2461172.7955093			20.5241	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2026-05-12 08:12:26 - 2026-05-15 09:10:53

2461172.8419676 - 2461175.8825579

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
582802	2026-05-15 09:10:53	2461175.8825579	18.5262	0.0573365		ABMag	g-ZTF	P48_ZTF-Cam
582801	2026-05-12 08:12:26	2461172.8419676	18.384	0.065193		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-05-02 10:18:50 - 2026-05-02 10:18:50

2461162.92975 - 2461162.92975

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
579415	2026-05-02 10:18:50	2461162.92975	18.36	0.156	18.75	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2026-04-29 11:42:21 - 2026-04-29 11:42:21

2461159.98774 - 2461159.98774

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
579414	2026-04-29 11:42:21	2461159.98774			18.77	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
303850	2026-05-15 10:20:52	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	14:24:23.112	+25:47:19.69	2026-05-12 08:12:26.000	18.384	g-ZTF		PSN		ZTF26aawfuzz	ZTF				N
303032	2026-05-10 14:43:32	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	14:24:23.100	+25:47:19.64	2026-04-30 20:44:09.600	18.77	r-WFST		PSN		WFST260430alvvq	WFST				N
302450	2026-05-06 07:51:23	GOTO_bot	M. Pursiainen, K. Ackley, M. Dyer et al.	GOTO	GOTO	14:24:23.110	+25:47:19.18	2026-04-24 03:31:14.016	19.37	L-GOTO		Other		GOTO26ehl	GOTO				N
302235	2026-05-03 20:09:26	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	14:24:23.142	+25:47:19.07	2026-05-02 10:18:50.400	18.36	orange-ATLAS		PSN		ATLAS26fch	ATLAS			2026TNSTR1923....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

23719

2026-05-15 16:46:16

ZTF_Bot1

C. Fremling and J. Purdum on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore

ZTF

SN Ia

0.073

1

ZTF

2026TNSCR2122....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
23722	2026-05-15 10:51:39	P60 / SEDM	2700	SEDmRobot	jpurdum	ZTF	tns_2026lhu_2026-05-15_10-51-39.189793_P60_SEDM_ZTF.ascii		Object

23600

2026-05-04 12:38:04

Dhvanil Desai

Dhvanil Desai (on behalf of the SCAT team)

SCAT

SN Ia

0.069

1

SCAT

Redshift from narrow H-alpha emission from host.

2026TNSCR1937....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
23603	2026-05-04 09:27:33	UH88 / SNIFS	1800	Desai		SCAT	tns_2026lhu_2461164.89413_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 303032 of Group WFST
Previous RA, DEC: 14:24:23.142, +25:47:19.07 (216.096425833, +25.78863)
Updated RA, DEC: 14:24:23.100, +25:47:19.64 (216.09625, +25.788789)

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