2026iif | Transient Name Server

RA/DEC (2000)

10:36:38.637 +01:39:50.56

159.16098917778 +1.6640433444444

Type

SN Ia

Redshift

0.06335

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2026-04-04 03:59:45.003

TNS AT

Y

Public

Y

Discovery Mag

19.7481

Filter

g-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

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
	23587	2026-04-29 06:52:35	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026iif_2026-04-29_06-52-35.419623_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

2026-04-01 18:15:50 - 2026-04-01 18:15:50

2461132.261 - 2461132.261

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
575781	2026-04-01 18:15:50	2461132.261			20.75	ABMag	r-WFST	WFST_WFST-WFC	60		[Last non detection]

g-WFST

WFST_WFST-WFC

2026-04-02 16:17:46 - 2026-04-02 16:17:46

2461133.179 - 2461133.179

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
575782	2026-04-02 16:17:46	2461133.179	20.62	0.11		ABMag	g-WFST	WFST_WFST-WFC	60

Clear-

LAST_LAST-Cam

2024-03-03 21:32:27 - 2026-04-06 19:45:47

2460373.39753 - 2461137.32346

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
572932	2026-04-06 19:45:47	2461137.32346	19.04			ABMag	Clear-	LAST_LAST-Cam	400
572931	2024-03-03 21:32:27	2460373.39753			20.94	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

L-GOTO

GOTO-S_GOTO-3

2026-04-03 11:11:21 - 2026-04-03 11:11:21

2461133.966214 - 2461133.966214

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
572947	2026-04-03 11:11:21	2461133.966214			19.2	ABMag	L-GOTO	GOTO-S_GOTO-3	180		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2026-04-06 22:03:39 - 2026-04-06 22:03:39

2461137.419204 - 2461137.419204

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
572948	2026-04-06 22:03:39	2461137.419204	18.8	0.09		ABMag	L-GOTO	GOTO-N_GOTO-2	180

orange-ATLAS

ATLAS-CHL_ATLAS-04

2026-04-07 02:45:30 - 2026-04-07 02:45:30

2461137.61493 - 2461137.61493

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
574193	2026-04-07 02:45:30	2461137.61493	18.484	0.138	19.23	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

g-ZTF

P48_ZTF-Cam

2026-04-02 07:36:30 - 2026-04-05 05:25:21

2461132.8170139 - 2461135.7259375

5

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
572305	2026-04-05 05:25:21	2461135.7259375	19.4412	0.132418		ABMag	g-ZTF	P48_ZTF-Cam
572304	2026-04-04 03:59:45	2461134.6664931	19.7481	0.191899		ABMag	g-ZTF	P48_ZTF-Cam
576039	2026-04-04 03:59:45	2461134.6664931	19.7481	0.191899	20.0901	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
572303	2026-04-02 07:36:30	2461132.8170139			19.3399	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]
576038	2026-04-02 07:36:30	2461132.8170139			18.8531	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-04-06 10:23:41 - 2026-04-06 10:23:41

2461136.93311 - 2461136.93311

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
574192	2026-04-06 10:23:41	2461136.93311			19.2	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
300511	2026-04-17 18:47:13	Fink	Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker	Fink	ZTF	10:36:38.637	+01:39:50.56	2026-04-04 03:59:45.004	19.7481	g-ZTF		PSN		ZTF26aaqzlik	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaqzlik		N
300379	2026-04-16 13:07:43	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	10:36:38.640	+01:39:50.40	2026-04-02 16:17:45.600	20.62	g-WFST		PSN		WFST260402abtd	WFST				N
299555	2026-04-10 09:26:49	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	10:36:38.635	+01:39:50.42	2026-04-07 02:45:29.952	18.484	orange-ATLAS		PSN		ATLAS26dxo	ATLAS				N
298939	2026-04-06 23:12:23	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	10:36:38.640	+01:39:50.63	2026-04-06 22:03:38.880	18.8	L-GOTO		Other		GOTO26cvu	GOTO				N
298931	2026-04-06 22:23:20	LAST_Bot1	R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al.	LAST	LAST	10:36:38.668	+01:39:50.68	2026-04-06 19:45:46.944	19.04	Clear-		PSN			LAST				N
298547	2026-04-05 06:56:21	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	10:36:38.631	+01:39:50.59	2026-04-04 03:59:45.003	19.7481	g-ZTF		PSN		ZTF26aaqzlik	ZTF			2026TNSTR1439....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

23584

2026-04-29 21:08:58

ZTF_Bot1

J. Sollerman, K. Hinds, C. Fremling, J. Castaneda Jaimes, T. du Laz, T. Culino, M. Kasliwal (Caltech), and M. Coughlin (UoM) on behalf of the ZTF LIONS collaboration

ZTF

SN Ia

0.06335

1

ZTF

2026TNSCR1886....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
23587	2026-04-29 06:52:35	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026iif_2026-04-29_06-52-35.419623_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 300511 of Group ZTF
Previous RA, DEC: 10:36:38.631, +01:39:50.59 (159.1609608, +1.6640528)
Updated RA, DEC: 10:36:38.637, +01:39:50.56 (159.16098917778, +1.6640433444444)

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