2026aafk | Transient Name Server

RA/DEC (2000)

16:46:08.583 +37:25:22.88

251.5357634 +37.4230212

Type

SN Ia-91T-like

Redshift

0.062

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2026-09-01 06:54:06.048

TNS AT

Y

Public

Y

Discovery Mag

19.177

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, J. Weston, X. Sheng, C. R. Angus, D. Magill, A. J. Smith, L. Shingles (QUB), A. Aamer (Arizona), P. Ramsden (Birmingham/QUB), S. Srivastav, J. H. Gillanders, H. Stevance, A. J. Cooper, F. Stoppa, J. Tweddle, L. Eastman (Oxford), L. Rhodes (TSI/McGill), T. Moore, A. Rest (STScI), T.-W. Chen (NCU), C. Deasy-Millar (TCD), 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
	24693	2026-09-04 05:11:55	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026aafk_2026-09-04_05-11-55.453497_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 z-step: v-step: Remarks

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-WFST

WFST_WFST-WFC

2026-08-28 14:47:02 - 2026-08-28 14:47:02

2461281.116 - 2461281.116

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
616912	2026-08-28 14:47:02	2461281.116	20.17	0.05		ABMag	r-WFST	WFST_WFST-WFC	30

g-WFST

WFST_WFST-WFC

2026-08-25 14:18:14 - 2026-08-25 14:18:14

2461278.096 - 2461278.096

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
616911	2026-08-25 14:18:14	2461278.096			20.51	ABMag	g-WFST	WFST_WFST-WFC	30		[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-08-30 04:40:30 - 2026-08-30 04:40:30

2461282.6947917 - 2461282.6947917

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
616064	2026-08-30 04:40:30	2461282.6947917	19.6852	0.152954		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2026-08-26 05:21:41 - 2026-09-03 04:16:24

2461278.7233912 - 2461286.6780556

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
616065	2026-09-03 04:16:24	2461286.6780556	18.4777	0.0716102		ABMag	g-ZTF	P48_ZTF-Cam
616063	2026-08-26 05:21:41	2461278.7233912			19.5773	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-09-01 06:54:06 - 2026-09-01 06:54:06

2461284.78757 - 2461284.78757

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
615758	2026-09-01 06:54:06	2461284.78757	19.177	0.166	19.48	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2026-08-31 08:19:54 - 2026-08-31 08:19:54

2461283.84715 - 2461283.84715

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
615757	2026-08-31 08:19:54	2461283.84715			19.01	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
322508	2026-09-06 13:29:04	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	16:46:08.590	+37:25:22.95	2026-08-28 14:47:02.400	20.17	r-WFST		PSN		WFST260828knwp	WFST				N
322085	2026-09-03 06:12:59	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	16:46:08.583	+37:25:22.88	2026-08-30 04:40:30.002	19.6852	r-ZTF		PSN		ZTF26abrelli	ZTF				N
321924	2026-09-01 17:56:59	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	16:46:08.607	+37:25:22.90	2026-09-01 06:54:06.048	19.177	orange-ATLAS		PSN		ATLAS26krp	ATLAS			2026TNSTR3524....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

24685

2026-09-11 16:27:42

ZTF_Bot1

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

ZTF

SN Ia-91T-like

0.062

1

ZTF

2026TNSCR3679....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
24693	2026-09-04 05:11:55	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026aafk_2026-09-04_05-11-55.453497_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 322085 of Group ZTF
Previous RA, DEC: 16:46:08.607, +37:25:22.90 (251.535863333, +37.4230283333)
Updated RA, DEC: 16:46:08.583, +37:25:22.88 (251.5357634, +37.4230212)

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