2026aasi | Transient Name Server

RA/DEC (2000)

16:35:24.870 -05:32:36.92

248.8536235 -5.5435876

Type

SN Ia

Redshift

0.018

Discovery Report Classification Report

Related AstroNotes: 2026-273

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2026-09-05 20:33:44.064

TNS AT

Y

Public

Y

Host Name

PGC1043381

Comments

[Object cross-matched with PGC1043381]

Discovery Mag

18.061

Filter

wide-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

▌

ATLAS-TDO_ATLAS-05_wide

▌

P48_ZTF-Cam_i

▌

P48_ZTF-Cam_r

▌

ATLAS-MLO_ATLAS-01_orange

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
	24668	2026-09-07 21:27:38	NOT / ALFOSC	1800	A. Bouquin (NOT), K. Kisielowski (NOT)	U. Pylypenko (Turku),	NUTS2	tns_2026aasi_2026-09-07_21-27-37.512_NOT_ALFOSC_NUTS2.dat	tns_2026aasi_2026-09-07_21-27-37.512_NOT_ALFOSC_NUTS2.fits	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

wide-ATLAS

ATLAS-TDO_ATLAS-05

2026-09-05 20:33:44 - 2026-09-05 20:33:44

2461289.35676 - 2461289.35676

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
616850	2026-09-05 20:33:44	2461289.35676	18.061	0.138	19.74	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

i-ZTF

P48_ZTF-Cam

2026-09-05 03:06:00 - 2026-09-05 03:06:00

2461288.6291667 - 2461288.6291667

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
619652	2026-09-05 03:06:00	2461288.6291667	18.3419	0.0992091		ABMag	i-ZTF	P48_ZTF-Cam

r-ZTF

P48_ZTF-Cam

2026-09-01 05:15:57 - 2026-09-17 03:03:28

2461284.7194097 - 2461300.6274074

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
619653	2026-09-17 03:03:28	2461300.6274074	16.5505	0.0314878		ABMag	r-ZTF	P48_ZTF-Cam
619651	2026-09-01 05:15:57	2461284.7194097			19.7322	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-09-03 06:23:47 - 2026-09-03 06:23:47

2461286.76652 - 2461286.76652

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
616849	2026-09-03 06:23:47	2461286.76652			19.08	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
323881	2026-09-17 05:44:23	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	16:35:24.870	-05:32:36.92	2026-09-05 03:06:00.002	18.3419	i-ZTF		PSN		ZTF26absixqk	ZTF				N
322488	2026-09-06 08:43:30	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	16:35:24.863	-05:32:36.98	2026-09-05 20:33:44.064	18.061	wide-ATLAS		PSN		ATLAS26kvh	ATLAS			2026TNSTR3599....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

24660

2026-09-09 11:16:56

Maximilian Stritzinger

U. Pylypenko (Turku), M. Stritzinger, S. Hansen, R. Paulsen (Aarhus), E. Y. Hsiao (FSU), N. Morrell. (LCO), C. Burns (Carnegie)

NUTS2

SN Ia

0.018

1

NUTS2, POISE

2026TNSCR3642....1P

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
24668	2026-09-07 21:27:38	NOT / ALFOSC	1800	A. Bouquin (NOT), K. Kisielowski (NOT)	U. Pylypenko (Turku),	NUTS2	tns_2026aasi_2026-09-07_21-27-37.512_NOT_ALFOSC_NUTS2.dat	tns_2026aasi_2026-09-07_21-27-37.512_NOT_ALFOSC_NUTS2.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 323881 of Group ZTF
Previous RA, DEC: 16:35:24.863, -05:32:36.98 (248.853594444, -5.54360666667)
Updated RA, DEC: 16:35:24.870, -05:32:36.92 (248.8536235, -5.5435876)

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