2026asx | Transient Name Server

RA/DEC (2000)

12:28:04.845 +06:58:04.21

187.020186 +6.967836

Type

SN I

Redshift

0.076

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2026-01-19 13:27:34.001

TNS AT

Y

Public

Y

Host Name

LEDA 1311098

Host Redshift

0.07681

Discovery Mag

20.1417

Filter

g-ZTF

Reporter/s

A. Munoz-Arancibia, G. Pignata, F.E. Bauer, F. Forster, A. Mourao, J. Correa-Orellana, H. Kumar, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, F. Andrades, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

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
	23065	2026-02-23 08:52:31	P200 / NGPS		Sam Rose	Sam Rose	ZTF	tns_2026asx_2026-02-23_08-52-31_P200_NGPS_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

wide-ATLAS

ATLAS-TDO_ATLAS-05

2026-01-28 03:56:21 - 2026-01-28 03:56:21

2461068.66413 - 2461068.66413

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
554426	2026-01-28 03:56:21	2461068.66413	19.412	0.117	20.32	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

i-LSST

Rubin_LSSTCam

2026-02-20 05:39:44 - 2026-02-20 05:39:44

2461091.7359259 - 2461091.7359259

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
561393	2026-02-20 05:39:44	2461091.7359259	20.07	0.03		ABMag	i-LSST	Rubin_LSSTCam

orange-ATLAS

ATLAS-STH_ATLAS-03

2026-01-26 02:21:52 - 2026-01-26 02:21:52

2461066.59852 - 2461066.59852

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
554425	2026-01-26 02:21:52	2461066.59852			19.37	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2026-01-15 04:24:46 - 2026-01-16 04:06:52

2461055.683858 - 2461056.671431

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
552779	2026-01-16 04:06:52	2461056.671431	20.18	0.18		ABMag	L-GOTO	GOTO-N_GOTO-1	180
552778	2026-01-15 04:24:46	2461055.683858			20.3	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-01-19 10:49:31 - 2026-01-19 10:49:31

2461059.9510532 - 2461059.9510532

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
551861	2026-01-19 10:49:31	2461059.9510532			20.4907	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2026-01-19 13:27:34 - 2026-01-19 13:27:34

2461060.0608102 - 2461060.0608102

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
551862	2026-01-19 13:27:34	2461060.0608102	20.1417	0.183754	20.4923	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

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
292865	2026-02-25 02:38:49	K-Ryan Hinds	Mansi Kasliwal (Caltech), Michael Coughlin (UMN), Theophile Jegou du Laz (Caltech) et al.	ZTF	Rubin	12:28:04.845	+06:58:04.21	2026-02-06 00:00:00.000	20.07	i-LSST		PSN		LSST-P-DO-170028526513684557	Rubin, ZTF		Found using Babamul (https://babamul.caltech.edu). BOOM/Babamul is funded by the National Science Foundation under award # 2432476.		N
289238	2026-01-28 17:14:38	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	12:28:04.850	+06:58:04.81	2026-01-28 03:56:20.832	19.412	wide-ATLAS		PSN		ATLAS26bem	ATLAS				N
288343	2026-01-22 10:55:03	GOTO_bot	G. Ramsay, D. O'Neill, K. Ackley et al.	GOTO	GOTO	12:28:04.882	+06:58:03.41	2026-01-16 04:06:51.552	20.18	L-GOTO		Other		GOTO26un	GOTO				N
287962	2026-01-19 19:27:53	ALeRCE	A. Munoz-Arancibia, G. Pignata, F.E. Bauer et al.	ALeRCE	ZTF	12:28:04.857	+06:58:04.29	2026-01-19 13:27:34.001	20.1417	g-ZTF		PSN	LEDA 1311098	ZTF26aacextk	ZTF		SN candidate classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF26aacextk	2026TNSTR.223....1M	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

23064

2026-02-24 00:18:27

ZTF_Bot1

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

ZTF

SN I

0.076

1

ZTF

2026TNSCR.796....1H

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
23065	2026-02-23 08:52:31	P200 / NGPS		Sam Rose	Sam Rose	ZTF	tns_2026asx_2026-02-23_08-52-31_P200_NGPS_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 292865 of Group Rubin
Previous RA, DEC: 12:28:04.857, +06:58:04.29 (187.0202362, +6.9678585)
Updated RA, DEC: 12:28:04.845, +06:58:04.21 (187.020186, +6.967836)

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