2026keo | Transient Name Server

RA/DEC (2000)

14:11:16.391 -03:31:14.37

212.8182939 -3.5206587

Type

SN Ia

Redshift

0.085

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2026-04-20 07:33:34.998

TNS AT

Public

Host Name

ZW VIII 375

Discovery Mag

19.2289

Filter

g-ZTF

Reporter/s

A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, S. Jurado, A. Mourao, A. Alvarez, F. Andrades, A. Bayo, G. Cabrera-Vives, M. Catelan, P.A. Estevez, S. Eyheramendy, B. Galindo, L. Hernandez-Garcia, H. Larranaga, K. Medina, D. Moreno-Cartagena, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, on behalf of the ALeRCE broker

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-TDO_ATLAS-05_wide

▌

ATLAS-CHL_ATLAS-04_orange

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

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
	23744	2026-05-07 07:44:56	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026keo_2026-05-07_07-44-55.763027_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

wide-ATLAS

ATLAS-TDO_ATLAS-05

2026-04-21 00:55:37 - 2026-04-21 00:55:37

2461151.53862 - 2461151.53862

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
576673	2026-04-21 00:55:37	2461151.53862	19.6	0.125	19.98	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

orange-ATLAS

ATLAS-CHL_ATLAS-04

2026-04-19 05:03:12 - 2026-04-19 05:03:12

2461149.71056 - 2461149.71056

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
576672	2026-04-19 05:03:12	2461149.71056			19.53	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-04-18 09:42:53 - 2026-04-18 09:42:53

2461148.9047801 - 2461148.9047801

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
576617	2026-04-18 09:42:53	2461148.9047801			20.2076	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2026-04-20 07:33:35 - 2026-04-20 07:33:35

2461150.8149884 - 2461150.8149884

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
576618	2026-04-20 07:33:35	2461150.8149884	19.2289	0.111302	20.4748	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
300836	2026-04-21 07:51:11	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	14:11:16.354	-03:31:14.56	2026-04-21 00:55:36.768	19.6	wide-ATLAS		PSN		ATLAS26eoh	ATLAS				N
300807	2026-04-20 18:42:01	ALeRCE	A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al.	ALeRCE	ZTF	14:11:16.391	-03:31:14.37	2026-04-20 07:33:34.998	19.2289	g-ZTF		PSN	ZW VIII 375	ZTF26aatloyt	ZTF		Early SN candidate (g-rise > 0.53+-0.06 mag/day) 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/ZTF26aatloyt	2026TNSTR1724....1M	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

23741

2026-05-17 22:04:59

ZTF_Bot1

C. Fremling, K. Hinds, 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

0.085

ZTF

2026TNSCR2148....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
23744	2026-05-07 07:44:56	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026keo_2026-05-07_07-44-55.763027_P60_SEDM_ZTF.ascii		Object

SN 2026keo

Spectra

Light curves

Comments