2026hbj | Transient Name Server

RA/DEC (2000)

13:18:06.524 -15:50:01.64

199.52718449091 -15.833788427273

Type

SN Ia

Redshift

0.08

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2026-03-21 07:59:47.996

TNS AT

Y

Public

Y

Discovery Mag

20.4435

Filter

r-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
	23457	2026-04-10 05:38:28	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026hbj_2026-04-10_05-38-27.653137_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

L-GOTO

GOTO-S_GOTO-3

2026-03-22 12:48:56 - 2026-03-23 13:57:40

2461122.033983 - 2461123.081707

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
569691	2026-03-23 13:57:40	2461123.081707	20.07	0.21		ABMag	L-GOTO	GOTO-S_GOTO-3	180
569690	2026-03-22 12:48:56	2461122.033983			20.2	ABMag	L-GOTO	GOTO-S_GOTO-3	180		[Last non detection]

cyan-ATLAS

ATLAS-CHL_ATLAS-04

2026-03-26 04:32:38 - 2026-03-26 04:32:38

2461125.68933 - 2461125.68933

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
570245	2026-03-26 04:32:38	2461125.68933	19.27	0.166	19.76	ABMag	cyan-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

BG-q-BlackGem

BG3_BlackGEM-Cam3

2026-03-19 07:24:29 - 2026-03-23 05:37:18

2461118.808669 - 2461122.7342361

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
572689	2026-03-23 05:37:18	2461122.7342361	20.06	0.14	20.7	ABMag	BG-q-BlackGem	BG3_BlackGEM-Cam3	60	robotic
572688	2026-03-19 07:24:29	2461118.808669			20.82	ABMag	BG-q-BlackGem	BG3_BlackGEM-Cam3	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-03-21 07:59:48 - 2026-03-21 07:59:48

2461120.8331944 - 2461120.8331944

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
569609	2026-03-21 07:59:48	2461120.8331944	20.4435	0.156033		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2026-03-20 09:31:39 - 2026-03-24 09:02:11

2461119.8969792 - 2461123.8765162

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
569610	2026-03-24 09:02:11	2461123.8765162	19.4049	0.114063		ABMag	g-ZTF	P48_ZTF-Cam
570796	2026-03-21 09:02:15	2461120.8765625	20.2187	0.194459	20.275	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
569608	2026-03-20 09:31:39	2461119.8969792			20.663	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]
570795	2026-03-20 09:31:39	2461119.8969792			20.2003	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

orange-ATLAS

ATLAS-MLO_ATLAS-01

2026-03-25 13:41:55 - 2026-03-25 13:41:55

2461125.07078 - 2461125.07078

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
570244	2026-03-25 13:41:55	2461125.07078			18.81	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
298773	2026-04-06 06:52:02	BlackGEM_Bot1	G. Ramsay, H. Tranin, F. Stoppa et al.	BlackGEM	BlackGEM	13:18:06.517	-15:50:01.85	2026-03-23 05:37:18.000	20.06	BG-q-BlackGem		PSN		BGEM J131806.52-155001.8	BlackGEM				N
297671	2026-03-28 19:45:14	Fink	Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker	Fink	ZTF	13:18:06.524	-15:50:01.64	2026-03-21 09:02:15.000	20.2187	g-ZTF		PSN		ZTF26aaodcvl	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF26aaodcvl		N
297428	2026-03-26 12:49:09	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	13:18:06.546	-15:50:01.60	2026-03-26 04:32:38.112	19.27	cyan-ATLAS		PSN		ATLAS26dhu	ATLAS				N
297164	2026-03-24 17:49:02	GOTO_bot	D. O'Neill, G. Ramsay, K. Ackley et al.	GOTO	GOTO	13:18:06.491	-15:50:01.99	2026-03-23 13:57:39.744	20.07	L-GOTO		Other		GOTO26cjj	GOTO				N
297130	2026-03-24 09:50:12	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	13:18:06.500	-15:50:01.57	2026-03-21 07:59:47.996	20.4435	r-ZTF		PSN		ZTF26aaodcvl	ZTF			2026TNSTR1267....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

23455

2026-04-11 15:22:50

ZTF_Bot1

J. Johansson, 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

0.08

1

ZTF

2026TNSCR1546....1J

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
23457	2026-04-10 05:38:28	P60 / SEDM	2700	SEDmRobot		ZTF	tns_2026hbj_2026-04-10_05-38-27.653137_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 297671 of Group ZTF
Previous RA, DEC: 13:18:06.500, -15:50:01.57 (199.5270849, -15.8337706)
Updated RA, DEC: 13:18:06.524, -15:50:01.64 (199.52718449091, -15.833788427273)

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