2026bhd | Transient Name Server

RA/DEC (2000)

12:19:12.127 +55:28:51.44

184.8005292 +55.4809562

Type

SN Ia

Redshift

0.045084

Discovery Report Classification Report

Reporting Group

GOTO

Discovering Data Source

GOTO

Discovery Date

2026-01-25 03:52:51.744

TNS AT

Y

Public

Y

Discovery Mag

19.34

Filter

L-GOTO

Reporter/s

D. O'Neill, K. Ackley, M. Dyer, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, G. Ramsay, K. Noysena, R. Kotak, R. Breton, J. Casares, L. Nuttall, R. Starling, B. Gompertz, B. Godson, T. Killestein, A. Kumar, M. Pursiainen, on behalf of GOTO collaboration

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
	22896	2026-01-30 09:46:16	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2026bhd_2026-01-30_09-46-16.106145_P60_SEDM_ZTF_0.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
	22887	2026-01-30 09:46:16	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2026bhd_2026-01-30_09-46-16.106145_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

2026-01-23 04:12:25 - 2026-01-26 02:48:02

2461063.67529 - 2461066.61669

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
554430	2026-01-26 02:48:02	2461066.61669	18.998	0.074	20.23	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot
554429	2026-01-23 04:12:25	2461063.67529			19.86	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot	[Last non detection]

r-WFST

WFST_WFST-WFC

2026-02-01 18:33:07 - 2026-02-01 18:33:07

2461073.273 - 2461073.273

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
568254	2026-02-01 18:33:07	2461073.273	17.63	0.04		ABMag	r-WFST	WFST_WFST-WFC	30

Clear-

LAST_LAST-Cam

2024-03-03 23:11:08 - 2026-02-12 23:45:52

2460373.46607 - 2461084.49019

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
558115	2026-02-12 23:45:52	2461084.49019	17.7			ABMag	Clear-	LAST_LAST-Cam	360
558114	2024-03-03 23:11:08	2460373.46607			21.91	ABMag	Clear-	LAST_LAST-Cam	3140		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2026-01-25 03:52:52 - 2026-01-25 03:52:52

2461065.661709 - 2461065.661709

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
553556	2026-01-25 03:52:52	2461065.661709	19.34	0.1		ABMag	L-GOTO	GOTO-N_GOTO-2	180

L-GOTO

GOTO-N_GOTO-1

2026-01-20 06:13:59 - 2026-01-20 06:13:59

2461060.75971 - 2461060.75971

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
553555	2026-01-20 06:13:59	2461060.75971			20.5	ABMag	L-GOTO	GOTO-N_GOTO-1	360		[Last non detection]

r-ZTF

P48_ZTF-Cam

2026-01-21 13:15:59 - 2026-01-25 10:50:42

2461062.0527662 - 2461065.951875

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
553770	2026-01-25 10:50:42	2461065.951875	19.1979	0.109574		ABMag	r-ZTF	P48_ZTF-Cam
553768	2026-01-21 13:15:59	2461062.0527662			20.2466	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2026-01-25 10:14:30 - 2026-01-25 10:14:30

2461065.9267361 - 2461065.9267361

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
553769	2026-01-25 10:14:30	2461065.9267361	19.186	0.109607		ABMag	g-ZTF	P48_ZTF-Cam

Other-

Other_Other

2011-04-23 17:10:25 - 2026-02-11 10:28:47

2455675.21557 - 2461082.93666

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
558071	2026-02-11 10:28:47	2461082.93666	16.8		19.8	VegaMag	Other-	Other_Other	60	Robot	MASTER-OAGH
558070	2026-02-11 10:12:24	2461082.92528	16.2		19.7	VegaMag	Other-	Other_Other	60	Robot	MASTER-OAGH
558069	2011-04-23 17:10:25	2455675.21557			20.2	VegaMag	Other-	Other_Other	180	Robot	[Last non detection] MASTER-OAGH

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
296407	2026-03-20 10:34:52	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	12:19:12.120	+55:28:51.45	2026-02-01 18:33:07.200	17.63	r-WFST		PSN		WFST260201uyxm	WFST				N
291141	2026-02-13 05:33:23	LAST_Bot1	E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al.	LAST	LAST	12:19:12.133	+55:28:51.39	2026-02-12 23:45:52.416	17.7	Clear-		PSN			LAST				N
291119	2026-02-13 00:22:08	MASTER	Ya.Kechin, V.Lipunov, E.Gorbovskoy et al.	MASTER	MASTER	12:19:12.160	+55:28:51.60	2026-02-11 10:12:24.192	16.2	Other-		PSN		MASTER OT J121912.16+552851.6	MASTER				N
289240	2026-01-28 17:15:35	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	12:19:12.138	+55:28:51.32	2026-01-26 02:48:02.016	18.998	wide-ATLAS		PSN		ATLAS26ben	ATLAS				N
288908	2026-01-25 11:47:31	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	12:19:12.127	+55:28:51.44	2026-01-25 10:14:29.999	19.186	g-ZTF		PSN		ZTF26aadsjco	ZTF				N
288818	2026-01-25 06:32:11	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	12:19:12.167	+55:28:50.87	2026-01-25 03:52:51.744	19.34	L-GOTO		Other		GOTO26aav	GOTO			2026TNSTR.326....1O	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22895

2026-02-02 00:08:51

ZTF_Bot1

S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN Ia

0.045084

1

ZTF

2026TNSCR.448....1C

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
22896	2026-01-30 09:46:16	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2026bhd_2026-01-30_09-46-16.106145_P60_SEDM_ZTF_0.ascii		Object

22886

2026-01-30 16:52:55

ZTF_Bot1

C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore

ZTF

SN Ia

0.043

1

ZTF

2026TNSCR.409....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
22887	2026-01-30 09:46:16	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2026bhd_2026-01-30_09-46-16.106145_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 288908 of Group ZTF
Previous RA, DEC: 12:19:12.167, +55:28:50.87 (184.800694, +55.480798)
Updated RA, DEC: 12:19:12.127, +55:28:51.44 (184.8005292, +55.4809562)

Log in or register to post comments

Log in or register to post comments