2025izg | Transient Name Server

RA/DEC (2000)

15:06:47.464 +29:20:47.71

226.697766065 +29.346586055

Type

SN Ia-91bg-like

Redshift

0.06

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-04-30 07:55:56.003

TNS AT

Y

Public

Y

Discovery Mag

20.3737

Filter

g-ZTF

Reporter/s

Daniel Perley (LJMU), Christoffer Fremling (Caltech), 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
	21048	2025-05-15 00:00:00	LT / SPRAT	1200	Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br	Cillian O'Donnell	TCD	tns_2025izg_2025-05-15_LT_SPRAT_TCD.text		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

Clear-

LAST_LAST-Cam

2024-03-05 02:06:47 - 2025-05-02 20:19:43

2460374.58804 - 2460798.34703

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485657	2025-05-02 20:19:43	2460798.34703	19.76			ABMag	Clear-	LAST_LAST-Cam	400
485656	2024-03-05 02:06:47	2460374.58804			21.76	ABMag	Clear-	LAST_LAST-Cam	8140		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-04-26 23:57:36 - 2025-04-26 23:57:36

2460792.498332 - 2460792.498332

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
487984	2025-04-26 23:57:36	2460792.498332			19.7	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

i-P1

PS2_GPC2

2025-05-11 11:54:35 - 2025-05-11 11:54:35

2460806.99624 - 2460806.99624

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
495229	2025-05-11 11:54:35	2460806.99624	18.63	0.09	20.7	ABMag	i-P1	PS2_GPC2	45	Robot

L-GOTO

GOTO-N_GOTO-1

2025-05-06 21:44:07 - 2025-05-06 21:44:07

2460802.40564 - 2460802.40564

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
487985	2025-05-06 21:44:07	2460802.40564	18.7	0.12		ABMag	L-GOTO	GOTO-N_GOTO-1	360

r-ZTF

P48_ZTF-Cam

2025-04-30 04:52:18 - 2025-04-30 04:52:18

2460795.7029861 - 2460795.7029861

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485464	2025-04-30 04:52:18	2460795.7029861			20.0937	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-04-30 07:55:56 - 2025-05-02 08:58:43

2460795.8305093 - 2460797.8741088

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485466	2025-05-02 08:58:43	2460797.8741088	19.6801	0.103984		ABMag	g-ZTF	P48_ZTF-Cam
485465	2025-04-30 07:55:56	2460795.8305093	20.3737	0.188691		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-05-06 07:53:43 - 2025-05-07 12:07:59

2460801.82897 - 2460803.00554

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
487383	2025-05-07 12:07:59	2460803.00554	18.715	0.172	19.1	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
487382	2025-05-06 07:53:43	2460801.82897			18.64	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	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
258593	2025-06-14 20:39:24	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	15:06:47.464	+29:20:47.71	2025-05-11 11:54:35.136	18.63	i-P1		PSN		PS25dkb	Pan-STARRS				N
254867	2025-05-12 14:53:49	GOTO_bot	D. O'Neill,K. Ackley,M. Dyer et al.	GOTO	GOTO	15:06:47.465	+29:20:48.25	2025-05-06 21:44:07.296	18.7	L-GOTO		Other		GOTO25ckz	GOTO				N
254552	2025-05-08 09:41:54	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	15:06:47.470	+29:20:47.76	2025-05-07 12:07:58.656	18.715	orange-ATLAS		PSN		ATLAS25evu	ATLAS				N
253454	2025-05-02 20:40:20	LAST_Bot1	R. Konno (WIS),E. A. Zimmerman (WIS),A. Horowicz (WIS) et al.	LAST	LAST	15:06:47.495	+29:20:47.82	2025-05-02 20:19:43.392	19.76	Clear-		PSN			LAST				N
253364	2025-05-02 11:06:33	Fritz	Daniel Perley (LJMU),Christoffer Fremling (Caltech),Theophile du Laz (Caltech) on behalf of ZTF et al.	ZTF	ZTF	15:06:47.473	+29:20:47.76	2025-04-30 07:55:56.003	20.3737	g-ZTF		PSN		ZTF25aaoxequ	ZTF			2025TNSTR1631....1P	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21048

2025-05-16 13:12:16

Cillian O'Donnell

Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Bravo

TCD

SN Ia-91bg-like

0.06

1

TCD

snid classification & redshift

2025TNSCR1812....1O

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
21048	2025-05-15 00:00:00	LT / SPRAT	1200	Cillian O'Donnell, Kate Maguire, Umut Burgaz, Christine Collins, Ravi Seth, CG Touchard-Paxton, Jacobus Terwel, Thomas Muller Br	Cillian O'Donnell	TCD	tns_2025izg_2025-05-15_LT_SPRAT_TCD.text		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 258593 of Group Pan-STARRS
Previous RA, DEC: 15:06:47.473, +29:20:47.76 (226.6978037, +29.3465987)
Updated RA, DEC: 15:06:47.464, +29:20:47.71 (226.697766065, +29.346586055)

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