2025hxl | Transient Name Server

RA/DEC (2000)

17:09:57.380 +11:38:43.84

257.489084198 +11.6455114726

Type

SN Ia

Redshift

0.071

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-04-20 08:58:02.997

TNS AT

Y

Public

Y

Discovery Mag

20.1457

Filter

g-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
	21026	2025-05-11 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_2025hxl_2025-05-11_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

L-GOTO

GOTO-S_GOTO-3

2025-04-19 16:55:53 - 2025-04-19 16:55:53

2460785.205485 - 2460785.205485

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
488345	2025-04-19 16:55:53	2460785.205485			19.5	ABMag	L-GOTO	GOTO-S_GOTO-3	180		[Last non detection]

w-P1

PS2_GPC2

2025-05-05 13:25:46 - 2025-05-05 13:25:46

2460801.05956 - 2460801.05956

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
495307	2025-05-05 13:25:46	2460801.05956	18.51	0.02	22	ABMag	w-P1	PS2_GPC2	45	Robot

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-04-26 06:50:35 - 2025-04-26 06:50:35

2460791.78513 - 2460791.78513

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
484488	2025-04-26 06:50:35	2460791.78513			19.13	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-04-23 02:28:19 - 2025-04-23 02:28:19

2460788.603001 - 2460788.603001

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
488346	2025-04-23 02:28:19	2460788.603001	19.14	0.11		ABMag	L-GOTO	GOTO-N_GOTO-1	180

r-ZTF

P48_ZTF-Cam

2025-04-15 10:09:12 - 2025-04-21 09:40:51

2460780.9230556 - 2460786.9033681

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
483100	2025-04-21 09:40:51	2460786.9033681	19.8888	0.147483		ABMag	r-ZTF	P48_ZTF-Cam
483098	2025-04-15 10:09:12	2460780.9230556			19.7272	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-04-20 08:58:03 - 2025-04-20 08:58:03

2460785.8736458 - 2460785.8736458

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
483099	2025-04-20 08:58:03	2460785.8736458	20.1457	0.160788		ABMag	g-ZTF	P48_ZTF-Cam

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-04-27 12:28:38 - 2025-04-27 12:28:38

2460793.01988 - 2460793.01988

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
484489	2025-04-27 12:28:38	2460793.01988	18.634	0.165	19.36	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

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
258642	2025-06-15 13:25:27	PS1_Bot1	K. C. Chambers,T. de Boer,J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	17:09:57.380	+11:38:43.84	2025-05-05 13:25:45.984	18.51	w-P1		PSN		PS25dld	Pan-STARRS				N
255062	2025-05-15 10:53:59	GOTO_bot	D. O'Neill,K. Ackley,M. Dyer et al.	GOTO	GOTO	17:09:57.379	+11:38:43.57	2025-04-23 02:28:19.200	19.14	L-GOTO		Other		GOTO25cmu	GOTO				N
252827	2025-04-28 08:06:11	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	17:09:57.401	+11:38:43.97	2025-04-27 12:28:37.632	18.634	orange-ATLAS		PSN		ATLAS25eie	ATLAS				N
252170	2025-04-21 11:05:37	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	17:09:57.393	+11:38:43.76	2025-04-20 08:58:02.997	20.1457	g-ZTF		PSN		ZTF25aanlfdo	ZTF			2025TNSTR1478....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

21026

2025-05-13 09:34:33

Cillian O'Donnell

Cillian O'Donnell

TCD

SN Ia

0.071

1

TCD

snid classification and redshift

2025TNSCR1774....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
21026	2025-05-11 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_2025hxl_2025-05-11_LT_SPRAT_TCD.text		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 258642 of Group Pan-STARRS
Previous RA, DEC: 17:09:57.393, +11:38:43.76 (257.4891375, +11.6454899)
Updated RA, DEC: 17:09:57.380, +11:38:43.84 (257.489084198, +11.6455114726)

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