2025hxn | Transient Name Server

RA/DEC (2000)

15:37:01.149 +66:51:48.99

234.2547857 +66.8636093875

Type

SN Ia

Redshift

0.069

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-04-16 07:41:40.004

TNS AT

Y

Public

Y

Discovery Mag

20.1855

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
	20919	2025-04-29 07:43:07	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025hxn_2025-04-29_07-43-07.473396_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

Clear-

LAST_LAST-Cam

2025-05-02 21:37:18 - 2025-05-03 01:12:07

2460798.4009 - 2460798.55008

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
486497	2025-05-03 01:12:07	2460798.55008	18.28			ABMag	Clear-	LAST_LAST-Cam	400
486496	2025-05-02 21:37:18	2460798.4009			20.73	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-05-03 22:48:19 - 2025-05-03 22:48:19

2460799.450224 - 2460799.450224

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
488258	2025-05-03 22:48:19	2460799.450224	18.03	0.07		ABMag	L-GOTO	GOTO-N_GOTO-2	180

L-GOTO

GOTO-N_GOTO-1

2025-04-07 00:33:49 - 2025-04-07 00:33:49

2460772.523477 - 2460772.523477

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
488257	2025-04-07 00:33:49	2460772.523477			19.2	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-04-10 10:13:07 - 2025-04-16 07:41:40

2460775.9257755 - 2460781.8206019

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
483105	2025-04-16 07:41:40	2460781.8206019	20.1855	0.335665		ABMag	r-ZTF	P48_ZTF-Cam
485295	2025-04-16 07:41:40	2460781.8206019	20.1855	0.335665	19.6793	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
485294	2025-04-10 10:13:07	2460775.9257755			19.9294	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

g-ZTF

P48_ZTF-Cam

2025-04-10 11:55:04 - 2025-04-21 08:21:05

2460775.9965741 - 2460786.8479745

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
483106	2025-04-21 08:21:05	2460786.8479745	18.6953	0.0893647		ABMag	g-ZTF	P48_ZTF-Cam
483104	2025-04-10 11:55:04	2460775.9965741			20.0677	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-04-16 12:30:56 - 2025-04-16 12:30:56

2460782.02148 - 2460782.02148

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
483455	2025-04-16 12:30:56	2460782.02148			18.92	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-04-22 11:00:40 - 2025-04-22 11:00:40

2460787.9588 - 2460787.9588

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
483456	2025-04-22 11:00:40	2460787.9588	18.852	0.13	19.38	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
255018	2025-05-15 10:24:40	GOTO_bot	D. O'Neill,K. Ackley,M. Dyer et al.	GOTO	GOTO	15:37:01.101	+66:51:49.23	2025-05-03 22:48:19.008	18.03	L-GOTO		Other		GOTO25cpg	GOTO				N
253875	2025-05-03 18:07:56	LAST_Bot1	E. O. Ofek (WIS),R. Konno (WIS),E. A. Zimmerman (WIS) et al.	LAST	LAST	15:37:01.115	+66:51:48.48	2025-05-03 01:12:06.912	18.28	Clear-		PSN			LAST				N
253292	2025-05-01 18:14:25	Fink	Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al.	Fink	ZTF	15:37:01.149	+66:51:48.99	2025-04-16 07:41:40.004	20.1855	r-ZTF		PSN		ZTF25aanpulo	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aanpulo		N
252308	2025-04-22 14:42:42	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	15:37:01.170	+66:51:48.79	2025-04-22 11:00:40.320	18.852	orange-ATLAS		PSN		ATLAS25ebj	ATLAS				N
252172	2025-04-21 11:05:53	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	15:37:01.134	+66:51:49.05	2025-04-16 07:41:40.004	20.1855	r-ZTF		PSN		ZTF25aanpulo	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

20919

2025-04-29 08:36:32

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

0.069

1

ZTF

2025TNSCR1588....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
20919	2025-04-29 07:43:07	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025hxn_2025-04-29_07-43-07.473396_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 253292 of Group ZTF
Previous RA, DEC: 15:37:01.134, +66:51:49.05 (234.254726, +66.8636252)
Updated RA, DEC: 15:37:01.149, +66:51:48.99 (234.2547857, +66.8636093875)

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