2025ius | Transient Name Server

RA/DEC (2000)

18:32:59.604 +72:51:37.92

278.248349975 +72.860532741667

Type

SN Ia

Redshift

0.083

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-04-25 09:13:38.000

TNS AT

Y

Public

Y

Discovery Mag

20.5229

Filter

g-ZTF

Reporter/s

Nabeel Rehemtulla (CIERA, NU), 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

▌

GOTO-N_GOTO-2_L

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

ATLAS-MLO_ATLAS-01_cyan

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
	21007	2025-05-09 09:33:32	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025ius_2025-05-09_09-33-31.742345_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-N_GOTO-2

2025-04-22 01:00:42 - 2025-05-05 00:22:24

2460787.542146 - 2460800.515548

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
488268	2025-05-05 00:22:24	2460800.515548	18.59	0.15		ABMag	L-GOTO	GOTO-N_GOTO-2	180
488267	2025-04-22 01:00:42	2460787.542146			19	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-04-24 10:29:13 - 2025-04-30 09:17:04

2460789.936956 - 2460795.8868519

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485068	2025-04-30 09:17:04	2460795.8868519	19.3142	0.110133		ABMag	r-ZTF	P48_ZTF-Cam
485066	2025-04-24 10:29:13	2460789.936956			20.2728	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-04-24 08:55:49 - 2025-04-25 09:13:38

2460789.8720949 - 2460790.8844676

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485067	2025-04-25 09:13:38	2460790.8844676	20.5229	0.24259		ABMag	g-ZTF	P48_ZTF-Cam
487782	2025-04-25 09:13:38	2460790.8844676	20.5229	0.24259	20.6006	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
487781	2025-04-24 08:55:49	2460789.8720949			20.3475	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

cyan-ATLAS

ATLAS-MLO_ATLAS-01

2025-04-28 13:20:26 - 2025-05-02 12:21:12

2460794.05586 - 2460798.01472

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485637	2025-05-02 12:21:12	2460798.01472	18.863	0.121	19.4	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot
485636	2025-04-28 13:20:26	2460794.05586			19.24	ABMag	cyan-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
255023	2025-05-15 10:25:49	GOTO_bot	D. O'Neill,K. Ackley,M. Dyer et al.	GOTO	GOTO	18:32:59.525	+72:51:37.58	2025-05-05 00:22:23.520	18.59	L-GOTO		Other		GOTO25cln	GOTO				N
254744	2025-05-10 18:15:18	Fink	Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al.	Fink	ZTF	18:32:59.604	+72:51:37.92	2025-04-25 09:13:38.001	20.5229	g-ZTF		PSN		ZTF25aaoxgwp	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aaoxgwp		N
253444	2025-05-02 18:26:49	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	18:32:59.504	+72:51:37.71	2025-05-02 12:21:11.808	18.863	cyan-ATLAS		PSN		ATLAS25enr	ATLAS				N
253156	2025-04-30 13:19:27	Fritz	Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al.	ZTF	ZTF	18:32:59.595	+72:51:37.83	2025-04-25 09:13:38.000	20.5229	g-ZTF		PSN		ZTF25aaoxgwp	ZTF			2025TNSTR1605....1R	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21007

2025-05-09 10:28:55

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

0.083

1

ZTF

2025TNSCR1735....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
21007	2025-05-09 09:33:32	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025ius_2025-05-09_09-33-31.742345_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 254744 of Group ZTF
Previous RA, DEC: 18:32:59.595, +72:51:37.83 (278.2483144, +72.8605093)
Updated RA, DEC: 18:32:59.604, +72:51:37.92 (278.248349975, +72.860532741667)

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