2025eui | Transient Name Server

RA/DEC (2000)

13:47:05.318 +00:23:59.48

206.7721572125 +0.3998569375

Type

SN Ia

Redshift

0.09

Discovery Report Classification Report

Reporting Group

SGLF

Discovering Data Source

ZTF

Discovery Date

2025-03-19 07:17:44.000

TNS AT

Y

Public

Y

Host Name

LEDA 1164958

Host Redshift

0.09039983

Discovery Mag

18.785

Filter

g-ZTF

Reporter/s

I. Pérez-Fournon (IAC and ULL), D. Cano-Morales, I. Correa-Plasencia, A.E. Hernández-Díaz, C. Jaén-Martín (ULL), F. Poidevin (IAC and ULL), E. Hatziminaoglou (ESO and IAC), C. Jiménez Ángel (GRANTECAN), Z. Delgado-González (ULL), R. Shirley (MPE), R. Marques-Chaves (Univ. of Geneva), and S. Geier (GRANTECAN & IAC) on behalf of SGLF

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
	20612	2025-03-23 09:49:17	UH88 / SNIFS	1800	Desai		SCAT	tns_2025eui_2460757.90923_UH88_SNIFS_SCAT.dat		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

g-WFST

WFST_WFST-WFC

2025-03-08 20:22:34 - 2025-03-19 18:11:31

2460743.349 - 2460754.258

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
479463	2025-03-19 18:11:31	2460754.258	18.56	0.01		ABMag	g-WFST	WFST_WFST-WFC	75
479462	2025-03-08 20:22:34	2460743.349			22.52	ABMag	g-WFST	WFST_WFST-WFC	90		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-03-19 01:18:43 - 2025-03-19 01:18:43

2460753.554675 - 2460753.554675

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477295	2025-03-19 01:18:43	2460753.554675			19	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-03-21 05:49:13 - 2025-03-21 05:49:13

2460755.74251 - 2460755.74251

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477348	2025-03-21 05:49:13	2460755.74251	18.774	0.174	18.96	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

orange-ATLAS

ATLAS-STH_ATLAS-03

2025-03-19 02:07:48 - 2025-03-19 02:07:48

2460753.58875 - 2460753.58875

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477347	2025-03-19 02:07:48	2460753.58875			18.6	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-03-21 00:12:43 - 2025-03-21 00:12:43

2460755.50883 - 2460755.50883

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477296	2025-03-21 00:12:43	2460755.50883	18.73	0.12		ABMag	L-GOTO	GOTO-N_GOTO-1	180

r-ZTF

P48_ZTF-Cam

2025-03-09 09:35:37 - 2025-03-09 09:35:37

2460743.8997338 - 2460743.8997338

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
476844	2025-03-09 09:35:37	2460743.8997338			19.403	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTFbot	[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-02-27 08:28:49 - 2025-03-19 07:17:44

2460733.8533449 - 2460753.8039815

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
476845	2025-03-19 07:17:44	2460753.8039815	18.785	0.132		ABMag	g-ZTF	P48_ZTF-Cam	30	ZTFbot
479541	2025-03-19 07:17:44	2460753.8039815	18.7846	0.13206	19.482	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
479540	2025-02-27 08:28:49	2460733.8533449			19.8362	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

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
250188	2025-03-27 19:27:28	Fink	Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al.	Fink	ZTF	13:47:05.318	+00:23:59.48	2025-03-19 07:17:44.002	18.7846	g-ZTF		PSN		ZTF25aajghtw	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aajghtw		N
250159	2025-03-27 16:18:37	WFST_SN	Zelin Xu,Dezheng Meng,Ji-an Jiang et al.	WFST	WFST	13:47:05.310	+00:23:59.39	2025-03-19 18:11:31.200	18.56	g-WFST		PSN		WFST0538yiwh	WFST				N
249119	2025-03-21 10:56:11	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	13:47:05.381	+00:24:00.60	2025-03-21 05:49:12.864	18.774	orange-ATLAS		PSN		ATLAS25cvc	ATLAS				N
249091	2025-03-21 05:42:32	GOTO_bot	G. Ramsay,K. Ackley,M. Dyer et al.	GOTO	GOTO	13:47:05.304	+00:23:59.58	2025-03-21 00:12:42.912	18.73	L-GOTO		Other		GOTO25beq	GOTO				N
248876	2025-03-19 14:18:21	Ismael Perez-Fournon	I. Pérez-Fournon (IAC and ULL),D. Cano-Morales,I. Correa-Plasencia et al.	SGLF	ZTF	13:47:05.315	+00:23:59.40	2025-03-19 07:17:44.000	18.785	g-ZTF		PSN	LEDA 1164958	ZTF25aajghtw	ZTF		SN candidate discovered using the public ZTF alerts, the LSST/ZTF brokers, and our SGLF filters. ZTF light curve available at the LSST/ZTF brokers, e.g.: https://lasair-ztf.lsst.ac.uk/objects/ZTF25aajghtw/ https://lasair-ztf.lsst.ac.uk/objects/ZTF25aajghtw/ https://antares.noirlab.edu/loci/ANT20253ysoma9oe1yj	2025TNSTR1048....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

20612

2025-03-23 16:39:24

Dhvanil Desai

Dhvanil Desai (on behalf of the SCAT team)

SCAT

SN Ia

0.09

1

SCAT

Redshift from NED.

2025TNSCR1108....1D

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
20612	2025-03-23 09:49:17	UH88 / SNIFS	1800	Desai		SCAT	tns_2025eui_2460757.90923_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 250188 of Group ZTF
Previous RA, DEC: 13:47:05.315, +00:23:59.40 (206.772146, +0.399833)
Updated RA, DEC: 13:47:05.318, +00:23:59.48 (206.7721572125, +0.3998569375)

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