2025fdu | Transient Name Server

RA/DEC (2000)

16:01:26.192 +05:43:23.33

240.359135269 +5.72314641318

Type

SN Ia

Redshift

0.045545

Discovery Report Classification Report

Related AstroNotes: 2025-108

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-03-21 11:20:44.001

TNS AT

Y

Public

Y

Discovery Mag

19.7923

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
	20694	2025-04-05 07:19:24	ESO-NTT / EFOSC2-NTT	600	C. Duffy, M. Ghendrih	M. Smith, C. Angus	ePESSTO+	tns_2025fdu_2025-04-05_07-19-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2025fdu_2025-04-05_07-19-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	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
	20704	2025-04-05 06:40:25	P60 / SEDM	2700	SEDmRobot	Yujing	ZTF	tns_2025fdu_2025-04-05_06-40-24.791598_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-S_GOTO-4

2025-03-14 16:37:26 - 2025-03-14 16:37:26

2460749.192656 - 2460749.192656

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
479141	2025-03-14 16:37:26	2460749.192656			18.6	ABMag	L-GOTO	GOTO-S_GOTO-4	180		[Last non detection]

g-P1

PS2_GPC2

2025-03-29 13:51:25 - 2025-03-29 13:51:25

2460764.07737 - 2460764.07737

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
479983	2025-03-29 13:51:25	2460764.07737	17.97	0.04	21	ABMag	g-P1	PS2_GPC2	27	Robot

L-GOTO

GOTO-N_GOTO-1

2025-03-27 02:59:27 - 2025-03-27 02:59:27

2460761.624619 - 2460761.624619

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
479142	2025-03-27 02:59:27	2460761.624619	18.37	0.13		ABMag	L-GOTO	GOTO-N_GOTO-1	135

r-ZTF

P48_ZTF-Cam

2025-03-22 12:04:36 - 2025-03-22 12:04:36

2460757.0031944 - 2460757.0031944

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477635	2025-03-22 12:04:36	2460757.0031944	19.4272	0.170099		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-03-20 08:21:35 - 2025-03-21 11:20:44

2460754.8483218 - 2460755.9727315

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477634	2025-03-21 11:20:44	2460755.9727315	19.7923	0.214881		ABMag	g-ZTF	P48_ZTF-Cam
477633	2025-03-20 08:21:35	2460754.8483218			19.167	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-03-24 14:22:08 - 2025-03-24 14:22:08

2460759.0987 - 2460759.0987

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
478590	2025-03-24 14:22:08	2460759.0987	18.936	0.158	19.57	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-03-22 13:12:06 - 2025-03-22 13:12:06

2460757.05007 - 2460757.05007

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
478589	2025-03-22 13:12:06	2460757.05007			19.4	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
250433	2025-03-31 20:48:26	YSE_Bot1	D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al.	YSE	Pan-STARRS	16:01:26.192	+05:43:23.33	2025-03-29 13:51:24.768	17.97	g-P1		PSN		PS25axn	Pan-STARRS				N
250003	2025-03-27 11:27:27	GOTO_bot	D. O'Neill,K. Ackley,M. Dyer et al.	GOTO	GOTO	16:01:26.181	+05:43:23.70	2025-03-27 02:59:27.168	18.37	L-GOTO		Other		GOTO25bhg	GOTO				N
249757	2025-03-24 17:41:12	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	16:01:26.188	+05:43:23.16	2025-03-24 14:22:07.680	18.936	orange-ATLAS		PSN		ATLAS25dan	ATLAS				N
249231	2025-03-22 13:31:06	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	16:01:26.189	+05:43:23.28	2025-03-21 11:20:44.001	19.7923	g-ZTF		PSN		ZTF25aajscwm	ZTF			2025TNSTR1091....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

20704

2025-04-06 06:12:34

ZTF_Bot1

J. Sollerman, S. Covarrubias, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN Ia

0.045545

1

ZTF

2025TNSCR1306....1S

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
20704	2025-04-05 06:40:25	P60 / SEDM	2700	SEDmRobot	Yujing	ZTF	tns_2025fdu_2025-04-05_06-40-24.791598_P60_SEDM_ZTF.ascii		Object

20694

2025-04-05 17:47:10

ePESSTOplus_Bot1

C. Duffy, M. Ghendrih, M. Smith, C. Angus, O. Yaron on behalf of ePESSTO+

ePESSTO+

SN Ia

0.046

1

ePESSTO+

2025TNSCR1293....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
20694	2025-04-05 07:19:24	ESO-NTT / EFOSC2-NTT	600	C. Duffy, M. Ghendrih	M. Smith, C. Angus	ePESSTO+	tns_2025fdu_2025-04-05_07-19-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2025fdu_2025-04-05_07-19-24_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 250433 of Group Pan-STARRS
Previous RA, DEC: 16:01:26.189, +05:43:23.28 (240.3591196, +5.7231346)
Updated RA, DEC: 16:01:26.192, +05:43:23.33 (240.359135269, +5.72314641318)

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