2025cho | Transient Name Server

RA/DEC (2000)

08:03:01.469 +33:29:32.14

120.756120802 +33.4922614122

Type

SN Ia

Redshift

0.078509

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-02-20 07:30:33.998

TNS AT

Y

Public

Y

Discovery Mag

20.0327

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
	20578	2025-03-17 05:32:11	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025cho_2025-03-17_05-32-10.533131_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

2025-02-21 21:16:55 - 2025-02-21 21:16:55

2460728.386748 - 2460728.386748

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
472993	2025-02-21 21:16:55	2460728.386748			18.6	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-02-23 20:12:28 - 2025-02-23 20:12:28

2460730.341995 - 2460730.341995

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
472994	2025-02-23 20:12:28	2460730.341995	19.52	0.19		ABMag	L-GOTO	GOTO-N_GOTO-1	180

i-ZTF

P48_ZTF-Cam

2025-02-19 07:43:25 - 2025-02-19 07:43:25

2460725.8218171 - 2460725.8218171

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470592	2025-02-19 07:43:25	2460725.8218171			19.9118	ABMag	i-ZTF	P48_ZTF-Cam			[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-02-20 07:30:34 - 2025-02-20 07:30:34

2460726.8128935 - 2460726.8128935

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470593	2025-02-20 07:30:34	2460726.8128935	20.0327	0.159805		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-02-22 05:52:25 - 2025-02-22 05:52:25

2460728.7447338 - 2460728.7447338

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470594	2025-02-22 05:52:25	2460728.7447338	19.4659	0.112993		ABMag	g-ZTF	P48_ZTF-Cam

g-P1

PS1_GPC1

2025-02-28 05:49:35 - 2025-02-28 05:49:35

2460734.74277 - 2460734.74277

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
472442	2025-02-28 05:49:35	2460734.74277	18.65	0.09	21	ABMag	g-P1	PS1_GPC1	27	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
246453	2025-03-01 18:06:59	GOTO_bot	G. Ramsay,D. O'Neill,K. Ackley et al.	GOTO	GOTO	08:03:01.455	+33:29:32.09	2025-02-23 20:12:27.936	19.52	L-GOTO		Other		GOTO25ayb	GOTO				N
246223	2025-02-28 11:27:08	YSE_Bot1	D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al.	YSE	Pan-STARRS	08:03:01.469	+33:29:32.14	2025-02-28 05:49:35.328	18.65	g-P1		PSN		PS25xi	Pan-STARRS				N
245379	2025-02-22 06:39:25	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	08:03:01.461	+33:29:32.25	2025-02-20 07:30:33.998	20.0327	r-ZTF		PSN		ZTF25aagdrsk	ZTF			2025TNSTR.725....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

20578

2025-03-17 17:52:49

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

0.078509

1

ZTF

2025TNSCR1020....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
20578	2025-03-17 05:32:11	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025cho_2025-03-17_05-32-10.533131_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 246223 of Group Pan-STARRS
Previous RA, DEC: 08:03:01.461, +33:29:32.25 (120.7560889, +33.4922922)
Updated RA, DEC: 08:03:01.469, +33:29:32.14 (120.756120802, 33.4922614122)

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