2025eum | Transient Name Server

RA/DEC (2000)

09:59:14.412 +28:18:06.56

149.8100497875 +28.301823175

Type

SN Ia

Redshift

0.065

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-03-16 07:11:23.003

TNS AT

Y

Public

Y

Discovery Mag

19.2604

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
	20593	2025-03-20 07:01:01	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025eum_2025-03-20_07-01-00.779577_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

2025-02-24 20:45:58 - 2025-03-24 18:26:33

2460731.36525 - 2460759.26844

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
478612	2025-03-24 18:26:33	2460759.26844	18.46			ABMag	Clear-	LAST_LAST-Cam	400
478611	2025-02-24 20:45:58	2460731.36525			19.95	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-02-26 20:09:41 - 2025-02-26 20:09:41

2460733.340062 - 2460733.340062

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477363	2025-02-26 20:09:41	2460733.340062			18.1	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-03-20 21:52:15 - 2025-03-20 21:52:15

2460755.411286 - 2460755.411286

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477364	2025-03-20 21:52:15	2460755.411286	18.6	0.08		ABMag	L-GOTO	GOTO-N_GOTO-1	180

r-ZTF

P48_ZTF-Cam

2025-03-09 10:26:10 - 2025-03-19 07:49:18

2460743.934838 - 2460753.8259028

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
476863	2025-03-19 07:49:18	2460753.8259028	18.7841	0.0835502		ABMag	r-ZTF	P48_ZTF-Cam
476861	2025-03-09 10:26:10	2460743.934838			19.0951	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2025-03-09 06:14:31 - 2025-03-16 07:11:23

2460743.760081 - 2460750.7995718

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
476862	2025-03-16 07:11:23	2460750.7995718	19.2604	0.179188		ABMag	g-ZTF	P48_ZTF-Cam
478933	2025-03-16 07:11:23	2460750.7995718	19.2604	0.179188	19.7503	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
478932	2025-03-09 06:14:31	2460743.760081			19.773	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-03-21 10:02:28 - 2025-03-22 08:40:53

2460755.91838 - 2460756.86172

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
477760	2025-03-22 08:40:53	2460756.86172	18.75	0.153	19.61	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot
477759	2025-03-21 10:02:28	2460755.91838			17.79	ABMag	orange-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
249901	2025-03-25 19:29:46	Fink	Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al.	Fink	ZTF	09:59:14.412	+28:18:06.56	2025-03-16 07:11:23.004	19.2604	g-ZTF		PSN		ZTF25aaiyxzl	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aaiyxzl		N
249768	2025-03-24 19:53:26	LAST_Bot1	E. Ofek (WIS),R. Konno (WIS),E. Zimmerman (WIS) et al.	LAST	LAST	09:59:14.420	+28:18:05.98	2025-03-24 18:26:33.216	18.46	Clear-		PSN			LAST				N
249288	2025-03-22 16:48:38	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	09:59:14.420	+28:18:06.35	2025-03-22 08:40:52.608	18.75	orange-ATLAS		PSN		ATLAS25cww	ATLAS				N
249127	2025-03-21 11:05:44	GOTO_bot	A. Kumar,D. O'Neill,K. Ackley et al.	GOTO	GOTO	09:59:14.417	+28:18:06.29	2025-03-20 21:52:15.456	18.6	L-GOTO		Other		GOTO25bfc	GOTO				N
248882	2025-03-19 14:32:37	Fritz	Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.	ZTF	ZTF	09:59:14.414	+28:18:06.65	2025-03-16 07:11:23.003	19.2604	g-ZTF		PSN		ZTF25aaiyxzl	ZTF			2025TNSTR1054....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

20593

2025-03-20 07:53:35

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

0.065

1

ZTF

2025TNSCR1067....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
20593	2025-03-20 07:01:01	P60 / SEDM	2700	SEDmRobot	auto	ZTF	tns_2025eum_2025-03-20_07-01-00.779577_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 249901 of Group ZTF
Previous RA, DEC: 09:59:14.414, +28:18:06.65 (149.8100565, +28.3018477)
Updated RA, DEC: 09:59:14.412, +28:18:06.56 (149.8100497875, +28.301823175)

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