2025ikg | Transient Name Server

RA/DEC (2000)

15:13:01.518 +34:39:56.88

228.256326506 +34.6658005503

Type

SN Ia

Redshift

0.07177

Discovery Report Classification Report

Related AstroNotes: 2026-218

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-04-25 09:24:39.997

TNS AT

Y

Public

Y

Host Name

SDSS J151301.51+343958.8

Host Redshift

0.07177

Discovery Mag

19.8928

Filter

g-ZTF

Reporter/s

A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, A. Mourao, S. Jurado, L. Hernandez-Garcia, L. Galbany, J. Silva-Farfan, R. Dastidar, J.P. Brandt, A. Alvarez, G. Cabrera-Vives, R. Carrasco-Davis, P.A. Estevez, B. Gamboa, P. Huijse, H. Larranaga, C. Mansilla, K. Medina, D. Moreno, E. Munoz, I. Reyes, P. Sanchez-Saez, D. Rodriguez-Mancini, M. Catelan, S. Eyheramendy, M.J. Graham on behalf of the ALeRCE broker

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
	21074	2025-05-10 07:13:29	P60 / SEDM	2700	SEDmRobot	Yujing	ZTF	tns_2025ikg_2025-05-10_07-13-29.341239_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 z-step: v-step: Remarks

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

Clear-

LAST_LAST-Cam

2024-03-04 02:05:36 - 2025-05-02 20:12:23

2460373.58722 - 2460798.34193

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485655	2025-05-02 20:12:23	2460798.34193	18.73			ABMag	Clear-	LAST_LAST-Cam	400
485654	2024-03-04 02:05:36	2460373.58722			22.07	ABMag	Clear-	LAST_LAST-Cam	7860		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-05-07 00:49:20 - 2025-05-07 00:49:20

2460802.534262 - 2460802.534262

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
488122	2025-05-07 00:49:20	2460802.534262	18.09	0.09		ABMag	L-GOTO	GOTO-N_GOTO-2	180

L-GOTO

GOTO-N_GOTO-1

2025-04-06 23:41:56 - 2025-04-06 23:41:56

2460772.487445 - 2460772.487445

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
488121	2025-04-06 23:41:56	2460772.487445			19.1	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-04-22 12:05:19 - 2025-04-22 12:05:19

2460788.0036921 - 2460788.0036921

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
484241	2025-04-22 12:05:19	2460788.0036921			20.1147	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2025-04-25 09:24:40 - 2025-04-25 09:24:40

2460790.8921296 - 2460790.8921296

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
484242	2025-04-25 09:24:40	2460790.8921296	19.8928	0.188971	20.8047	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

cyan-ATLAS

ATLAS-MLO_ATLAS-01

2025-04-26 12:31:31 - 2025-04-27 12:17:39

2460792.02189 - 2460793.01226

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
485517	2025-04-27 12:17:39	2460793.01226	19.397	0.198	19.49	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot
485516	2025-04-26 12:31:31	2460792.02189			19.54	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

i-P1

PS1_GPC1

2025-05-07 11:20:52 - 2025-05-07 11:20:52

2460802.97282 - 2460802.97282

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
491121	2025-05-07 11:20:52	2460802.97282	18.86	0.09	20.7	ABMag	i-P1	PS1_GPC1	45	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
256535	2025-05-24 22:44:41	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	15:13:01.518	+34:39:56.88	2025-05-07 11:20:51.648	18.86	i-P1		PSN		PS25cvp	Pan-STARRS				N
254966	2025-05-14 13:14:07	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	15:13:01.509	+34:39:57.28	2025-05-07 00:49:20.064	18.09	L-GOTO		Other		GOTO25cpe	GOTO				N
253453	2025-05-02 20:39:29	LAST_Bot1	R. Konno (WIS), E. A. Zimmerman (WIS), A. Horowicz (WIS) et al.	LAST	LAST	15:13:01.476	+34:39:56.93	2025-05-02 20:12:22.752	18.73	Clear-		PSN			LAST				N
253382	2025-05-02 13:51:16	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	15:13:01.518	+34:39:57.52	2025-04-27 12:17:39.264	19.397	cyan-ATLAS		PSN		ATLAS25ems	ATLAS				N
252665	2025-04-25 19:03:39	ALeRCE	A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al.	ALeRCE	ZTF	15:13:01.519	+34:39:56.76	2025-04-25 09:24:39.997	19.8928	g-ZTF		PSN	SDSS J151301.51+343958.8	ZTF18aawrotg	ZTF		Early SN candidate (g-rise > 0.31+-0.06 mag/day) classified using ALeRCE's stamp classifier (Carrasco-Davis et al. 2021) and the public ZTF stream. Discovery image and light curve in http://alerce.online/object/ZTF18aawrotg	2025TNSTR1532....1M	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21074

2025-05-20 19:11:14

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

0.07177

1

ZTF

2025TNSCR1858....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
21074	2025-05-10 07:13:29	P60 / SEDM	2700	SEDmRobot	Yujing	ZTF	tns_2025ikg_2025-05-10_07-13-29.341239_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 256535 of Group Pan-STARRS
Previous RA, DEC: 15:13:01.519, +34:39:56.76 (228.2563296, +34.6657675)
Updated RA, DEC: 15:13:01.518, +34:39:56.88 (228.256326506, +34.6658005503)

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