2025owk | Transient Name Server

RA/DEC (2000)

20:37:18.415 +16:31:24.37

309.32673101111 +16.523436188889

Type

SN II

Redshift

0.05

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-06-21 08:07:33.000

TNS AT

Y

Public

Y

Discovery Mag

21.0436

Filter

r-ZTF

Reporter/s

Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), 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
	21397	2025-06-24 09:30:26	Lick-3m / KAST		Jacob Wise	K-Ryan Hinds	ZTF	tns_2025owk_2025-06-24_09-30-26_Lick-3m_KAST_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

2025-06-21 16:37:25 - 2025-06-21 16:37:25

2460848.192654 - 2460848.192654

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
502676	2025-06-21 16:37:25	2460848.192654			19.9	ABMag	L-GOTO	GOTO-S_GOTO-4	180		[Last non detection]

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-06-23 10:01:19 - 2025-06-23 10:01:19

2460849.91758 - 2460849.91758

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
498661	2025-06-23 10:01:19	2460849.91758			18.6	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-07-14 02:14:43 - 2025-07-14 02:14:43

2460870.59355 - 2460870.59355

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
502677	2025-07-14 02:14:43	2460870.59355	17.69	0.04		ABMag	L-GOTO	GOTO-N_GOTO-1	180

r-ZTF

P48_ZTF-Cam

2025-06-21 08:07:33 - 2025-06-25 08:59:38

2460847.8385764 - 2460851.8747454

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
498056	2025-06-25 08:59:38	2460851.8747454	18.3568	0.0638401		ABMag	r-ZTF	P48_ZTF-Cam
500377	2025-06-23 07:09:39	2460849.7983681	18.9418	0.099046	20.6391	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
498055	2025-06-21 08:07:33	2460847.8385764	21.0436	0.209747		ABMag	r-ZTF	P48_ZTF-Cam
500376	2025-06-21 08:07:33	2460847.8385764			20.6902	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

g-ZTF

P48_ZTF-Cam

2025-06-19 09:08:57 - 2025-06-19 09:08:57

2460845.8812153 - 2460845.8812153

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
498054	2025-06-19 09:08:57	2460845.8812153			20.9195	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

cyan-ATLAS

ATLAS-MLO_ATLAS-01

2025-06-25 13:29:43 - 2025-06-25 13:29:43

2460852.0623 - 2460852.0623

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
498662	2025-06-25 13:29:43	2460852.0623	18.085	0.048	19.7	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	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
262587	2025-07-15 05:19:15	GOTO_bot	D. O'Neill, G. Ramsay, K. Ackley et al.	GOTO	GOTO	20:37:18.417	+16:31:24.55	2025-07-14 02:14:42.720	17.69	L-GOTO		Other		GOTO25evs	GOTO				N
261275	2025-07-02 18:16:21	Fink	Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker	Fink	ZTF	20:37:18.415	+16:31:24.37	2025-06-23 07:09:39.004	18.9418	r-ZTF		PSN		ZTF25aawngni	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aawngni		N
260240	2025-06-27 07:54:40	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	20:37:18.417	+16:31:24.00	2025-06-25 13:29:42.720	18.085	cyan-ATLAS		PSN		ATLAS25gnz	ATLAS				N
259984	2025-06-25 11:27:33	BTSbot_bot	Nabeel Rehemtulla (CIERA, NU), Wynn Jacobson-Galán (Caltech), Theophile du Laz (Caltech) on behalf of ZTF	ZTF	ZTF	20:37:18.408	+16:31:24.30	2025-06-21 08:07:33.000	21.0436	r-ZTF		PSN		ZTF25aawngni	ZTF		Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).	2025TNSTR2402....1R	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

21397

2025-06-26 17:48:20

ZTF_Bot1

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

ZTF

SN II

0.05

1

ZTF

2025TNSCR2424....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
21397	2025-06-24 09:30:26	Lick-3m / KAST		Jacob Wise	K-Ryan Hinds	ZTF	tns_2025owk_2025-06-24_09-30-26_Lick-3m_KAST_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 261275 of Group ZTF
Previous RA, DEC: 20:37:18.408, +16:31:24.30 (309.3266993, +16.5234166)
Updated RA, DEC: 20:37:18.415, +16:31:24.37 (309.32673101111, +16.523436188889)

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