2025qpm | Transient Name Server

RA/DEC (2000)

18:37:43.302 +60:48:01.58

279.43042589333 +60.800440233333

Type

SN II

Redshift

0.0295

Discovery Report Classification Report

Related AstroNotes: 2025-229

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-07-08 08:55:36.998

TNS AT

Y

Public

Y

Discovery Mag

18.6252

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
	21702	2025-07-21 04:56:14	Lick-3m / KAST		Daniel Perley, Zoe McGrath, Aleksandra Bochenek	Daniel Perley, Zoe McGrath, Jacob Wise, Aleksandra Bochenek	ZTF	tns_2025qpm_2025-07-21_04-56-14_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
	21586	2025-07-20 23:19:05	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath	Jacob Wise	ZTF	tns_2025qpm_2025-07-20_23-19-04.897_LT_SPRAT_ZTF.spec		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
	21519	2025-07-13 00:00:00	UH88 / SNIFS	1800	Hoogendam	Hoogendam	SCAT	tns_2025qpm_2025-07-13_UH88_SNIFS_SCAT.dat		Object			Dichroic from ~4900-5200 masked.
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 Dichroic from ~4900-5200 masked.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

L-GOTO

GOTO-N_GOTO-2

2025-06-28 01:00:08 - 2025-07-13 01:20:33

2460854.541763 - 2460869.555939

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
502274	2025-07-13 01:20:33	2460869.555939	17.88	0.1		ABMag	L-GOTO	GOTO-N_GOTO-2	180
502273	2025-06-28 01:00:08	2460854.541763			19.7	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-07-06 08:40:35 - 2025-07-08 08:55:37

2460862.8615162 - 2460864.871956

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
501443	2025-07-08 08:55:37	2460864.871956	18.6252	0.103303		ABMag	r-ZTF	P48_ZTF-Cam
502503	2025-07-08 08:55:37	2460864.871956	18.6252	0.103303	20.2473	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
502502	2025-07-06 08:40:35	2460862.8615162			20.4387	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

g-ZTF

P48_ZTF-Cam

2025-07-06 09:48:05 - 2025-07-08 10:12:10

2460862.9083912 - 2460864.9251157

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
501444	2025-07-08 10:12:10	2460864.9251157	18.2461	0.0648138		ABMag	g-ZTF	P48_ZTF-Cam
501442	2025-07-06 09:48:05	2460862.9083912			20.9278	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-07-09 10:39:23 - 2025-07-09 10:39:23

2460865.94402 - 2460865.94402

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
501904	2025-07-09 10:39:23	2460865.94402	18.233	0.108	18.97	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-07-07 11:50:49 - 2025-07-07 11:50:49

2460863.99362 - 2460863.99362

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
501903	2025-07-07 11:50:49	2460863.99362			18.36	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
262479	2025-07-14 18:16:02	Fink	Julien Peloton,Anais Moller,Emille E. O. Ishida on behalf of the Fink broker et al.	Fink	ZTF	18:37:43.302	+60:48:01.58	2025-07-08 08:55:36.998	18.6252	r-ZTF		PSN		ZTF25abakxkw	ZTF		Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25abakxkw		N
262372	2025-07-13 08:07:11	GOTO_bot	D. O'Neill,G. Ramsay,K. Ackley et al.	GOTO	GOTO	18:37:43.276	+60:48:01.29	2025-07-13 01:20:33.216	17.88	L-GOTO		Other		GOTO25etq	GOTO				N
262098	2025-07-11 11:44:08	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	18:37:43.291	+60:48:01.75	2025-07-09 10:39:23.328	18.233	orange-ATLAS		PSN		ATLAS25hgn	ATLAS				N
261845	2025-07-08 12:02:58	BTSbot_bot	Nabeel Rehemtulla (CIERA,NU),Wynn Jacobson-Galán (Caltech) et al.	ZTF	ZTF	18:37:43.311	+60:48:01.58	2025-07-08 08:55:36.998	18.6252	r-ZTF		PSN		ZTF25abakxkw	ZTF		Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).	2025TNSTR2619....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

21702

2025-08-04 19:07:32

ZTF_Bot1

J. Wise, A. Mehla, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN II

0.0295

1

ZTF

2025TNSCR3074....1W

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
21702	2025-07-21 04:56:14	Lick-3m / KAST		Daniel Perley, Zoe McGrath, Aleksandra Bochenek	Daniel Perley, Zoe McGrath, Jacob Wise, Aleksandra Bochenek	ZTF	tns_2025qpm_2025-07-21_04-56-14_Lick-3m_KAST_ZTF.ascii		Object

21586

2025-07-21 00:30:31

Jacob Wise

Jacob Wise (LJMU), Daniel Perley (LJMU), K-Ryan Hinds (LJMU), Aleksandra Bochenek (LJMU), Zoe McGrath (LJMU)

ZTF

SN II

0.0295

1

ZTF

Spectrum displays hydrogen P-Cygni profiles characteristic of a SN II. Redshift of z = 0.0295 from host galaxy emission features.

2025TNSCR2819....1W

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
21586	2025-07-20 23:19:05	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath	Jacob Wise	ZTF	tns_2025qpm_2025-07-20_23-19-04.897_LT_SPRAT_ZTF.spec		Object

21519

2025-07-14 01:14:06

Willem Hoogendam

Willem Hoogendam (IfA/Hawaii), on behalf of SCAT

SCAT

SN

0.029

1

SCAT

Redshift from the narrow Halpha line. Strong blue continuum indicative of a SN explosion. Unclear which type.

2025TNSCR2700....1H

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
21519	2025-07-13 00:00:00	UH88 / SNIFS	1800	Hoogendam	Hoogendam	SCAT	tns_2025qpm_2025-07-13_UH88_SNIFS_SCAT.dat		Object			Dichroic from ~4900-5200 masked.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 262479 of Group ZTF
Previous RA, DEC: 18:37:43.311, +60:48:01.58 (279.4304645, +60.8004398)
Updated RA, DEC: 18:37:43.302, +60:48:01.58 (279.43042589333, +60.800440233333)

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