2025aaal | Transient Name Server

RA/DEC (2000)

19:32:53.143 +56:04:17.68

293.221428193 +56.0715789043

Type

SN II

Redshift

0.026045

Discovery Report Classification Report

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2025-10-08 04:09:59.999

TNS AT

Y

Public

Y

Discovery Mag

19.9379

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
	22307	2025-10-26 05:51:56	P200 / NGPS		Wynn Jacobson-Galán	Wynn Jacobson-Galán	ZTF	tns_2025aaal_2025-10-26_05-51-56_P200_NGPS_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

wide-ATLAS

ATLAS-TDO_ATLAS-05

2025-10-24 19:49:10 - 2025-10-24 19:49:10

2460973.32581 - 2460973.32581

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
526824	2025-10-24 19:49:10	2460973.32581	19.084	0.13	20.07	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

r-ZTF

P48_ZTF-Cam

2025-10-08 04:10:00 - 2025-10-12 03:22:19

2460956.6736111 - 2460960.6404977

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
523086	2025-10-12 03:22:19	2460960.6404977	19.6483	0.144415		ABMag	r-ZTF	P48_ZTF-Cam
523085	2025-10-08 04:10:00	2460956.6736111	19.9379	0.172894		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-10-06 04:07:36 - 2025-10-06 04:07:36

2460954.6719444 - 2460954.6719444

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
523084	2025-10-06 04:07:36	2460954.6719444			20.0371	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

cyan-ATLAS

ATLAS-MLO_ATLAS-01

2025-10-24 06:36:29 - 2025-10-24 06:36:29

2460972.77534 - 2460972.77534

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
526823	2025-10-24 06:36:29	2460972.77534			19.33	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2025-10-13 05:29:22 - 2025-10-13 05:29:22

2460961.72873 - 2460961.72873

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
546013	2025-10-13 05:29:22	2460961.72873	19.58	0.08	22	ABMag	w-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
284766	2025-12-31 01:07:28	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	19:32:53.143	+56:04:17.68	2025-10-13 05:29:22.272	19.58	w-P1		PSN		PS25lly	Pan-STARRS				N
274783	2025-10-25 13:06:12	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	19:32:53.147	+56:04:17.75	2025-10-24 19:49:09.984	19.084	wide-ATLAS		PSN		ATLAS25nho	ATLAS				N
272965	2025-10-12 04:36:05	Fritz	Jesper Sollerman (SU), Christoffer Fremling (Caltech), Daniel Perley (LJMU) et al.	ZTF	ZTF	19:32:53.135	+56:04:17.63	2025-10-08 04:09:59.999	19.9379	r-ZTF		PSN		ZTF25abwnsol	ZTF			2025TNSTR4087....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

22307

2025-10-27 19:25:31

ZTF_Bot1

K. Das, A. Mehla, C. Fremling (Caltech), M. Kasliwal (Caltech) on behalf of the ZTF CATS150 collaboration

ZTF

SN II

0.026045

1

ZTF

2025TNSCR4328....1D

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
22307	2025-10-26 05:51:56	P200 / NGPS		Wynn Jacobson-Galán	Wynn Jacobson-Galán	ZTF	tns_2025aaal_2025-10-26_05-51-56_P200_NGPS_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 284766 of Group Pan-STARRS
Previous RA, DEC: 19:32:53.135, +56:04:17.63 (293.2213968, +56.0715635)
Updated RA, DEC: 19:32:53.143, +56:04:17.68 (293.221428193, +56.0715789043)

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