2025aayl | Transient Name Server

RA/DEC (2000)

08:18:00.780 +23:19:17.94

124.503248326 +23.3216488891

Type

SN IIn

Redshift

0.09837

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-10-19 10:28:17.003

TNS AT

Y

Public

Y

Host Name

SDSS J081800.92+231915.6

Host Redshift

0.09836644

Discovery Mag

19.3393

Filter

g-ZTF

Reporter/s

F. Forster, F.E. Bauer, G. Pignata, A. Munoz-Arancibia, A. Mourao, 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, E. Pizarro, 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
	22625	2025-12-15 08:23:59	Lick-3m / KAST		Erica Hammerstein, Natalie LeBaron, Ryan Chornock	Ryan Chornock	ZTF	tns_2025aayl_2025-12-15_08-23-59_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

wide-ATLAS

ATLAS-TDO_ATLAS-05

2025-10-20 03:55:28 - 2025-10-20 03:55:28

2460968.66352 - 2460968.66352

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
525128	2025-10-20 03:55:28	2460968.66352	19.125	0.103	19.89	ABMag	wide-ATLAS	ATLAS-TDO_ATLAS-05	30	Robot

g-WFST

WFST_WFST-WFC

2025-10-24 21:57:36 - 2025-10-24 21:57:36

2460973.415 - 2460973.415

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
568289	2025-10-24 21:57:36	2460973.415	19.17	0.02		ABMag	g-WFST	WFST_WFST-WFC	30

Clear-

LAST_LAST-Cam

2025-03-25 17:59:54 - 2025-11-20 00:15:42

2460760.24993 - 2460999.5109

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
532635	2025-11-20 00:15:42	2460999.5109	18.62			ABMag	Clear-	LAST_LAST-Cam	400
532634	2025-03-25 17:59:54	2460760.24993			20.26	ABMag	Clear-	LAST_LAST-Cam	400		[Last non detection]

L-GOTO

GOTO-N_GOTO-2

2025-10-05 05:05:19 - 2025-10-21 04:12:16

2460953.712023 - 2460969.675194

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
532417	2025-10-21 04:12:16	2460969.675194	19.21	0.12		ABMag	L-GOTO	GOTO-N_GOTO-2	180
532416	2025-10-05 05:05:19	2460953.712023			19.4	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

w-P1

PS2_GPC2

2025-11-30 12:11:54 - 2025-11-30 12:11:54

2461010.00826 - 2461010.00826

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
546858	2025-11-30 12:11:54	2461010.00826	18.08	0.01	22	ABMag	w-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2025-10-16 12:31:37 - 2025-10-16 12:31:37

2460965.021956 - 2460965.021956

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
525040	2025-10-16 12:31:37	2460965.021956			20.2472	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2025-10-19 10:28:17 - 2025-10-19 10:28:17

2460967.9363079 - 2460967.9363079

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
525041	2025-10-19 10:28:17	2460967.9363079	19.3393	0.0982896	20.326	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-10-19 14:41:02 - 2025-10-19 14:41:02

2460968.11183 - 2460968.11183

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
525127	2025-10-19 14:41:02	2460968.11183			19.25	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
296429	2026-03-20 10:34:52	WFST_SN	Zelin Xu, Dezheng Meng, Ji-an Jiang et al.	WFST	WFST	08:18:00.780	+23:19:17.91	2025-10-24 21:57:36.000	19.17	g-WFST		PSN		WFST251024bubid	WFST				N
285533	2026-01-01 21:47:58	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	08:18:00.780	+23:19:17.94	2025-11-30 12:11:53.664	18.08	w-P1		PSN		PS25mkz	Pan-STARRS				N
277703	2025-11-20 05:02:04	LAST_Bot1	E. O. Ofek (WIS), R. Konno (WIS), E. A. Zimmerman (WIS) et al.	LAST	LAST	08:18:00.786	+23:19:17.86	2025-11-20 00:15:41.760	18.62	Clear-		PSN			LAST				N
277596	2025-11-18 22:42:58	GOTO_bot	D. O'Neill, K. Ackley, M. Dyer et al.	GOTO	GOTO	08:18:00.803	+23:19:17.92	2025-10-21 04:12:16.416	19.21	L-GOTO		Other		GOTO25kbz	GOTO				N
274034	2025-10-20 08:38:17	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	08:18:00.814	+23:19:18.14	2025-10-20 03:55:28.128	19.125	wide-ATLAS		PSN		ATLAS25myz	ATLAS				N
273993	2025-10-19 22:58:22	ALeRCE	F. Forster, F.E. Bauer, G. Pignata et al.	ALeRCE	ZTF	08:18:00.779	+23:19:18.16	2025-10-19 10:28:17.003	19.3393	g-ZTF		PSN	SDSS J081800.92+231915.6	ZTF25abxjtkv	ZTF		Early SN candidate (g-rise > 0.25+-0.03 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/ZTF25abxjtkv	2025TNSTR4181....1F	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

22624

2025-12-18 00:20:50

ZTF_Bot1

R. Chornock, J. Castaneda Jaimes, M. Chu, C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN IIn

0.09837

1

ZTF

2025TNSCR5055....1C

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
22625	2025-12-15 08:23:59	Lick-3m / KAST		Erica Hammerstein, Natalie LeBaron, Ryan Chornock	Ryan Chornock	ZTF	tns_2025aayl_2025-12-15_08-23-59_Lick-3m_KAST_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 285533 of Group Pan-STARRS
Previous RA, DEC: 08:18:00.779, +23:19:18.16 (124.5032453, +23.3217119)
Updated RA, DEC: 08:18:00.780, +23:19:17.94 (124.503248326, +23.3216488891)

Log in or register to post comments

Log in or register to post comments