2025cha | Transient Name Server

RA/DEC (2000)

14:01:07.092 +21:14:34.68

210.279549563 +21.2429678569

Type

SN II

Redshift

0.027749

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-02-21 10:38:47.999

TNS AT

Y

Public

Y

Host Name

WISEA J140108.99+211419.3

Discovery Mag

18.1155

Filter

g-ZTF

Reporter/s

S. Jurado, F.E. Bauer, F. Forster, 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
	20554	2025-03-10 03:21:16	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath	Jacob Wise	ZTF	tns_2025cha_2025-03-10_03-21-16.331_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

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

L-GOTO

GOTO-N_GOTO-2

2025-02-20 06:07:52 - 2025-02-22 01:43:23

2460726.755463 - 2460728.571788

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471022	2025-02-22 01:43:23	2460728.571788	18.31	0.09		ABMag	L-GOTO	GOTO-N_GOTO-2	180
471021	2025-02-20 06:07:52	2460726.755463			19	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

w-P1

PS2_GPC2

2025-02-21 12:44:44 - 2025-02-21 12:44:44

2460728.03106 - 2460728.03106

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
474368	2025-02-21 12:44:44	2460728.03106	18.18	0.03	22	ABMag	w-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2025-02-19 11:22:18 - 2025-02-19 11:22:18

2460725.9738194 - 2460725.9738194

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470542	2025-02-19 11:22:18	2460725.9738194			20.0363	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

g-ZTF

P48_ZTF-Cam

2025-02-21 10:38:48 - 2025-02-21 10:38:48

2460727.9436111 - 2460727.9436111

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470543	2025-02-21 10:38:48	2460727.9436111	18.1155	0.0818284	20.2457	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-02-21 13:14:32 - 2025-02-21 13:14:32

2460728.05176 - 2460728.05176

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470777	2025-02-21 13:14:32	2460728.05176			19.53	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-02-22 09:46:54 - 2025-02-22 09:46:54

2460728.90757 - 2460728.90757

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470778	2025-02-22 09:46:54	2460728.90757	18.224	0.119	19	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	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
247286	2025-03-09 16:51:29	PS1_Bot1	K. C. Chambers, T. de Boer, J. Fairlamb et al.	Pan-STARRS	Pan-STARRS	14:01:07.092	+21:14:34.68	2025-02-21 12:44:43.584	18.18	w-P1		PSN		PS25aaq	Pan-STARRS				N
245627	2025-02-23 09:59:16	GOTO_bot	G. Ramsay, K. Ackley, M. Dyer et al.	GOTO	GOTO	14:01:07.093	+21:14:34.00	2025-02-22 01:43:22.656	18.31	L-GOTO		Other		GOTO25ari	GOTO				N
245457	2025-02-22 16:54:28	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland et al.	ATLAS	ATLAS	14:01:07.131	+21:14:34.54	2025-02-22 09:46:54.048	18.224	orange-ATLAS		PSN		ATLAS25bvo	ATLAS				N
245354	2025-02-21 19:40:18	ALeRCE	S. Jurado, F.E. Bauer, F. Forster et al.	ALeRCE	ZTF	14:01:07.132	+21:14:34.66	2025-02-21 10:38:47.999	18.1155	g-ZTF		PSN	WISEA J140108.99+211419.3	ZTF19abvqtkz	ZTF		Early SN candidate (g-rise > 0.86+-0.04 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/ZTF19abvqtkz	2025TNSTR.699....1J	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

20554

2025-03-10 14:27:48

Jacob Wise

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

ZTF

SN II

0.027749

1

ZTF

Spectrum displays weak hydrogen P-Cygni features characteristic of a SN II superimposed on emission from strong star forming host. Redshift of z = 0.027749 ± 0.000006 from SDSS DR13.

2025TNSCR.948....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
20554	2025-03-10 03:21:16	LT / SPRAT		Daniel Perley, Jacob Wise, K-Ryan Hinds, Aleksandra Bochenek, Zoe McGrath	Jacob Wise	ZTF	tns_2025cha_2025-03-10_03-21-16.331_LT_SPRAT_ZTF.spec		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 247286 of Group Pan-STARRS
Previous RA, DEC: 14:01:07.132, +21:14:34.66 (210.2797185, +21.2429607)
Updated RA, DEC: 14:01:07.092, +21:14:34.68 (210.279549563, 21.2429678569)

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