2025kk | Transient Name Server

RA/DEC (2000)

07:58:41.353 +02:00:10.23

119.67230549 +2.00284282

Type

SN Ia

Redshift

0.04

Discovery Report Classification Report

Reporting Group

ALeRCE

Discovering Data Source

ZTF

Discovery Date

2025-01-11 08:35:36.004

TNS AT

Y

Public

Y

Host Name

WISEA J075841.30+020009.8

Discovery Mag

19.4461

Filter

r-ZTF

Reporter/s

A. Munoz-Arancibia, F.E. Bauer, G. Pignata, F. Forster, 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, 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
	20202	2025-01-19 00:00:00	UH88 / SNIFS		C. Angus		SCAT	tns_2025kk_2025-01-19_UH88_SNIFS_SCAT.dat		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

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-01-12 04:37:24 - 2025-01-12 04:37:24

2460687.69264 - 2460687.69264

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462866	2025-01-12 04:37:24	2460687.69264			17.91	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-STH_ATLAS-03

2025-01-17 23:08:44 - 2025-01-17 23:08:44

2460693.4644 - 2460693.4644

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462867	2025-01-17 23:08:44	2460693.4644	17.608	0.105	18.79	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot

L-GOTO

GOTO-N_GOTO-1

2025-01-12 01:06:14 - 2025-01-16 22:41:05

2460687.545999 - 2460692.445204

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462575	2025-01-16 22:41:05	2460692.445204	17.98	0.12		ABMag	L-GOTO	GOTO-N_GOTO-1	180
462574	2025-01-12 01:06:14	2460687.545999			18.7	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

BG-q-BlackGem

BG4_BlackGEM-Cam4

2025-01-31 05:10:09 - 2025-01-31 05:10:09

2460706.7153819 - 2460706.7153819

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
465727	2025-01-31 05:10:09	2460706.7153819	17.89	0.03	20.88	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic

BG-q-BlackGem

ML1_MeerLICHT-Cam

2021-04-27 20:09:02 - 2021-04-27 20:09:02

2459332.3396065 - 2459332.3396065

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
465726	2021-04-27 20:09:02	2459332.3396065			20.66	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-01-09 06:52:12 - 2025-01-11 08:35:36

2460684.78625 - 2460686.8580556

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462052	2025-01-11 08:35:36	2460686.8580556	19.4461	0.148993	19.6415	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF
464957	2025-01-11 08:35:36	2460686.8580556	19.4461	0.148993	19.6415	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	Data provided by ZTF, classified by Fink
464956	2025-01-09 06:52:12	2460684.78625			18.9276	ABMag	r-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF, classified by Fink

g-ZTF

P48_ZTF-Cam

2025-01-11 06:34:08 - 2025-01-11 06:34:08

2460686.7737037 - 2460686.7737037

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
462051	2025-01-11 06:34:08	2460686.7737037			19.175	ABMag	g-ZTF	P48_ZTF-Cam	30	Robot	[Last non detection] Data provided by ZTF

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

242996

2025-01-31 08:37:03

BlackGEM_Bot1

G. Ramsay, H. Tranin, F. Stoppa et al.

BlackGEM

BlackGEM

07:58:41.342

+02:00:10.20

2025-01-31 05:10:09.000

17.89

BG-q-BlackGem

1

PSN

BGEM J075841.34+020010.1

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2025kk_atrep_242996_BlackGEM.pdf	Finding Chart	2025-01-31 08:37:05	BlackGEM_Bot1

242616

2025-01-27 20:50:34

Fink

Julien Peloton, Anais Moller, Emille E. O. Ishida on behalf of the Fink broker

Fink

ZTF

07:58:41.353

+02:00:10.23

2025-01-11 08:35:36.004

19.4461

r-ZTF

PSN

ZTF25aabqdqc

ZTF

Early SN Ia candidate classified by Fink using the public ZTF stream. Object data at https://fink-portal.org/ZTF25aabqdqc

N

241362

2025-01-18 14:32:23

ATLAS_Bot1

J. Tonry, L. Denneau, H. Weiland et al.

ATLAS

ATLAS

07:58:41.338

+02:00:10.18

2025-01-17 23:08:44.160

17.608

orange-ATLAS

PSN

ATLAS25amg

ATLAS

N

241242

2025-01-17 08:08:48

GOTO_bot

D. O'Neill, G. Ramsay, K. Ackley et al.

GOTO

GOTO

07:58:41.362

+02:00:10.28

2025-01-16 22:41:05.280

17.98

L-GOTO

Other

GOTO25ip

GOTO

N

241001

2025-01-11 16:03:20

ALeRCE

A. Munoz-Arancibia, F.E. Bauer, G. Pignata et al.

ALeRCE

ZTF

07:58:41.353

+02:00:10.09

2025-01-11 08:35:36.004

19.4461

r-ZTF

PSN

WISEA J075841.30+020009.8

ZTF25aabqdqc

ZTF

Early SN candidate (r-rise > 0.07+-0.01 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/ZTF25aabqdqc

2025TNSTR.149....1M

N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

20202

2025-01-19 12:08:40

Charlotte Angus

C. Angus (QUB) on behalf of SCAT

SCAT

SN Ia

0.04

1

SCAT

Spectrum taken with UH88/SNIFS on 19/01/2025. Template matches to SNe Ia between -9 to -5 days. Redshift measured from host galaxy H-alpha emission in the spectrum. Classification was done using SNID

2025TNSCR.261....1A

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
20202	2025-01-19 00:00:00	UH88 / SNIFS		C. Angus		SCAT	tns_2025kk_2025-01-19_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 242616 of Group ZTF
Previous RA, DEC: 07:58:41.353, +02:00:10.09 (119.6723054, +2.0028022)
Updated RA, DEC: 07:58:41.353, +02:00:10.23 (119.67230549, 2.00284282)

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