2025cfc | Transient Name Server

RA/DEC (2000)

10:29:47.522 +13:00:53.66

157.448008801 +13.0149060132

Type

SN II

Redshift

Discovery Report Classification Report

Related AstroNotes: 2025-68

Reporting Group

GOTO

Discovering Data Source

GOTO

Discovery Date

2025-02-20 21:43:26.688

TNS AT

Y

Public

Y

Discovery Mag

17.75

Filter

L-GOTO

Reporter/s

G. Ramsay, D. O'Neill, K. Ackley, M. Dyer, F. Jiménez-Ibarra, J. Lyman, K. Ulaczyk, D. Steeghs, D. Galloway, V. Dhillon, P. O'Brien, K. Noysena, R. Kotak, R. Breton, L. Nuttall, E. Pallé, D. Pollacco, T. Killestein, A. Kumar, on behalf of GOTO collaboration

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
	20435	2025-02-22 03:25:24	SOAR / Goodman		Jonathan Carney, Igor Andreoni (UNC)	Jonathan Carney (UNC)	ZTF	tns_2025cfc_2025-02-22_03-25-23.757_SOAR_Goodman_ZTF.ascii		Object
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), ▌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-1

2025-02-19 04:18:19 - 2025-02-20 21:43:27

2460725.679391 - 2460727.405166

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470334	2025-02-20 21:43:27	2460727.405166	17.75	0.05		ABMag	L-GOTO	GOTO-N_GOTO-1	180
470333	2025-02-19 04:18:19	2460725.679391			19.3	ABMag	L-GOTO	GOTO-N_GOTO-1	180		[Last non detection]

BG-q-BlackGem

BG3_BlackGEM-Cam3

2025-02-25 04:27:41 - 2025-02-25 04:27:41

2460731.6858912 - 2460731.6858912

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471664	2025-02-25 04:27:41	2460731.6858912	16.21	0.02	20.32	ABMag	BG-q-BlackGem	BG3_BlackGEM-Cam3	60	robotic

BG-q-BlackGem

BG2_BlackGEM-Cam2

2025-01-28 04:58:24 - 2025-01-28 04:58:24

2460703.7072222 - 2460703.7072222

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471663	2025-01-28 04:58:24	2460703.7072222			20.72	ABMag	BG-q-BlackGem	BG2_BlackGEM-Cam2	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-02-24 08:26:22 - 2025-02-24 08:26:22

2460730.8516435 - 2460730.8516435

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471702	2025-02-24 08:26:22	2460730.8516435	16.2744	0.033334		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2025-02-24 07:09:04 - 2025-02-25 09:27:25

2460730.797963 - 2460731.8940394

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
471703	2025-02-25 09:27:25	2460731.8940394	16.1221	0.0315208		ABMag	g-ZTF	P48_ZTF-Cam
471701	2025-02-24 07:09:04	2460730.797963			20.0364	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2025-02-21 11:27:32 - 2025-02-21 11:27:32

2460727.97745 - 2460727.97745

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470370	2025-02-21 11:27:32	2460727.97745	17.155	0.037	19.48	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2025-02-20 13:03:40 - 2025-02-20 13:03:40

2460727.04421 - 2460727.04421

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
470369	2025-02-20 13:03:40	2460727.04421			19.38	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2025-03-29 06:12:53 - 2025-03-29 06:12:53

2460763.75895 - 2460763.75895

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
479912	2025-03-29 06:12:53	2460763.75895	16.67	0.01	22	ABMag	w-P1	PS1_GPC1	45	Robot

Other-

Other_Other

2024-02-18 23:47:40 - 2025-03-04 21:04:36

2460359.49144 - 2460739.37819

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
473787	2025-03-04 21:04:36	2460739.37819	15.8		19.2	VegaMag	Other-	Other_Other	60	Robot	MASTER-SAAO
473786	2025-03-04 20:40:26	2460739.36141	15.9		19.2	VegaMag	Other-	Other_Other	60	Robot	MASTER-SAAO
473785	2024-02-18 23:47:40	2460359.49144			19.5	VegaMag	Other-	Other_Other	60	Robot	[Last non detection] MASTER-SAAO

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

250386

2025-03-31 14:36:25

PS1_Bot1

K. C. Chambers,T. de Boer,J. Fairlamb et al.

Pan-STARRS

Pan-STARRS

10:29:47.522

+13:00:53.66

2025-03-29 06:12:53.280

16.67

w-P1

PSN

PS25awr

Pan-STARRS

N

246948

2025-03-06 19:18:24

MASTER

V.Shumkov,V.Lipunov,E.Gorbovskoy et al.

MASTER

MASTER

10:29:47.580

+13:00:54.00

2025-03-04 20:40:25.824

15.9

Other-

PSN

MASTER OT J102947.58+130054.0

MASTER

unfiltered

N

245908

2025-02-25 09:37:17

Fritz

Nabeel Rehemtulla (CIERA,NU),Christoffer Fremling (Caltech) et al.

ZTF

ZTF

10:29:47.533

+13:00:53.77

2025-02-24 08:26:21.998

16.2744

r-ZTF

PSN

ZTF25aahcktj

ZTF

Bright (m_peak <= 18.5) transient candidate identified autonomously by BTSbot (Rehemtulla et al. 2024; arXiv:2401.15167).

N

245889

2025-02-25 08:21:05

BlackGEM_Bot1

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

BlackGEM

BlackGEM

10:29:47.519

+13:00:53.42

2025-02-25 04:27:41.000

16.21

BG-q-BlackGem

1

PSN

BGEM J102947.51+130053.4

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2025cfc_atrep_245889_BlackGEM.pdf	Finding Chart	2025-02-25 08:21:07	BlackGEM_Bot1

245293

2025-02-21 14:43:43

ATLAS_Bot1

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

ATLAS

ATLAS

10:29:47.533

+13:00:53.77

2025-02-21 11:27:31.680

17.155

orange-ATLAS

PSN

ATLAS25bvl

ATLAS

N

245275

2025-02-21 09:07:26

GOTO_bot

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

GOTO

GOTO

10:29:47.512

+13:00:53.51

2025-02-20 21:43:26.688

17.75

L-GOTO

Other

GOTO25anu

GOTO

2025TNSTR.703....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

20435

2025-02-22 21:18:47

Jonathan Carney

Jonathan Carney (UNC), Wynn Jacobson-Galan (Caltech), Jesper Sollerman (OKC), Igor Andreoni (UNC) on behalf of the ZTF Collaboration

ZTF

SN II

1

ZTF

Strong flash features

2025TNSCR.731....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
20435	2025-02-22 03:25:24	SOAR / Goodman		Jonathan Carney, Igor Andreoni (UNC)	Jonathan Carney (UNC)	ZTF	tns_2025cfc_2025-02-22_03-25-23.757_SOAR_Goodman_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 250386 of Group Pan-STARRS
Previous RA, DEC: 10:29:47.519, +13:00:53.42 (157.447996, +13.014839)
Updated RA, DEC: 10:29:47.522, +13:00:53.66 (157.448008801, +13.0149060132)

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Object coordinates updated

Object coordinates updated according to AT-report 245889 of Group BlackGEM
Previous RA, DEC: 10:29:47.533, +13:00:53.77 (157.448055833, +13.0149375)
Updated RA, DEC: 10:29:47.519, +13:00:53.42 (157.447996, 13.014839)

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Object coordinates updated

Object coordinates updated according to AT-report 245293 of Group ATLAS
Previous RA, DEC: 10:29:47.512, +13:00:53.51 (157.447965, +13.014863)
Updated RA, DEC: 10:29:47.533, +13:00:53.77 (157.448055833, 13.0149375)

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