2025bu | Transient Name Server

RA/DEC (2000)

03:22:09.360 -18:52:24.50

50.5389983159 -18.8734722301

Type

SN II

Redshift

0.0254

Discovery Report Classification Report

Reporting Group

BlackGEM

Discovering Data Source

BlackGEM

Discovery Date

2025-01-03 01:18:17.000

TNS AT

Y

Public

Y

Discovery Mag

20.23

Filter

BG-q-BlackGem

Reporter/s

P. Groot, H. Tranin, F. Stoppa, D. Pieterse, G. Ramsay, S. Faris, P. Vreeswijk, N. Blagorodnova, J. van Roestel, H. Wichern, S. Scaringi

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

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
	20216	2025-01-20 03:49:27	Lick-3m / KAST	1870	K. Taggart	K. Taggart	UCSC	tns_2025bu_2025-01-20_03-49-26.99_Lick-3m_KAST_UCSC.flm		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

2025-01-15 21:47:38 - 2025-01-15 21:47:38

2460691.408076 - 2460691.408076

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
464692	2025-01-15 21:47:38	2460691.408076			17.9	ABMag	L-GOTO	GOTO-N_GOTO-2	180		[Last non detection]

i-P1

PS2_GPC2

2025-01-04 06:32:49 - 2025-01-04 06:32:49

2460679.77279 - 2460679.77279

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
461033	2025-01-04 06:32:49	2460679.77279	19.98	0.2	20.7	ABMag	i-P1	PS2_GPC2	27	Robot

orange-ATLAS

ATLAS-CHL_ATLAS-04

2025-01-06 04:17:15 - 2025-01-07 03:15:34

2460681.67865 - 2460682.63581

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
461450	2025-01-07 03:15:34	2460682.63581	18.931	0.185	19.09	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot
461449	2025-01-06 04:17:15	2460681.67865			19.29	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

L-GOTO

GOTO-N_GOTO-1

2025-01-25 20:53:19 - 2025-01-25 20:53:19

2460701.370364 - 2460701.370364

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
464693	2025-01-25 20:53:19	2460701.370364	17.64	0.11		ABMag	L-GOTO	GOTO-N_GOTO-1	180

BG-q-BlackGem

BG4_BlackGEM-Cam4

2025-01-02 01:22:24 - 2025-01-03 01:18:17

2460677.5572222 - 2460678.5543634

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
460943	2025-01-03 01:18:17	2460678.5543634	20.23	0.12	21.47	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic
460942	2025-01-02 01:22:24	2460677.5572222			21.32	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2025-01-11 04:29:22 - 2025-01-11 04:29:22

2460686.6870602 - 2460686.6870602

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
461998	2025-01-11 04:29:22	2460686.6870602	18.7302	0.112312		ABMag	r-ZTF	P48_ZTF-Cam

g-ZTF

P48_ZTF-Cam

2024-12-30 04:25:22 - 2025-01-03 02:58:03

2460674.6842824 - 2460678.6236458

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
461997	2025-01-03 02:58:03	2460678.6236458	20.1834	0.290662		ABMag	g-ZTF	P48_ZTF-Cam
461996	2024-12-30 04:25:22	2460674.6842824			19.805	ABMag	g-ZTF	P48_ZTF-Cam			[Last non detection]

w-P1

PS1_GPC1

2025-01-06 06:21:57 - 2025-01-06 06:21:57

2460681.76524 - 2460681.76524

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
466579	2025-01-06 06:21:57	2460681.76524	19.49	0.04	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

243355

2025-02-03 15:59:45

PS1_Bot1

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

Pan-STARRS

Pan-STARRS

03:22:09.360

-18:52:24.50

2025-01-06 06:21:56.736

19.49

w-P1

PSN

PS25am

Pan-STARRS

N

242470

2025-01-26 09:11:37

GOTO_bot

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

GOTO

GOTO

03:22:09.356

-18:52:24.74

2025-01-25 20:53:19.104

17.64

L-GOTO

Other

GOTO25qb

GOTO

N

240978

2025-01-11 07:20:52

Fritz

Jesper Sollerman (SU),Christoffer Fremling (Caltech),Daniel Perley (LJMU) et al.

ZTF

ZTF

03:22:09.343

-18:52:24.67

2025-01-03 02:58:02.997

20.1834

g-ZTF

PSN

ZTF25aaboypc

ZTF

N

240707

2025-01-07 10:16:35

ATLAS_Bot1

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

ATLAS

ATLAS

03:22:09.356

-18:52:24.30

2025-01-07 03:15:33.984

18.931

orange-ATLAS

PSN

ATLAS25ahb

ATLAS

N

240515

2025-01-05 19:34:10

YSE_Bot1

D. O. Jones (UC Santa Cruz),K. D. French (Carnegie,Illinois) et al.

YSE

Pan-STARRS

03:22:09.357

-18:52:24.56

2025-01-04 06:32:49.056

19.98

i-P1

PSN

PS25am

Pan-STARRS

N

240468

2025-01-04 20:34:02

BlackGEM_Bot1

P. Groot,H. Tranin,F. Stoppa et al.

BlackGEM

BlackGEM

03:22:09.373

-18:52:24.34

2025-01-03 01:18:17.000

20.23

BG-q-BlackGem

1

PSN

BGEM J032209.37-185224.3

BlackGEM

2025TNSTR..46....1G

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2025bu_atrep_240468_BlackGEM.pdf	Finding Chart	2025-01-04 20:34:05	BlackGEM_Bot1

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

20216

2025-01-21 22:38:33

Kirsty Taggart

K. Taggart, R. J. Foley (UCSC)

UCSC

SN II

0.0254

1

UCSC

2025TNSCR.296....1T

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
20216	2025-01-20 03:49:27	Lick-3m / KAST	1870	K. Taggart	K. Taggart	UCSC	tns_2025bu_2025-01-20_03-49-26.99_Lick-3m_KAST_UCSC.flm		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 243355 of Group Pan-STARRS
Previous RA, DEC: 03:22:09.373, -18:52:24.34 (50.539054, -18.873428)
Updated RA, DEC: 03:22:09.360, -18:52:24.50 (50.5389983159, -18.8734722301)

Log in or register to post comments

Log in or register to post comments