2024vhe | Transient Name Server

RA/DEC (2000)

03:29:25.250 -33:45:12.64

52.355208 -33.753511

Type

SLSN-I

Redshift

0.28

Discovery Report Classification Report

Reporting Group

BlackGEM

Discovering Data Source

BlackGEM

Discovery Date

2024-09-05 05:47:36.000

TNS AT

Y

Public

Y

Discovery Mag

20.86

Filter

BG-q-BlackGem

Reporter/s

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

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
	19121	2024-12-10 23:28:06	SALT / RSS	2400.14	D. Buckley, I. M. Monageng (SAAO)	I. M. Monageng (SAAO)	BlackGEM	tns_2024vhe_2024-12-10_23-28-06.085_SALT_RSS_BlackGEM.txt	tns_2024vhe_2024-12-10_23-28-06.085_SALT_RSS_BlackGEM.fits	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-S_GOTO-3

2024-09-15 14:11:27 - 2024-09-16 16:28:57

2460569.091286 - 2460570.186773

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
434731	2024-09-16 16:28:57	2460570.186773	19.38	0.17		ABMag	L-GOTO	GOTO-S_GOTO-3	360
434730	2024-09-15 14:11:27	2460569.091286			19.4	ABMag	L-GOTO	GOTO-S_GOTO-3	180		[Last non detection]

cyan-ATLAS

ATLAS-CHL_ATLAS-04

2024-09-28 08:24:45 - 2024-09-28 08:24:45

2460581.85052 - 2460581.85052

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
436308	2024-09-28 08:24:45	2460581.85052	19.168	0.136	19.55	ABMag	cyan-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

orange-ATLAS

ATLAS-STH_ATLAS-03

2024-09-27 00:19:21 - 2024-09-27 00:19:21

2460580.51344 - 2460580.51344

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
436307	2024-09-27 00:19:21	2460580.51344			19.38	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

BG-q-BlackGem

BG4_BlackGEM-Cam4

2024-09-05 05:47:36 - 2024-09-05 05:47:36

2460558.7413889 - 2460558.7413889

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
432868	2024-09-05 05:47:36	2460558.7413889	20.86	0.16	21.5	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic

BG-q-BlackGem

BG2_BlackGEM-Cam2

2024-09-04 08:42:52 - 2024-09-04 08:42:52

2460557.8631019 - 2460557.8631019

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
432867	2024-09-04 08:42:52	2460557.8631019			21.36	ABMag	BG-q-BlackGem	BG2_BlackGEM-Cam2	60	robotic	[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2024-08-03 07:52:19 - 2024-10-01 23:52:48

2460525.828 - 2460585.495

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
438001	2024-10-01 23:52:48	2460585.495	18.99	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
438000	2024-08-03 07:52:19	2460525.828			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		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

227765

2024-10-05 10:23:19

Gaia_Bot1

S.T. Hodgkin,E. Breedt,A. Delgado et al.

GaiaAlerts

GaiaAlerts

03:29:25.250

-33:45:12.64

2024-10-01 23:52:48.000

18.99

G-Gaia

PSN

Gaia24cuq

GaiaAlerts

Apparently hostless transient

N

227052

2024-09-28 23:24:42

ATLAS_Bot1

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

ATLAS

ATLAS

03:29:25.251

-33:45:12.45

2024-09-28 08:24:44.928

19.168

cyan-ATLAS

PSN

ATLAS24opd

ATLAS

N

226300

2024-09-23 16:41:37

GOTO_bot

B. Godson,G. Ramsay,K. Ackley et al.

GOTO

GOTO

03:29:25.214

-33:45:12.50

2024-09-16 16:28:56.928

19.38

L-GOTO

Other

GOTO24ges

GOTO

N

225370

2024-09-12 15:41:08

BlackGEM_Bot1

P. Groot,S. Faris,H. Tranin et al.

BlackGEM

BlackGEM

03:29:25.277

-33:45:12.47

2024-09-05 05:47:36.000

20.86

BG-q-BlackGem

1

PSN

BGEM J032925.27-334512.4

BlackGEM

2024TNSTR3460....1G

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024vhe_atrep_225370_BlackGEM.pdf	Finding Chart	2024-09-12 15:41:10	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

19026

2024-12-30 08:23:19

Erez Zimmerman

E. A. Zimmerman (Weizmann), D. Buckley, I. M. Monageng (SAAO), G. Leloudas, S. De Wet (DTU Space), A. Gal-Yam, I. Irani (WIS), N. Blagorodnova, H. Tranin (Barcelona), P. J. Groot (Radboud/UCT/SAAO), A. Levan, P. Vreeswijk (Radboud), J. van Roestel (UvA), S. Scaringi (Durham), S. Faris, I. Arcavi (Tel Aviv)

BlackGEM

SLSN-I

0.28

1

1

BlackGEM

Classification based on SNID - fits Ic and Ic-BL spectra. Due to redshift and magnitude, we classify as SLSN.

2024TNSCR5162....1Z

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024vhe_classrep_19026_BlackGEM.pdf	Snid results	2024-12-30 08:23:19	Erez Zimmerman

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
19121	2024-12-10 23:28:06	SALT / RSS	2400.14	D. Buckley, I. M. Monageng (SAAO)	I. M. Monageng (SAAO)	BlackGEM	tns_2024vhe_2024-12-10_23-28-06.085_SALT_RSS_BlackGEM.txt	tns_2024vhe_2024-12-10_23-28-06.085_SALT_RSS_BlackGEM.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 227765 of Group GaiaAlerts
Previous RA, DEC: 03:29:25.277, -33:45:12.47 (52.355321, -33.753464)
Updated RA, DEC: 03:29:25.250, -33:45:12.64 (52.355208, -33.753511)

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