2024dgn | Transient Name Server

RA/DEC (2000)

19:28:04.904 -38:54:52.60

292.020433 -38.914611

Type

SN Ia

Redshift

0.020077

Discovery Report Classification Report

Related AstroNotes: 2024-58

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2024-02-26 09:02:01.824

TNS AT

Y

Public

Y

Discovery Mag

15.719

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, H. Weiland, A. Lawrence, R. Siverd (IfA, University of Hawaii), N. Erasmus, W. Koorts (South African Astronomical Observatory), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng, P. Ramsden, C. R. Angus (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), S. Srivastav, J. Gillanders, L. Rhodes, A. Andersson, H. Stevance (Oxford), A. Rest (STScI), T.-W. Chen (NCU), C. Stubbs (Harvard), J. Sommer (LMU/QUB)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ATLAS-CHL_ATLAS-04_orange_

▌

BG4_BlackGEM-Cam4_BG-q_

▌

ML1_MeerLICHT-Cam_BG-q_

▌

Other_Other_Clear_

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
	16698	2024-02-27 03:02:20	Other / Other	600	N. Erasmus, S. Potter, C. van Gend, H. Worters, S. Chandra, M. Hlakola, R. Julie	Orapeleng Mogawana	MeerLICHT	tns_2024dgn_2024-02-27_03-02-19.682_Other_Other_MeerLICHT.dat		Object			The spectrum was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 4" slit width and an average spectral resolution of R = 172 at 4671.23 Angstrom.
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 The spectrum was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 4" slit width and an average spectral resolution of R = 172 at 4671.23 Angstrom.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

orange-ATLAS

ATLAS-CHL_ATLAS-04

2023-11-17 01:10:48 - 2024-02-26 09:02:02

2460265.54917 - 2460366.87641

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
392339	2024-02-26 09:02:02	2460366.87641	15.719	0.034	18.51	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot
392338	2023-11-17 01:10:48	2460265.54917			18.68	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

BG-q-BlackGem

BG4_BlackGEM-Cam4

2024-04-25 07:15:25 - 2024-04-25 07:15:25

2460425.8023727 - 2460425.8023727

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
404273	2024-04-25 07:15:25	2460425.8023727	18.3	0.07	19.65	ABMag	BG-q-BlackGem	BG4_BlackGEM-Cam4	60	robotic

BG-q-BlackGem

ML1_MeerLICHT-Cam

2019-08-04 20:32:24 - 2019-08-04 20:32:24

2458700.3558333 - 2458700.3558333

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
404272	2019-08-04 20:32:24	2458700.3558333			20.89	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic	[Last non detection]

Clear-

Other_Other

2018-04-12 00:36:20 - 2024-02-27 01:09:43

2458220.52523 - 2460367.54841

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
392684	2024-02-27 01:09:43	2460367.54841	15.7		17.4	VegaMag	Clear-	Other_Other	60	Robot	MASTER-SAAO
392683	2024-02-27 00:53:43	2460367.5373	16.1		17	VegaMag	Clear-	Other_Other	60	Robot	MASTER-SAAO
392682	2018-04-12 00:36:20	2458220.52523			19.3	VegaMag	Clear-	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

Bibcode

Unreal

Auto classification

209357

2024-05-04 12:01:55

BlackGEM_Bot1

H. Tranin,G. Ramsay,S. Faris et al.

BlackGEM

BlackGEM

19:28:04.904

-38:54:52.60

2024-04-25 07:15:25.000

18.3

BG-q-BlackGem

1

PSN

BGEM J192804.90-385452.6

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024dgn_atrep_209357_BlackGEM.pdf	Finding Chart	2024-05-04 12:01:56	BlackGEM_Bot1

203355

2024-02-29 10:56:32

MASTER

V.Shumkov,K.Vetrov (Ozersk),V. Lipunov et al.

MASTER

MASTER

19:28:04.770

-38:54:53.10

2024-02-27 00:53:42.720

16.1

Clear-

PSN

MASTER OT J192804.77-385453.1

MASTER

unfiltered, see Lipunov et al. 2010, 2019, 2022

N

203208

2024-02-26 13:55:39

ATLAS_Bot1

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

ATLAS

ATLAS

19:28:04.893

-38:54:52.59

2024-02-26 09:02:01.824

15.719

orange-ATLAS

PSN

ATLAS24cvv

ATLAS

2024TNSTR.534....1T

N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

16611

2024-02-27 12:22:49

Orapeleng Mogawana

Orapeleng Mogawana(UCT/SAAO), Nicolas Erasmus (SAAO)

MeerLICHT

SN Ia

0.020077

1

BlackGEM, MeerLICHT

Spectral template matching using SNID (Blondin & Tonry 2007) shows a good match with a normal type Ia supernova observed approximately 2.5 days before maximum brightness. The reported redshift is adopted from the associated host galaxy redshift taken from NED.

2024TNSCR.542....1M

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2024dgn_classrep_16611_MeerLICHT.ps		2024-02-27 12:22:49	Orapeleng Mogawana

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
16698	2024-02-27 03:02:20	Other / Other	600	N. Erasmus, S. Potter, C. van Gend, H. Worters, S. Chandra, M. Hlakola, R. Julie	Orapeleng Mogawana	MeerLICHT	tns_2024dgn_2024-02-27_03-02-19.682_Other_Other_MeerLICHT.dat		Object			The spectrum was taken with the SAAO's 1-m Lesedi-MOOKODI low-resolution spectrograph and imager using a 4" slit width and an average spectral resolution of R = 172 at 4671.23 Angstrom.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 209357 of Group BlackGEM
Previous RA, DEC: 19:28:04.893, -38:54:52.59 (292.020387143, -38.9146085714)
Updated RA, DEC: 19:28:04.904, -38:54:52.60 (292.020433, -38.914611)

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