2023mgy | Transient Name Server

RA/DEC (2000)

21:14:23.542 -05:05:58.61

318.598092516 -5.09961345471

Type

SN Ia-91T-like

Redshift

0.027005

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2023-07-01 06:18:25.056

TNS AT

Y

Public

Y

Discovery Mag

17.22

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), J. Anderson (ESO), A. Jordan, V. Suc (UAI, Obstech), S. J. Smartt (Oxford/QUB), K. W. Smith, S. Srivastav, D. R. Young, M. Nicholl, M. Fulton, M. McCollum, T. Moore, J. Weston, X. Sheng (Queen's University Belfast), A. Aamer (QUB/Birmingham), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (TUM), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

PS2_GPC2_w

▌

ATLAS-CHL_ATLAS-04_orange

▌

ATLAS-STH_ATLAS-03_orange

▌

ML1_MeerLICHT-Cam_BG-q

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
	15237	2023-07-06 13:57:26	UH88 / SNIFS	1000	Aaron Do		SCAT	tns_2023mgy_2023-07-06_13-57-26_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

w-P1

PS2_GPC2

2023-06-29 12:43:04 - 2023-06-29 12:43:04

2460125.02991 - 2460125.02991

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
363913	2023-06-29 12:43:04	2460125.02991	17.52	0.02	22	ABMag	w-P1	PS2_GPC2	45	Robot

orange-ATLAS

ATLAS-CHL_ATLAS-04

2023-07-01 06:18:25 - 2023-07-01 06:18:25

2460126.76279 - 2460126.76279

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
350857	2023-07-01 06:18:25	2460126.76279	17.22	0.063	18.83	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

orange-ATLAS

ATLAS-STH_ATLAS-03

2023-06-24 01:59:24 - 2023-06-24 01:59:24

2460119.58292 - 2460119.58292

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
350856	2023-06-24 01:59:24	2460119.58292			19.42	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot	[Last non detection]

BG-q-BlackGem

ML1_MeerLICHT-Cam

2022-10-02 18:46:50 - 2023-08-10 21:34:33

2459855.2825231 - 2460167.3989931

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
403992	2023-08-10 21:34:33	2460167.3989931	17.63	0.04	21.03	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic
403991	2022-10-02 18:46:50	2459855.2825231			20.6	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic	[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

209246

2024-05-03 11:32:55

BlackGEM_Bot1

F. Stoppa, D. Pieterse, S. Faris et al.

BlackGEM

BlackGEM

21:14:23.519

-05:05:57.89

2023-08-10 21:34:33.000

17.63

BG-q-BlackGem

1

PSN

MLT J211423.51-050557.8

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2023mgy_atrep_209246_BlackGEM.pdf	Finding Chart	2024-05-03 11:32:56	BlackGEM_Bot1

188278

2023-09-17 09:18:30

PS1_Bot1

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

Pan-STARRS

Pan-STARRS

21:14:23.542

-05:05:58.61

2023-06-29 12:43:04.224

17.52

w-P1

PSN

PS23ifw

Pan-STARRS

N

181578

2023-07-02 14:06:23

ATLAS_Bot1

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

ATLAS

ATLAS

21:14:23.520

-05:05:58.53

2023-07-01 06:18:25.056

17.22

orange-ATLAS

PSN

ATLAS23ndz

ATLAS

2023TNSTR1550....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

15162

2023-07-06 16:11:40

Aaron Do

Aaron Do (IfA, UH Manoa) on behalf of the SCAT team

SCAT

SN Ia-91T-like

0.027005

1

SCAT

Type Ia-91T-like near maximum light. Redshift from 6dF (via NED). Phase from SNID (Blondin & Tonry, 2007).

2023TNSCR1580....1D

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
15237	2023-07-06 13:57:26	UH88 / SNIFS	1000	Aaron Do		SCAT	tns_2023mgy_2023-07-06_13-57-26_UH88_SNIFS_SCAT.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 188278 of Group Pan-STARRS
Previous RA, DEC: 21:14:23.520, -05:05:58.53 (318.598, -5.09959125)
Updated RA, DEC: 21:14:23.542, -05:05:58.61 (318.598092516, -5.09961345471)

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