2023dwb | Transient Name Server

RA/DEC (2000)

12:19:35.057 +05:20:48.98

184.8960724 +5.3469382

Type

SN Ia

Redshift

0.074912

Discovery Report Classification Report

Related AstroNotes: 2023-68

Reporting Group

MeerLICHT

Discovering Data Source

MeerLICHT

Discovery Date

2023-03-22 00:46:38.000

TNS AT

Y

Public

Y

Host Name

SDSS J121935.03+052048.5

Host Redshift

0.07491

Discovery Mag

19.51

Filter

BG-q-BlackGem

Reporter/s

Cole Johnston (Radboud), Simon de Wet (UCT/SAAO), Danielle Pieterse (Radboud), Paul Vreeswijk (Radboud), Paul Groot (Radboud/UCT/SAAO)

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
	14705	2023-04-07 07:55:53	P60 / SEDM	2250	SEDmRobot	auto	ZTF	tns_2023dwb_2023-04-07_07-55-53.016217_P60_SEDM_ZTF.ascii		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

orange-ATLAS

ATLAS-CHL_ATLAS-04

2023-03-27 04:27:04 - 2023-03-27 04:27:04

2460030.68546 - 2460030.68546

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334050	2023-03-27 04:27:04	2460030.68546			19.4	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-STH_ATLAS-03

2023-03-29 00:03:44 - 2023-03-29 00:03:44

2460032.50259 - 2460032.50259

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334051	2023-03-29 00:03:44	2460032.50259	18.607	0.103	19.52	ABMag	cyan-ATLAS	ATLAS-STH_ATLAS-03	30	Robot

BG-q-BlackGem

ML1_MeerLICHT-Cam

2023-03-17 02:19:32 - 2023-03-22 00:46:38

2460020.5968981 - 2460025.5323843

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
333228	2023-03-22 00:46:38	2460025.5323843	19.51	0.13	20.42	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic
333227	2023-03-17 02:19:32	2460020.5968981			20.41	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2023-03-17 08:08:10 - 2023-03-29 08:22:34

2460020.839 - 2460032.849

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334113	2023-03-29 08:22:34	2460032.849	18.9			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
334111	2023-03-17 08:08:10	2460020.839			20.6	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

g-ZTF

P48_ZTF-Cam

2023-03-26 09:07:12 - 2023-03-26 09:07:12

2460029.88 - 2460029.88

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
334112	2023-03-26 09:07:12	2460029.88	18.99			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF

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

173378

2023-03-30 15:25:56

ZTF_Bot1

C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al.

ZTF

ZTF

12:19:35.057

+05:20:48.98

2023-03-26 09:07:12.000

18.99

g-ZTF

PSN

ZTF23aadrtlp

ZTF

N

173347

2023-03-30 05:39:24

ATLAS_Bot1

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

ATLAS

ATLAS

12:19:35.068

+05:20:48.77

2023-03-29 00:03:43.776

18.607

cyan-ATLAS

PSN

ATLAS23enb

ATLAS

N

172951

2023-03-23 20:45:21

Paul Groot

Cole Johnston (Radboud),Simon de Wet (UCT/SAAO),Danielle Pieterse (Radboud) et al.

MeerLICHT

MeerLICHT

12:19:35.050

+05:20:48.66

2023-03-22 00:46:38.000

19.51

BG-q-BlackGem

1

PSN

SDSS J121935.03+052048.5

MLT J121935.03+052048.7

MeerLICHT

2023TNSTR.612....1J

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2023dwb_atrep_172951_MeerLICHT.png	Finding Chart, 1'x1', N up, E left. left to right: discovery image, reference image, difference image, significance image	2023-03-23 20:45:22	Paul Groot

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

14631

2023-04-07 08:42:17

ZTF_Bot1

C. Fremling, D. Neill, Y. Sharma on behalf of the SEDM Team (Caltech) and the Zwicky Transient Facility (ZTF) based on SNIascore

ZTF

SN Ia

0.074912

1

ZTF

2023TNSCR.732....1F

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
14705	2023-04-07 07:55:53	P60 / SEDM	2250	SEDmRobot	auto	ZTF	tns_2023dwb_2023-04-07_07-55-53.016217_P60_SEDM_ZTF.ascii		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 173378 of Group ZTF
Previous RA, DEC: 12:19:35.068, +05:20:48.77 (184.896116875, +5.34688)
Updated RA, DEC: 12:19:35.057, +05:20:48.98 (184.8960724, 5.3469382)

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Object coordinates updated

Object coordinates updated according to AT-report 173347 of Group ATLAS
Previous RA, DEC: 12:19:35.050, +05:20:48.66 (184.89604, +5.34685)
Updated RA, DEC: 12:19:35.068, +05:20:48.77 (184.896116875, 5.34688)

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