2023ddy | Transient Name Server

RA/DEC (2000)

11:26:20.621 -14:41:25.57

171.585918947 -14.690436357

Type

SN II

Redshift

0.059

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2023-03-14 21:52:31.008

TNS AT

Y

Public

Y

Discovery Mag

18.968

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), K. W. Smith, S. Srivastav, D. R. Young, S. J. Smartt, J. Gillanders, M. Fulton, M. McCollum, T. Moore, J. Weston (Queen's University Belfast), L. Shingles (GSI/QUB), A. Rest (STScI), T.-W. Chen (TUM/MPA), M. Nicholl (Birmingham), C. Stubbs (Harvard), J. Sommer (LMU/QUB), L. Rhodes, A. Andersson (Oxford)

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
	14610	2023-03-18 00:00:00	Magellan-Baade / IMACS	1200	Abigail Polin	Nidia Morrell	POISE	tns_2023ddy_2023-03-18_Magellan-Baade_IMACS_POISE.dat	tns_2023ddy_2023-03-18_Magellan-Baade_IMACS_POISE.fits	Object			spectrum shows blue continuum with H-alpha and H-beta.
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 spectrum shows blue continuum with H-alpha and H-beta.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

orange-ATLAS

ATLAS-CHL_ATLAS-04

2023-03-12 07:43:28 - 2023-03-12 07:43:28

2460015.82185 - 2460015.82185

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
331884	2023-03-12 07:43:28	2460015.82185			18.69	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-STH_ATLAS-03

2023-03-14 21:52:31 - 2023-03-14 21:52:31

2460018.41147 - 2460018.41147

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
331885	2023-03-14 21:52:31	2460018.41147	18.968	0.173	19.42	ABMag	orange-ATLAS	ATLAS-STH_ATLAS-03	30	Robot

BG-q-BlackGem

ML1_MeerLICHT-Cam

2023-02-24 02:08:14 - 2023-03-19 20:06:43

2459999.5890509 - 2460023.3379977

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
403793	2023-03-19 20:06:43	2460023.3379977	18.66	0.08	20.43	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic
403792	2023-02-24 02:08:14	2459999.5890509			20.93	ABMag	BG-q-BlackGem	ML1_MeerLICHT-Cam	60	robotic	[Last non detection]

r-ZTF

P48_ZTF-Cam

2023-03-17 07:56:38 - 2023-03-17 07:56:38

2460020.831 - 2460020.831

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
332010	2023-03-17 07:56:38	2460020.831	18.74			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF

g-ZTF

P48_ZTF-Cam

2023-03-13 07:36:29 - 2023-03-13 07:36:29

2460016.817 - 2460016.817

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
332009	2023-03-13 07:36:29	2460016.817	18.98			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF

w-P1

PS1_GPC1

2023-03-27 08:15:47 - 2023-03-27 08:15:47

2460030.84429 - 2460030.84429

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
336822	2023-03-27 08:15:47	2460030.84429	18.69	0.02	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

209157

2024-05-02 22:14:55

BlackGEM_Bot1

F. Stoppa, G. Ramsay, P. Groot et al.

BlackGEM

BlackGEM

11:26:20.614

-14:41:25.57

2023-03-19 20:06:43.000

18.66

BG-q-BlackGem

1

PSN

MLT J112620.61-144125.5

BlackGEM

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2023ddy_atrep_209157_BlackGEM.pdf	Finding Chart	2024-05-02 22:14:56	BlackGEM_Bot1

174762

2023-04-14 13:32:02

PS1_Bot1

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

Pan-STARRS

Pan-STARRS

11:26:20.621

-14:41:25.57

2023-03-27 08:15:46.656

18.69

w-P1

PSN

PS23bvc

Pan-STARRS

N

172297

2023-03-17 09:25:34

ZTF_Bot1

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

ZTF

ZTF

11:26:20.631

-14:41:25.29

2023-03-13 07:36:28.800

18.98

g-ZTF

PSN

ZTF23aadaypx

ZTF

N

172240

2023-03-16 01:05:05

ATLAS_Bot1

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

ATLAS

ATLAS

11:26:20.615

-14:41:25.66

2023-03-14 21:52:31.008

18.968

orange-ATLAS

PSN

ATLAS23drx

ATLAS

2023TNSTR.545....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

14536

2023-03-18 09:12:11

Abigail Polin

Abigail Polin (Carnegie/Caltech), Nidia Morrell (LCO), Chris Burns (Carnegie)

POISE

SN II

0.059

1

POISE

redshift estimate from H II region

2023TNSCR.570....1P

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
14610	2023-03-18 00:00:00	Magellan-Baade / IMACS	1200	Abigail Polin	Nidia Morrell	POISE	tns_2023ddy_2023-03-18_Magellan-Baade_IMACS_POISE.dat	tns_2023ddy_2023-03-18_Magellan-Baade_IMACS_POISE.fits	Object			spectrum shows blue continuum with H-alpha and H-beta.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 174762 of Group Pan-STARRS
Previous RA, DEC: 11:26:20.631, -14:41:25.29 (171.5859631, -14.6903573)
Updated RA, DEC: 11:26:20.621, -14:41:25.57 (171.585918947, -14.690436357)

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Object coordinates updated

Object coordinates updated according to AT-report 172297 of Group ZTF
Previous RA, DEC: 11:26:20.615, -14:41:25.66 (171.585895714, -14.69046)
Updated RA, DEC: 11:26:20.631, -14:41:25.29 (171.5859631, -14.6903573)

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