2020uew | Transient Name Server

RA/DEC (2000)

03:19:23.870 -29:59:05.68

49.849458 -29.984911

Type

SLSN-I

Redshift

0.22367

Discovery Report Classification Report

Related AstroNotes: 2020-212

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2020-09-23 11:42:43.200

TNS AT

Y

Public

Y

Discovery Mag

18.78

Filter

orange-ATLAS

Reporter/s

J. Tonry, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), B. Stalder (LSST), A. Rest (STScI), C. Stubbs (Harvard University), K. W. Smith, S. J. Smartt, D. R. Young, S. Srivastav, O. McBrien, D. O'Neill, P. Clark, M. Fulton, J. Gillanders, M. Dobson (Queen's University Belfast), T.-W. Chen (MPE), D. E. Wright (University of Minnesota), J. Anderson (ESO), A. Townsend (University of Manchester)

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
	8113	2020-11-26 08:23:59	Gemini-N / GMOS	1200	Hyewon Suh	Thomas de Jaeger/Mark Huber	SCAT	tns_2020uew_2459179.85_Gemini-N_GMOS_SCAT.dat		Object			Quick reduction using GMOS pipeline.
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 Quick reduction using GMOS pipeline.
	7846	2020-10-29 03:25:48	ESO-NTT / EFOSC2-NTT	600	N. Ihanec, M. Gromadzki	T. Wevers	ePESSTO+	tns_2020uew_2020-10-29_03-25-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2020uew_2020-10-29_03-25-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.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

i-P1

PS2_GPC2

2020-10-05 13:00:29 - 2020-10-05 13:00:29

2459128.042 - 2459128.042

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
171925	2020-10-05 13:00:29	2459128.042	18.42	0.14	20.7	ABMag	i-P1	PS2_GPC2	45	Robot

G-Gaia

Gaia_Gaia-photometric

2020-08-14 01:06:14 - 2020-09-24 12:46:05

2459075.546 - 2459117.032

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
160419	2020-09-24 12:46:05	2459117.032	18.68	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
160418	2020-08-14 01:06:14	2459075.546			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2020-09-23 11:42:43 - 2020-09-23 11:42:43

2459115.988 - 2459115.988

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
160268	2020-09-23 11:42:43	2459115.988	18.78	0.113	19.52	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2020-09-21 13:55:12 - 2020-09-21 13:55:12

2459114.08 - 2459114.08

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
160267	2020-09-21 13:55:12	2459114.08			19.4	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

g-P1

PS1_GPC1

2020-11-10 09:50:24 - 2020-11-10 09:50:24

2459163.91 - 2459163.91

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
171924	2020-11-10 09:50:24	2459163.91	18.53	0.02	21	ABMag	g-P1	PS1_GPC1	90	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
89485	2020-11-16 10:55:42	PS2_Bot1	K. C. Chambers,T. de Boer,J. Bulger et al.	Pan-STARRS	Pan-STARRS	03:19:23.884	-29:59:05.57	2020-10-05 13:00:28.800	18.42	i-P1		PSN		PS20ldz	Pan-STARRS				N
89484	2020-11-16 10:54:01	PS1_Bot1	K. C. Chambers,T. de Boer,J. Bulger et al.	Pan-STARRS	Pan-STARRS	03:19:23.877	-29:59:05.70	2020-11-10 09:50:24.000	18.53	g-P1		PSN		PS20ldz	Pan-STARRS				N
83266	2020-09-26 10:33:44	Gaia_Bot1	S.T. Hodgkin,E. Breedt,A. Delgado et al.	GaiaAlerts	GaiaAlerts	03:19:23.870	-29:59:05.68	2020-09-24 12:46:04.800	18.68	G-Gaia		PSN		Gaia20eme	GaiaAlerts		candidate SN on very faint diffuse PanSTARRS source		N
83210	2020-09-25 19:26:25	ATLAS_Bot1	J. Tonry,L. Denneau,A. Heinze et al.	ATLAS	ATLAS	03:19:23.878	-29:59:05.61	2020-09-23 11:42:43.200	18.78	orange-ATLAS		PSN		ATLAS20bbum	ATLAS			2020TNSTR2930....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

8101

2020-12-08 00:25:19

Thomas de Jaeger

Thomas de Jaeger and Mark Huber on behalf of the SCAT team

SCAT

SLSN-I

0.22367

1

SCAT

SLSN-I, ~40-45 days after maximum. Redshift from host-galaxy emission lines.

2020TNSCR3720....1J

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
8113	2020-11-26 08:23:59	Gemini-N / GMOS	1200	Hyewon Suh	Thomas de Jaeger/Mark Huber	SCAT	tns_2020uew_2459179.85_Gemini-N_GMOS_SCAT.dat		Object			Quick reduction using GMOS pipeline.

7833

2020-10-29 18:08:48

ePESSTOplus_Bot1

N. Ihanec, M. Gromadzki, T. Wevers, I. Irani on behalf of ePESSTO+

ePESSTO+

Other

0

1

ePESSTO+

2020TNSCR3296....1I

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
7846	2020-10-29 03:25:48	ESO-NTT / EFOSC2-NTT	600	N. Ihanec, M. Gromadzki	T. Wevers	ePESSTO+	tns_2020uew_2020-10-29_03-25-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2020uew_2020-10-29_03-25-48_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 83266 of Group GaiaAlerts
Previous RA, DEC: 03:19:23.878, -29:59:05.61 (49.8494908333, -29.98489125)
Updated RA, DEC: 03:19:23.870, -29:59:05.68 (49.849458, -29.984911)

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