2020acoo | Transient Name Server

RA/DEC (2000)

09:41:14.127 +26:05:18.87

145.308862723 +26.0885751167

Type

SN Ia-91bg-like

Redshift

0.044125

Discovery Report Classification Report

Reporting Group

Pan-STARRS

Discovering Data Source

Pan-STARRS

Discovery Date

2020-12-11 12:46:04.800

TNS AT

Y

Public

Y

Discovery Mag

18.65

Filter

w-P1

Reporter/s

K. C. Chambers, T. de Boer, J. Bulger, J. Fairlamb, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, A. Schultz, R. J. Wainscoat, M. Willman (IfA, University of Hawaii), K. W. Smith, D. R. Young, O. McBrien, J. Gillanders, S. Srivastav, M. Fulton, S. J. Smartt, D. O'Neill, P. Clark, S. Sim (Queen's University Belfast), D. E. Wright (University of Minnesota)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

PS2_GPC2_w

▌

ATLAS-MLO_ATLAS-01_cyan

▌

PS1_GPC1_w

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
	8404	2020-12-24 12:07:49	UH88 / SNIFS	1800	M E Huber		SCAT	tns_2020acoo_2020-12-24_12-07-49_UH88_SNIFS_SCAT.dat		Object			Reduced with summit-based, quick-reduction 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 Reduced with summit-based, quick-reduction pipeline.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

w-P1

PS2_GPC2

2020-12-11 12:46:05 - 2020-12-11 12:46:05

2459195.032 - 2459195.032

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
178904	2020-12-11 12:46:05	2459195.032	18.65	0.04	22	ABMag	w-P1	PS2_GPC2	45	Robot

cyan-ATLAS

ATLAS-MLO_ATLAS-01

2020-12-14 12:48:58 - 2020-12-22 11:06:43

2459198.034 - 2459205.963

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
184198	2020-12-22 11:06:43	2459205.963	18.498	0.065	19.7	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot
184197	2020-12-14 12:48:58	2459198.034			19.86	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2020-12-23 12:00:00 - 2020-12-23 12:00:00

2459207 - 2459207

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
181521	2020-12-23 12:00:00	2459207	18.51	0.01	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
95713	2021-01-06 20:29:14	ATLAS_Bot1	J. Tonry, L. Denneau, A. Heinze et al.	ATLAS	ATLAS	09:41:14.134	+26:05:18.93	2020-12-22 11:06:43.200	18.498	cyan-ATLAS		PSN		ATLAS20biqd	ATLAS				N
93978	2020-12-27 00:44:44	PS1_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	09:41:14.127	+26:05:18.87	2020-12-23 12:00:00.000	18.51	w-P1		PSN		PS20mde	Pan-STARRS				N
92724	2020-12-14 12:57:55	PS2_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	09:41:14.124	+26:05:18.88	2020-12-11 12:46:04.800	18.65	w-P1		PSN		PS20mde	Pan-STARRS			2020TNSTR3784....1C	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

8392

2020-12-29 00:23:35

Mark Huber

M E Huber (IfA, UH Manoa) on behalf of the SCAT team

SCAT

SN Ia-91bg-like

0.044125

1

SCAT

Spectrum matches Ia-91bg type SN around a week past maximum. Redshift from host, classification and age from template cross-correlation with SNID (Blondin and Tonry 2007).

2020TNSCR3952....1H

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
8404	2020-12-24 12:07:49	UH88 / SNIFS	1800	M E Huber		SCAT	tns_2020acoo_2020-12-24_12-07-49_UH88_SNIFS_SCAT.dat		Object			Reduced with summit-based, quick-reduction pipeline.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 93978 of Group Pan-STARRS1
Previous RA, DEC: 09:41:14.124, +26:05:18.88 (145.308850898, +26.0885787985)
Updated RA, DEC: 09:41:14.127, +26:05:18.87 (145.308862723, 26.0885751167)

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