2020acmr | Transient Name Server

RA/DEC (2000)

04:32:18.970 -11:18:18.42

68.0790414903 -11.3051161152

Type

SN II-pec

Redshift

0.04

Discovery Report Classification Report

Related AstroNotes: 2020-255

Reporting Group

Pan-STARRS

Discovering Data Source

Pan-STARRS

Discovery Date

2020-12-11 09:43:12.000

TNS AT

Y

Public

Y

Discovery Mag

19.8

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

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
	8185	2020-12-13 09:00:00	UH88 / SNIFS	3600	Mark Huber	Mark Huber	SCAT	tns_2020acmr_2020-12-13_09-00-00_UH88_SNIFS_Pan-STARRS1.txt		Object			The spectrum was obtained by the Spectral Classification of Astronomical Transients group at UH IfA.
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 The spectrum was obtained by the Spectral Classification of Astronomical Transients group at UH IfA.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

w-P1

PS2_GPC2

2020-12-08 08:21:07 - 2020-12-08 08:21:07

2459191.848 - 2459191.848

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
178746	2020-12-08 08:21:07	2459191.848	20.34	0.27	22	ABMag	w-P1	PS2_GPC2	45	Robot

r-ZTF

P48_ZTF-Cam

2020-12-06 05:44:40 - 2020-12-11 07:06:59

2459189.7393519 - 2459194.7965162

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
178996	2020-12-11 07:06:59	2459194.7965162	19.8	0.13	20.33	ABMag	r-ZTF	P48_ZTF-Cam	30
178994	2020-12-06 05:44:40	2459189.7393519			20.256	ABMag	r-ZTF	P48_ZTF-Cam	30		[Last non detection]

g-ZTF

P48_ZTF-Cam

2020-12-11 06:44:04 - 2020-12-11 06:44:04

2459194.7806019 - 2459194.7806019

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
178995	2020-12-11 06:44:04	2459194.7806019	20.06	0.19	20.38	ABMag	g-ZTF	P48_ZTF-Cam	30

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2020-12-10 10:59:31 - 2020-12-11 10:01:55

2459193.958 - 2459194.918

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
184361	2020-12-11 10:01:55	2459194.918	19.679	0.175	19.84	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
184360	2020-12-10 10:59:31	2459193.958			19.75	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2020-12-11 09:43:12 - 2020-12-11 09:43:12

2459194.905 - 2459194.905

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
178739	2020-12-11 09:43:12	2459194.905	19.8	0.03	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
95768	2021-01-06 23:50:04	ATLAS_Bot1	J. Tonry, L. Denneau, A. Heinze et al.	ATLAS	ATLAS	04:32:18.990	-11:18:18.44	2020-12-11 10:01:55.200	19.679	cyan-ATLAS		PSN		ATLAS20bjyw	ATLAS				N
92775	2020-12-15 06:55:00	ZTF_AMPEL_COMPLETE	J. Nordin, V. Brinnel, M. Giomi et al.	ZTF	ZTF	04:32:18.962	-11:18:18.53	2020-12-11 06:44:03.840	20.06	g-ZTF		PSN		ZTF20acvdfmw	ZTF		See arXiv:1904.05922 for selection criteria.		N
92644	2020-12-12 22:57:09	PS2_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	04:32:18.970	-11:18:18.42	2020-12-08 08:21:07.200	20.34	w-P1		PSN		PS20mcb	Pan-STARRS				N
92638	2020-12-12 22:34:08	PS1_Bot1	K. C. Chambers, T. de Boer, J. Bulger et al.	Pan-STARRS	Pan-STARRS	04:32:18.976	-11:18:18.39	2020-12-11 09:43:12.000	19.8	w-P1		PSN		PS20mcb	Pan-STARRS		This transient was discovered with the help of citizen science project Supernova Hunters run by Zooniverse. The candidate was identified by volunteers including Emma Saunders, Amy Loeschner and Anton Zahorodnii	2020TNSTR3765....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

8173

2020-12-14 16:01:53

Ken Smith

Ken Smith, Lluís Galbany, Mark Huber

SCAT

SN II-pec

0.04

1

Pan-STARRS

Spectrum matches possibly a young 1987A-like SN or young SN IIb. However, using the ATLAS Forced Photometry server to get a lightcurve indicates that the object has been slowly rising for 9 days. Have chosen type II-pec for the time being.

2020TNSCR3788....1S

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
8185	2020-12-13 09:00:00	UH88 / SNIFS	3600	Mark Huber	Mark Huber	SCAT	tns_2020acmr_2020-12-13_09-00-00_UH88_SNIFS_Pan-STARRS1.txt		Object			The spectrum was obtained by the Spectral Classification of Astronomical Transients group at UH IfA.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 92644 of Group Pan-STARRS1
Previous RA, DEC: 04:32:18.976, -11:18:18.39 (68.0790681511, -11.3051070266)
Updated RA, DEC: 04:32:18.970, -11:18:18.42 (68.0790414903, -11.3051161152)

Log in or register to post comments

Log in or register to post comments