2020adox | Transient Name Server

RA/DEC (2000)

04:53:40.321 -31:09:10.18

73.4180047368 -31.1528266667

Type

SN Ia

Redshift

0.074

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2020-12-24 06:28:48.000

TNS AT

Y

Public

Y

Discovery Mag

17.5

Filter

g-Sloan

Reporter/s

K. Z. Stanek, for the ASAS-SN team

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

ASASSN-4_Leavitt_g

▌

ASASSN-3_Paczynski_g

▌

ATLAS-MLO_ATLAS-01_orange

▌

ATLAS-HKO_ATLAS-02_orange

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
	8409	2020-12-31 09:16:16	UH88 / SNIFS	2420	Hinkle		SCAT	tns_2020adox_2020-12-31_09-16-16_UH88_SNIFS_SCAT.dat		Object			Reduced with a 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 a summit-based quick reduction pipeline.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

g-Sloan

ASASSN-4_Leavitt

2020-12-19 04:37:55 - 2020-12-19 04:37:55

2459202.693 - 2459202.693

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
181496	2020-12-19 04:37:55	2459202.693			18	ABMag	g-Sloan	ASASSN-4_Leavitt			[Last non detection]

g-Sloan

ASASSN-3_Paczynski

2020-12-24 06:28:48 - 2020-12-24 06:28:48

2459207.77 - 2459207.77

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
181497	2020-12-24 06:28:48	2459207.77	17.5			ABMag	g-Sloan	ASASSN-3_Paczynski

orange-ATLAS

ATLAS-MLO_ATLAS-01

2020-12-16 08:42:43 - 2020-12-16 08:42:43

2459199.863 - 2459199.863

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
185841	2020-12-16 08:42:43	2459199.863			16.75	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2020-12-22 09:30:14 - 2020-12-22 09:30:14

2459205.896 - 2459205.896

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
185842	2020-12-22 09:30:14	2459205.896	17.941	0.065	19.31	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	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
96392	2021-01-10 23:02:50	ATLAS_Bot1	J. Tonry, L. Denneau, A. Heinze et al.	ATLAS	ATLAS	04:53:40.321	-31:09:10.18	2020-12-22 09:30:14.400	17.941	orange-ATLAS		PSN		ATLAS20bhnl	ATLAS				N
93958	2020-12-26 15:17:44	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	04:53:40.270	-31:09:10.58	2020-12-24 06:28:48.000	17.5	g-Sloan		PSN		ASASSN-20qk	ASAS-SN		Present in several epochs, very faint, uncatalogued host galaxy	2020TNSTR3923....1S	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

8397

2020-12-31 10:44:11

Jason Hinkle

Jason Hinkle on behalf of SCAT

SCAT

SN Ia

0.074

1

SCAT

Normal SN Ia near maximum light. Redshift estimated from narrow host lines. Cross-correlation with SNID (Blondin & Tonry 2007) gives matches to normal SNe Ia at this redshift.

2020TNSCR3964....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
8409	2020-12-31 09:16:16	UH88 / SNIFS	2420	Hinkle		SCAT	tns_2020adox_2020-12-31_09-16-16_UH88_SNIFS_SCAT.dat		Object			Reduced with a summit-based quick reduction pipeline.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 96392 of Group ATLAS
Previous RA, DEC: 04:53:40.270, -31:09:10.58 (73.41779, -31.15294)
Updated RA, DEC: 04:53:40.321, -31:09:10.18 (73.4180047368, -31.1528266667)

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Finding Chart

http://www.astronomy.ohio-state.edu/~assassin/followup/asassn-20qk.png

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