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RA/DEC (2000)

13:35:07.543 -33:28:59.29

203.781428889 -33.4831355556

Type

SN Ia

Redshift

0.013

Discovery Report Classification Report

Related AstroNotes: 2021-16

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2021-01-13 07:55:12.000

TNS AT

Y

Public

Y

Host Name

NGC 5215

Host Redshift

0.012942

Discovery Mag

15.7

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-3_Paczynski_g

▌

ATLAS-MLO_ATLAS-01_orange

▌

ATLAS-MLO_ATLAS-01_cyan

▌

ASASSN-2_Cassius_g

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
	8578	2021-01-14 08:47:04	ESO-NTT / EFOSC2-NTT	180	K. Smith, M. Fulton	J. Gillanders	ePESSTO+	tns_2021ads_2021-01-14_08-47-04_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2021ads_2021-01-14_08-47-04_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

g-Sloan

ASASSN-3_Paczynski

2021-01-13 07:55:12 - 2021-01-13 07:55:12

2459227.83 - 2459227.83

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
186360	2021-01-13 07:55:12	2459227.83	15.7			ABMag	g-Sloan	ASASSN-3_Paczynski

orange-ATLAS

ATLAS-MLO_ATLAS-01

2021-01-09 15:34:34 - 2021-01-09 15:34:34

2459224.149 - 2459224.149

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
186472	2021-01-09 15:34:34	2459224.149			15.06	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-MLO_ATLAS-01

2021-01-13 14:42:43 - 2021-01-13 14:42:43

2459228.113 - 2459228.113

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
186473	2021-01-13 14:42:43	2459228.113	15.484	0.015	19.63	ABMag	cyan-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

g-Sloan

ASASSN-2_Cassius

2021-01-07 06:28:48 - 2021-01-07 06:28:48

2459221.77 - 2459221.77

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
186359	2021-01-07 06:28:48	2459221.77			17.4	ABMag	g-Sloan	ASASSN-2_Cassius			[Last non detection]

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
96676	2021-01-13 22:59:02	ATLAS_Bot1	J. Tonry, L. Denneau, A. Heinze et al.	ATLAS	ATLAS	13:35:07.543	-33:28:59.29	2021-01-13 14:42:43.200	15.484	cyan-ATLAS		PSN		ATLAS21brw	ATLAS				N
96628	2021-01-13 15:24:29	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	13:35:07.486	-33:28:58.98	2021-01-13 07:55:12.000	15.7	g-Sloan		PSN	NGC 5215	ASASSN-21ag	ASAS-SN		Present in several epochs, on the rise, located between two merging galaxies	2021TNSTR.126....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

8566

2021-01-14 17:49:11

ePESSTOplus_Bot1

K. Smith, M. Fulton, J. Gillanders, O. Yaron on behalf of ePESSTO+

ePESSTO+

SN Ia

0.013

1

ePESSTO+

2021TNSCR.144....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
8578	2021-01-14 08:47:04	ESO-NTT / EFOSC2-NTT	180	K. Smith, M. Fulton	J. Gillanders	ePESSTO+	tns_2021ads_2021-01-14_08-47-04_ESO-NTT_EFOSC2-NTT_ePESSTO+.asci	tns_2021ads_2021-01-14_08-47-04_ESO-NTT_EFOSC2-NTT_ePESSTO+.fits	Object

Comments

Finding Chart

http://www.astronomy.ohio-state.edu/~assassin/followup/asassn-21ag.png

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Object coordinates updated

Object coordinates updated according to AT-report 96676 of Group ATLAS
Previous RA, DEC: 13:35:07.486, -33:28:58.98 (203.78119, -33.48305)
Updated RA, DEC: 13:35:07.543, -33:28:59.29 (203.781428889, -33.4831355556)

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