2018ebk | Transient Name Server

RA/DEC (2000)

20:28:35.570 +25:44:08.34

307.148208 +25.73565

Type

SN Ia

Redshift

0.015

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2018-07-16 13:14:52.000

TNS AT

Y

Public

Y

Discovery Mag

19.385

Filter

cyan-ATLAS

Reporter/s

J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K. W. Smith, S. J. Smartt, D. R. Young, M. Fulton, O. McBrien, D. O'Neill, P. Clark (Queen's University Belfast)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_g

▌

Gaia_Gaia-photometric_G

▌

ATLAS-MLO_ATLAS-01_orange

▌

ATLAS-HKO_ATLAS-02_cyan

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
	2523	2018-08-15 02:24:00	NOT / ALFOSC		the Danish Summer School in Observational Astrophysics		None	tns_2018ebk_2018-08-15.1_NOT_ALFOSC.txt	tns_2018ebk_2018-08-15.1_NOT_ALFOSC.fits	Object			Type Ia supernova around two weeks or more past maximum light. SNID (Blondin and Tonry 2007, ApJ, 666, 1024) determines good template fits for the redshift z=0.015.
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 Type Ia supernova around two weeks or more past maximum light. SNID (Blondin and Tonry 2007, ApJ, 666, 1024) determines good template fits for the redshift z=0.015.
	2330	2018-07-21 05:32:10	P60 / SEDM	1440	SEDmRobot	Y. Sharma	ZTF	tns_2018ebk_2018-07-21_05-32-10_P60_SED-Machine_ZTF.ascii		Object		2021-07-25
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-ZTF

P48_ZTF-Cam

2018-07-14 08:58:33 - 2018-07-20 09:08:38

2458313.8739931 - 2458319.8809954

3

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
32308	2018-07-20 09:08:38	2458319.8809954	17.7			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF
32307	2018-07-17 09:36:00	2458316.9	18.77			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF
32306	2018-07-14 08:58:33	2458313.8739931			20.98	ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

G-Gaia

Gaia_Gaia-photometric

2018-07-13 07:40:48 - 2018-08-31 22:12:00

2458312.82 - 2458362.425

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
34977	2018-08-31 22:12:00	2458362.425	17.55	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
34976	2018-07-13 07:40:48	2458312.82			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2018-07-14 13:27:50 - 2018-07-14 13:27:50

2458314.0609954 - 2458314.0609954

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
32290	2018-07-14 13:27:50	2458314.0609954			16.13	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2018-07-16 13:14:52 - 2018-07-16 13:14:52

2458316.0519907 - 2458316.0519907

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
32291	2018-07-16 13:14:52	2458316.0519907	19.385	0.171	19.69	ABMag	cyan-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
22185	2018-09-04 10:07:34	Gaia_Bot1	A. Delgado, D. Harrison, S. Hodgkin et al.	GaiaAlerts	GaiaAlerts	20:28:35.570	+25:44:08.34	2018-08-31 22:12:00.000	17.55	G-Gaia		PSN		Gaia18cmc	GaiaAlerts		confirmed SN Ia, aka SN 2018ebk		N
20786	2018-07-20 22:44:00	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration	ZTF	ZTF	20:28:35.568	+25:44:08.36	2018-07-17 09:36:00.000	18.77	g-ZTF		PSN		ZTF18abhpzig	ZTF				N
20780	2018-07-20 21:52:51	ATLAS_Bot1	J. Tonry, B. Stalder, L. Denneau et al.	ATLAS	ATLAS	20:28:35.543	+25:44:08.32	2018-07-16 13:14:52.000	19.385	cyan-ATLAS		PSN		ATLAS18skj	ATLAS			2018TNSTR1008....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

2516

2018-08-15 11:45:14

Subo Dong

M. Stritzinger, S. Dong, J. Fynbo, K. Alizai, C. Gomez, F. Haidari, M. Malloy, P. S. Rehal, D. Slumstrup, S. B. Svendsen

None

SN Ia

0.015

1

2018TNSCR2131....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
2523	2018-08-15 02:24:00	NOT / ALFOSC		the Danish Summer School in Observational Astrophysics		None	tns_2018ebk_2018-08-15.1_NOT_ALFOSC.txt	tns_2018ebk_2018-08-15.1_NOT_ALFOSC.fits	Object			Type Ia supernova around two weeks or more past maximum light. SNID (Blondin and Tonry 2007, ApJ, 666, 1024) determines good template fits for the redshift z=0.015.

2323

2018-07-25 19:48:53

ZTF_Bot1

C. Fremling, Y. Sharma (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN Ia

0.0139

1

ZTF

2018TNSCR1034....1F

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
2330	2018-07-21 05:32:10	P60 / SEDM	1440	SEDmRobot	Y. Sharma	ZTF	tns_2018ebk_2018-07-21_05-32-10_P60_SED-Machine_ZTF.ascii		Object		2021-07-25

Comments

Object coordinates updated

Object coordinates updated according to AT-report 22185 of Group GaiaAlerts
Previous RA, DEC: 20:28:35.543, +25:44:08.32 (307.148097, +25.735644)
Updated RA, DEC: 20:28:35.570, +25:44:08.34 (307.148208, 25.73565)

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