2018dda | Transient Name Server

RA/DEC (2000)

22:08:14.148 -25:03:41.21

332.058949474 -25.0614474098

Type

SN Ia

Redshift

0.018

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-07-04 23:02:24.000

TNS AT

Y

Public

Y

Host Name

ESO 532- G 021

Host Redshift

0.018229

Discovery Mag

16

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

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
	2288	2018-07-15 10:36:00	Lick-3m / KAST	1245	M. R. Siebert	Y.-C. Pan	None	tns_2018dda_2018-07-15_10-36-00_Lick_3m_KAST.flm		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-5_Payne-Gaposchkin

2018-07-04 23:02:24 - 2018-07-04 23:02:24

2458304.46 - 2458304.46

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
31146	2018-07-04 23:02:24	2458304.46	16			ABMag	g-Sloan	ASASSN-5_Payne-Gaposchkin

g-Sloan

ASASSN-3_Paczynski

2018-06-29 06:00:00 - 2018-06-29 06:00:00

2458298.75 - 2458298.75

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
31145	2018-06-29 06:00:00	2458298.75			17.2	ABMag	g-Sloan	ASASSN-3_Paczynski			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2018-06-26 13:33:35 - 2018-06-26 13:33:35

2458296.0649884 - 2458296.0649884

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
31179	2018-06-26 13:33:35	2458296.0649884			18.55	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2018-07-06 12:20:09 - 2018-07-06 12:20:09

2458306.0139931 - 2458306.0139931

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
31180	2018-07-06 12:20:09	2458306.0139931	15.793	0.011	19.31	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

w-P1

PS1_GPC1

2018-07-10 12:28:48 - 2018-07-10 12:28:48

2458310.02 - 2458310.02

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
31791	2018-07-10 12:28:48	2458310.02	15.6	0	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
20478	2018-07-13 19:11:24	PS1_Bot1	K. C. Chambers,M. E. Huber,H. Flewelling et al.	Pan-STARRS	Pan-STARRS	22:08:14.148	-25:03:41.21	2018-07-10 12:28:48.000	15.6	w-P1		PSN		PS18ase	Pan-STARRS				N
20000	2018-07-06 16:16:36	ATLAS_Bot1	J. Tonry,B. Stalder,L. Denneau et al.	ATLAS	ATLAS	22:08:14.152	-25:03:41.40	2018-07-06 12:20:09.000	15.793	orange-ATLAS		PSN		ATLAS18rvf	ATLAS				N
19984	2018-07-05 12:30:22	Krzysztof Stanek	K. Z. Stanek,for the ASAS-SN team et al.	ASAS-SN	ASAS-SN	22:08:14.153	-25:03:41.58	2018-07-04 23:02:24.000	16	g-Sloan		PSN	ESO 532- G 021	ASASSN-18od	ASAS-SN		In two epochs	2018TNSTR.928....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

2281

2018-07-18 19:52:56

UCSCTr_Bot1

M. R. Siebert, Y.-C. Pan, R. J. Foley (UCSC)

None

SN Ia

0.018

1

SN Ia at +5 days. We measure a Si II 6355 velocity of -10,800 km/s. ATel: 11858

2018TNSCR1003....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
2288	2018-07-15 10:36:00	Lick-3m / KAST	1245	M. R. Siebert	Y.-C. Pan	None	tns_2018dda_2018-07-15_10-36-00_Lick_3m_KAST.flm		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 20478 of Group Pan-STARRS1
Previous RA, DEC: 22:08:14.153, -25:03:41.58 (332.05897, -25.06155)
Updated RA, DEC: 22:08:14.148, -25:03:41.21 (332.058949474, -25.0614474098)

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Finding Chart

http://www.astronomy.ohio-state.edu/~assassin/followup/asassn-18od.png

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