2018hts | Transient Name Server

RA/DEC (2000)

23:24:32.956 +17:05:37.26

351.13731848 +17.09368216

Type

SN Ia

Redshift

0.04

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-11-01 21:36:00.000

TNS AT

Y

Public

Y

Host Name

SDSS J232432.96+170537.9

Discovery Mag

16.8

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-5_Payne-Gaposchkin_g

▌

ASASSN-3_Paczynski_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
	2971	2018-11-04 02:23:20	Lick-3m / KAST	1230	C. D. Kilpatrick, B. Garza, J. Decker	C. D. Kilpatrick, M. R. Siebert	None	tns_2018hts_2018-11-04_02-23-20_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

2018-11-01 21:36:00 - 2018-11-01 21:36:00

2458424.4 - 2458424.4

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
38366	2018-11-01 21:36:00	2458424.4	16.8			ABMag	g-Sloan	ASASSN-5_Payne-Gaposchkin
38368	2018-11-01 21:36:00	2458424.4	16.8			ABMag	g-Sloan	ASASSN-5_Payne-Gaposchkin

g-Sloan

ASASSN-3_Paczynski

2018-10-21 02:24:00 - 2018-10-21 02:24:00

2458412.6 - 2458412.6

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
38365	2018-10-21 02:24:00	2458412.6			17.2	ABMag	g-Sloan	ASASSN-3_Paczynski			[Last non detection]
38367	2018-10-21 02:24:00	2458412.6			17.2	ABMag	g-Sloan	ASASSN-3_Paczynski			[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2018-11-11 08:15:21 - 2018-11-11 08:15:21

2458433.8439931 - 2458433.8439931

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
44210	2018-11-11 08:15:21	2458433.8439931	17.689	0.132	18.23	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2018-11-09 09:57:36 - 2018-11-09 09:57:36

2458431.915 - 2458431.915

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
44209	2018-11-09 09:57:36	2458431.915			19.71	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[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
25638	2018-11-27 23:00:08	ATLAS_Bot1	J. Tonry, L. Denneau, A. Heinze et al.	ATLAS	ATLAS	23:24:32.956	+17:05:37.26	2018-11-11 08:15:21.000	17.689	orange-ATLAS		PSN		ATLAS18znr	ATLAS				N
23924	2018-11-04 00:15:37	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	23:24:32.964	+17:05:35.30	2018-11-01 21:36:00.000	16.8	g-Sloan		PSN	SDSS J232432.96+170537.9	ASASSN-18yy	ASAS-SN		In several epoch, unknown redshift host galaxy		N
23923	2018-11-04 00:15:36	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	23:24:32.964	+17:05:35.30	2018-11-01 21:36:00.000	16.8	g-Sloan		PSN	SDSS J232432.96+170537.9	ASASSN-18yy	ASAS-SN		In several epoch, unknown redshift host galaxy	2018TNSTR1688....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

2963

2018-11-04 23:19:54

UCSCTr_Bot1

C. D. Kilpatrick, B. Garza, J. Decker, M. R. Siebert, R. J. Foley (UCSC)

None

SN Ia

0.04

1

SN Ia at max. We measure a Si II 6355 velocity of -10,000 km/s. ATel: 12168

2018TNSCR1691....1K

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
2971	2018-11-04 02:23:20	Lick-3m / KAST	1230	C. D. Kilpatrick, B. Garza, J. Decker	C. D. Kilpatrick, M. R. Siebert	None	tns_2018hts_2018-11-04_02-23-20_Lick_3m_KAST.flm		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 25638 of Group ATLAS
Previous RA, DEC: 23:24:32.964, +17:05:35.30 (351.13735, +17.09314)
Updated RA, DEC: 23:24:32.956, +17:05:37.26 (351.13731848, 17.09368216)

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Finding Chart

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

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