2018hme | Transient Name Server

RA/DEC (2000)

09:35:39.290 -17:23:11.18

143.913708 -17.386439

Type

SN Ia

Redshift

0.01412

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-10-20 08:52:48.000

TNS AT

Y

Public

Y

Host Name

MCG -03-25-010

Host Redshift

0.014123

Discovery Mag

15.8

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

▌

P48_ZTF-Cam_r

▌

ASASSN-5_Payne-Gaposchkin_g

▌

ASASSN-3_Paczynski_g

▌

Gaia_Gaia-photometric_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
	2928	2018-10-23 08:31:44	SOAR / Goodman		Strader		None	tns_2018hme_2018-10-23_08-31-44_SOAR_Goodman.dat		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

r-ZTF

P48_ZTF-Cam

2018-11-18 13:01:32 - 2018-11-21 10:59:57

2458441.0427431 - 2458443.9582986

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
42850	2018-11-21 10:59:57	2458443.9582986	17.1083	0.0418238	19.5049	ABMag	r-ZTF	P48_ZTF-Cam	30
42851	2018-11-18 13:01:32	2458441.0427431	16.887	0.0299948	20.0289	ABMag	r-ZTF	P48_ZTF-Cam	30

g-Sloan

ASASSN-5_Payne-Gaposchkin

2018-10-10 02:38:24 - 2018-10-10 02:38:24

2458401.61 - 2458401.61

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
37840	2018-10-10 02:38:24	2458401.61			17.5	ABMag	g-Sloan	ASASSN-5_Payne-Gaposchkin			[Last non detection]

g-Sloan

ASASSN-3_Paczynski

2018-10-20 08:52:48 - 2018-10-20 08:52:48

2458411.87 - 2458411.87

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
37841	2018-10-20 08:52:48	2458411.87	15.8			ABMag	g-Sloan	ASASSN-3_Paczynski

G-Gaia

Gaia_Gaia-photometric

2018-07-15 22:49:26 - 2018-10-22 01:27:50

2458315.4509954 - 2458413.5609954

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
37909	2018-10-22 01:27:50	2458413.5609954	15.66	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
37908	2018-07-15 22:49:26	2458315.4509954			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		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
25277	2018-11-21 13:15:51	ZTF_AMPEL_NEW	J. Nordin,V. Brinnel,M. Giomi et al.	ZTF	ZTF	09:35:39.291	-17:23:11.27	2018-11-02 13:01:11.000	17.1083	r-ZTF		PSN		ZTF18accdvny	ZTF				N
23705	2018-10-23 21:17:11	Gaia_Bot1	A. Delgado,D. Harrison,S. Hodgkin et al.	GaiaAlerts	GaiaAlerts	09:35:39.290	-17:23:11.18	2018-10-22 01:27:50.000	15.66	G-Gaia		PSN		Gaia18dcz	GaiaAlerts		confirmed SN Ia		N
23670	2018-10-20 15:34:09	Krzysztof Stanek	K. Z. Stanek,for the ASAS-SN team et al.	ASAS-SN	ASAS-SN	09:35:39.430	-17:23:10.90	2018-10-20 08:52:48.000	15.8	g-Sloan		PSN	MCG -03-25-010	ASASSN-18yf	ASAS-SN		On the rise	2018TNSTR1609....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

2920

2018-10-23 15:09:34

Jay Strader

Jay Strader

None

SN Ia

0.01412

1

young Ia, Si II at about 11900 km/s

2018TNSCR1625....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
2928	2018-10-23 08:31:44	SOAR / Goodman		Strader		None	tns_2018hme_2018-10-23_08-31-44_SOAR_Goodman.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 23705 of Group GaiaAlerts
Previous RA, DEC: 09:35:39.430, -17:23:10.90 (143.91429, -17.38636)
Updated RA, DEC: 09:35:39.290, -17:23:11.18 (143.913708, -17.386439)

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Finding Chart

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

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