2018cqw | Transient Name Server

RA/DEC (2000)

18:17:32.208 +19:26:40.49

274.3842 +19.44458

Type

SN Ia

Redshift

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-06-18 04:48:00.000

TNS AT

Y

Public

Y

Host Name

PGC061689

Host Redshift

0.009843

Comments

[Object cross-matched with PGC061689]

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-4_Leavitt_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
	2161	2018-06-19 05:12:28	SOAR / Goodman		Strader		None	tns_2018cqw_2458288.717_SOAR_Goodman.dat		Object			Si II
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), ▌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 z-step: v-step: Remarks Si II

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

g-Sloan

ASASSN-4_Leavitt

2018-06-15 07:55:12 - 2018-06-18 04:48:00

2458284.83 - 2458287.7

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
30325	2018-06-18 04:48:00	2458287.7	16.8			ABMag	g-Sloan	ASASSN-4_Leavitt
30324	2018-06-15 07:55:12	2458284.83			18.4	ABMag	g-Sloan	ASASSN-4_Leavitt			[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
19552	2018-06-18 15:03:56	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	18:17:32.208	+19:26:40.49	2018-06-18 04:48:00.000	16.8	g-Sloan		PSN	CGCG 113-034	ASASSN-18na	ASAS-SN		On the rise, nuclear event, so might also be a TDE	2018TNSTR.842....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

2154

2018-06-19 16:58:36

Jay Strader

Jay Strader

None

SN Ia

1

SNID suggests Ia about 7 d before peak; Si II velocity is around 13,000 km/s.

2018TNSCR.853....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
2161	2018-06-19 05:12:28	SOAR / Goodman		Strader		None	tns_2018cqw_2458288.717_SOAR_Goodman.dat		Object			Si II

Comments

Confirmation SN 2018 cqw.

SN 2018 cqw image, made with a 0.30 newton f: 4 ccd, Obs.Paus B49 J.Camarasa

AT2018cqwB49.jpg

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Finding Chart

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

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