2018bq | Transient Name Server

RA/DEC (2000)

11:05:59.588 -12:31:37.93

166.498284166 -12.5272041218

Type

SN Ia

Redshift

0.0256

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-01-08 08:52:48.000

TNS AT

Y

Public

Y

Host Name

LCRS B110329.3-121524

Host Redshift

0.025628

Discovery Mag

16.1

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

▌

PS1_GPC1_i

▌

ASASSN-1_Brutus_V

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
	1619	2018-01-09 19:18:54	BAO-2.16m / Cassegrain	3600	F. Xiao, J. Ren(NAOC)	H. Lin(THU)	None	tns_2018bq_2458128.3048_BAO-2.16m_Cassegrain.txt		Object			Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J., 666, 1024) indicates that this transient is consistent with a type Ia supernova a about one week before maximum light.
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 Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J., 666, 1024) indicates that this transient is consistent with a type Ia supernova a about one week before maximum light.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

g-Sloan

ASASSN-4_Leavitt

2018-01-08 08:52:48 - 2018-01-08 08:52:48

2458126.87 - 2458126.87

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
24513	2018-01-08 08:52:48	2458126.87	16.1			ABMag	g-Sloan	ASASSN-4_Leavitt

i-P1

PS1_GPC1

2017-12-30 13:50:52 - 2017-12-30 13:50:52

2458118.0769907 - 2458118.0769907

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
24997	2017-12-30 13:50:52	2458118.0769907	18.33	0.03	20.7	ABMag	i-P1	PS1_GPC1	45	Robot

V-Johnson

ASASSN-1_Brutus

2018-01-03 12:00:00 - 2018-01-03 12:00:00

2458122 - 2458122

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
24512	2018-01-03 12:00:00	2458122			16.6	VegaMag	V-Johnson	ASASSN-1_Brutus			[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
16626	2018-01-24 18:41:03	PS1_Bot1	K. C. Chambers, M. E. Huber, H. Flewelling et al.	Pan-STARRS	Pan-STARRS	11:05:59.588	-12:31:37.93	2017-12-30 13:50:52.000	18.33	i-P1		PSN		PS18eu	Pan-STARRS				N
16331	2018-01-08 10:57:33	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	11:05:59.834	-12:31:37.34	2018-01-08 08:52:48.000	16.1	g-Sloan		PSN	LCRS B110329.3-121524	ASASSN-18ac	ASAS-SN		In several epochs, on the rise	2018TNSTR..28....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

1615

2018-01-10 07:11:11

Lin Han

H. Lin, D. Xiang, L. Rui, X. Wang(THU), F. Xiao, J. Ren(NAOC), T. Zhang(NAOC), J. Zhang(YNAO)

None

SN Ia

0.0256

1

TNTS

2018TNSCR..38....1L

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
1619	2018-01-09 19:18:54	BAO-2.16m / Cassegrain	3600	F. Xiao, J. Ren(NAOC)	H. Lin(THU)	None	tns_2018bq_2458128.3048_BAO-2.16m_Cassegrain.txt		Object			Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J., 666, 1024) indicates that this transient is consistent with a type Ia supernova a about one week before maximum light.

Comments

PS1 report for 2017jzz was associated with this object - 2018bq

The coordinates of this object - 2018bq - were updated according to the coordinates reported by PS1, and object 2017jzz was removed.

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Finding Chart

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

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