2018fpb | Transient Name Server

RA/DEC (2000)

23:59:42.813 +34:20:40.04

359.928388417 +34.3444544448

Type

SN II

Redshift

0.0148

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2018-08-31 12:57:36.000

TNS AT

Y

Public

Y

Host Name

KUG 2357+340

Host Redshift

0.0148

Discovery Mag

16.8

Filter

V-Johnson

Reporter/s

J. Brimacombe, 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
	2700	2018-09-09 09:54:13	P60 / SEDM	1440	SEDmRobot	auto	ZTF	tns_2018fpb_2018-09-09_09-54-13_P60_SED-Machine_ZTF.ascii		Object		2021-09-10
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
	2670	2018-09-04 17:31:12	Lijiang-2.4m / YFOSC	1350	Jujia Zhang		None	tns_2018fpb_2018-09-04.73_Lijiang-2.4m_YFOSC.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

2018-08-25 11:44:09 - 2018-11-10 06:12:33

2458355.9889931 - 2458432.7587153

14

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
40627	2018-11-10 06:12:33	2458432.7587153	17.1668	0.0352105	20.418	ABMag	r-ZTF	P48_ZTF-Cam	30
40632	2018-11-07 06:24:18	2458429.766875	17.0977	0.0401654	20.7579	ABMag	r-ZTF	P48_ZTF-Cam	30
39529	2018-11-07 06:24:18	2458429.766875	17.0977	0.0401654	20.7579	ABMag	r-ZTF	P48_ZTF-Cam	30
39526	2018-11-04 05:52:34	2458426.744838	17.0949	0.0372446	20.4147	ABMag	r-ZTF	P48_ZTF-Cam	30
40630	2018-11-04 05:52:34	2458426.744838	17.0949	0.0372446	20.4147	ABMag	r-ZTF	P48_ZTF-Cam	30
39030	2018-11-04 05:52:34	2458426.744838	17.0949	0.0372446	20.4147	ABMag	r-ZTF	P48_ZTF-Cam	30
38912	2018-11-04 05:52:34	2458426.744838	17.0949	0.0372446	20.4147	ABMag	r-ZTF	P48_ZTF-Cam	30
38914	2018-11-01 07:19:58	2458423.805544	17.0439	0.029959	20.4131	ABMag	r-ZTF	P48_ZTF-Cam	30
39524	2018-11-01 07:19:58	2458423.805544	17.0439	0.029959	20.4131	ABMag	r-ZTF	P48_ZTF-Cam	30
39032	2018-11-01 07:19:58	2458423.805544	17.0439	0.029959	20.4131	ABMag	r-ZTF	P48_ZTF-Cam	30
40628	2018-11-01 07:19:58	2458423.805544	17.0439	0.029959	20.4131	ABMag	r-ZTF	P48_ZTF-Cam	30
34908	2018-09-03 07:43:40	2458364.8219907	16.53			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
34907	2018-08-28 09:40:19	2458358.9029977	17.95			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
34906	2018-08-25 11:44:09	2458355.9889931			20.23	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

g-ZTF

P48_ZTF-Cam

2018-08-28 08:40:16 - 2018-11-07 05:13:16

2458358.8613 - 2458429.7175463

14

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
40631	2018-11-07 05:13:16	2458429.7175463	18.2905	0.0729454	20.8238	ABMag	g-ZTF	P48_ZTF-Cam	30
39527	2018-11-07 05:13:16	2458429.7175463	18.2905	0.0729454	20.8238	ABMag	g-ZTF	P48_ZTF-Cam	30
38911	2018-11-04 05:17:57	2458426.7207986	18.3127	0.0818825	20.3966	ABMag	g-ZTF	P48_ZTF-Cam	30
39029	2018-11-04 05:17:57	2458426.7207986	18.3127	0.0818825	20.3966	ABMag	g-ZTF	P48_ZTF-Cam	30
40629	2018-11-04 05:17:57	2458426.7207986	18.3127	0.0818825	20.3966	ABMag	g-ZTF	P48_ZTF-Cam	30
39525	2018-11-04 05:17:57	2458426.7207986	18.3127	0.0818825	20.3966	ABMag	g-ZTF	P48_ZTF-Cam	30
39031	2018-11-01 05:20:11	2458423.7223495	18.1393	0.0560904	20.7886	ABMag	g-ZTF	P48_ZTF-Cam	30
39528	2018-11-01 05:20:11	2458423.7223495	18.1393	0.0560904	20.7886	ABMag	g-ZTF	P48_ZTF-Cam	30
38913	2018-11-01 05:20:11	2458423.7223495	18.1393	0.0560904	20.7886	ABMag	g-ZTF	P48_ZTF-Cam	30
40633	2018-11-01 05:20:11	2458423.7223495	18.1393	0.0560904	20.7886	ABMag	g-ZTF	P48_ZTF-Cam	30
39523	2018-08-28 08:40:16	2458358.8613			19.54	ABMag	g-ZTF	P48_ZTF-Cam	30		[Last non detection]
40626	2018-08-28 08:40:16	2458358.8613			19.54	ABMag	g-ZTF	P48_ZTF-Cam	30		[Last non detection]
39028	2018-08-28 08:40:16	2458358.8613			19.54	ABMag	g-ZTF	P48_ZTF-Cam	30		[Last non detection]
38910	2018-08-28 08:40:16	2458358.8613			19.54	ABMag	g-ZTF	P48_ZTF-Cam	30		[Last non detection]

orange-ATLAS

ATLAS-MLO_ATLAS-01

2018-08-31 12:33:07 - 2018-08-31 12:33:07

2458362.0229977 - 2458362.0229977

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
34797	2018-08-31 12:33:07	2458362.0229977	16.938	0.055	19.03	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot

orange-ATLAS

ATLAS-HKO_ATLAS-02

2018-08-21 14:21:07 - 2018-08-21 14:21:07

2458352.0979977 - 2458352.0979977

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
34796	2018-08-21 14:21:07	2458352.0979977			19.62	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot	[Last non detection]

w-P1

PS1_GPC1

2018-12-12 05:00:57 - 2018-12-12 05:00:57

2458464.7089931 - 2458464.7089931

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
46114	2018-12-12 05:00:57	2458464.7089931	18.1	0.02	22	ABMag	w-P1	PS1_GPC1	45	Robot

V-Johnson

ASASSN-1_Brutus

2018-08-22 12:00:00 - 2018-08-31 12:57:36

2458353 - 2458362.04

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
34672	2018-08-31 12:57:36	2458362.04	16.8			VegaMag	V-Johnson	ASASSN-1_Brutus
34671	2018-08-22 12:00:00	2458353			17.8	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
26383	2018-12-15 20:11:13	PS1_Bot1	K. C. Chambers,M. E. Huber,H. Flewelling et al.	Pan-STARRS	Pan-STARRS	23:59:42.813	+34:20:40.04	2018-12-12 05:00:57.000	18.1	w-P1		PSN		PS18bxt	Pan-STARRS				N
24650	2018-11-10 14:20:03	ZTF_AMPEL_NEW	J. Nordin,V. Brinnel,M. Giomi (HU Berlin) et al.	ZTF	ZTF	23:59:42.817	+34:20:39.99	2018-10-06 08:19:34.000	17.1668	r-ZTF		PSN		ZTF18abqyvzy	ZTF				N
24331	2018-11-07 15:21:08	ZTF_AMPEL_NEW	J. Nordin,V. Brinnel (HU Berlin),A. Gal-Yam et al.	ZTF	ZTF	23:59:42.818	+34:20:39.99	2018-10-06 08:19:34.000	17.0439	r-ZTF		PSN		ZTF18abqyvzy	ZTF				N
24201	2018-11-07 14:54:17	ZTF_AMPEL_NEW	J. Nordin,V. Brinnel (HU Berlin),A. Gal-Yam et al.	ZTF	ZTF	23:59:42.816	+34:20:40.00	2018-10-06 08:19:34.000	18.3127	g-ZTF		PSN		ZTF18abqyvzy	ZTF				N
24172	2018-11-07 14:52:27	ZTF_AMPEL_NEW	J. Nordin,V. Brinnel (HU Berlin),A. Gal-Yam et al.	ZTF	ZTF	23:59:42.816	+34:20:40.00	2018-10-06 08:19:34.000	18.3127	g-ZTF		PSN		ZTF18abqyvzy	ZTF				N
22159	2018-09-04 03:02:08	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al.	ZTF	ZTF	23:59:42.816	+34:20:39.98	2018-08-28 09:40:19.000	17.95	r-ZTF		PSN		ZTF18abqyvzy	ZTF				N
22105	2018-09-02 15:07:34	ATLAS_Bot1	J. Tonry,B. Stalder,L. Denneau et al.	ATLAS	ATLAS	23:59:42.796	+34:20:40.30	2018-08-31 12:33:07.000	16.938	orange-ATLAS		PSN		ATLAS18udk	ATLAS				N
22051	2018-08-31 21:10:50	Krzysztof Stanek	J. Brimacombe,K. Z. Stanek,for the ASAS-SN team et al.	ASAS-SN	ASAS-SN	23:59:42.665	+34:20:40.16	2018-08-31 12:57:36.000	16.8	V-Johnson		PSN	KUG 2357+340	ASASSN-18tn	ASAS-SN		In two epochs	2018TNSTR1265....1B	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

2693

2018-09-10 17:43:39

ZTF_Bot1

C. Fremling, A. Dugas, Y. Sharma (Caltech) on behalf of the Zwicky Transient Facility (ZTF)

ZTF

SN II

0.0148

1

ZTF

2018TNSCR2143....1F

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
2700	2018-09-09 09:54:13	P60 / SEDM	1440	SEDmRobot	auto	ZTF	tns_2018fpb_2018-09-09_09-54-13_P60_SED-Machine_ZTF.ascii		Object		2021-09-10

2663

2018-09-05 11:15:33

Jujia Zhang

Jujia Zhang, Xiliang Zhang (YNAO) ; Xiaofeng Wang, Saihanna (Tsinghua University)

None

SN IIb

0.016

1

The spectrum is consistent with a type IIb supernova at a few days before the maximum light.

2018TNSCR1306....1Z

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
2670	2018-09-04 17:31:12	Lijiang-2.4m / YFOSC	1350	Jujia Zhang		None	tns_2018fpb_2018-09-04.73_Lijiang-2.4m_YFOSC.dat		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 26383 of Group Pan-STARRS1
Previous RA, DEC: 23:59:42.665, +34:20:40.16 (359.92777, +34.34449)
Updated RA, DEC: 23:59:42.813, +34:20:40.04 (359.928388417, 34.3444544448)

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Finding Chart

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

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