2017gww | Transient Name Server

RA/DEC (2000)

00:03:49.210 +07:28:00.30

0.955042 +7.46675

Type

SN II

Redshift

0.017

Discovery Report Classification Report

Reporting Group

None

Discovering Data Source

None

Discovery Date

2017-09-26 13:16:20.000

TNS AT

Y

Public

Y

Host Name

NGC7816

Discovery Mag

17.9

Filter

Clear-

Reporter/s

Koichi Itagaki

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

Gaia_Gaia-photometric_G

▌

PS1_GPC1_w

▌

Other_Other_Clear

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
	1248	2017-09-28 03:25:18	ESO-NTT / EFOSC2-NTT	617	S.T. Hodgkin, K. Rybicki	M. Fraser, E. Callis	ePESSTO	tns_2017gww_2017-09-28_03-25-18_ESO-NTT_EFOSC2-NTT_ePESSTO.asci	tns_2017gww_2017-09-28_03-25-18_ESO-NTT_EFOSC2-NTT_ePESSTO.fits	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
	1243	2017-09-27 16:59:05	BAO-2.16m / Cassegrain	3600	Qian Yang(PKU), Feng Xiao(NAOC)	Han Lin(THU)	None	tns_2017gww_2458024.2077_BAO-2.16m_Cassegrain.txt		Object			A spectrum taken on UT Sept. 27.71 2017of this transient shows very blue and contimum spectral feaure like typical SNe II in early phase.
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 A spectrum taken on UT Sept. 27.71 2017of this transient shows very blue and contimum spectral feaure like typical SNe II in early phase.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

G-Gaia

Gaia_Gaia-photometric

2017-07-17 07:17:45 - 2017-12-03 06:36:00

2457951.8039931 - 2458090.775

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
22914	2017-12-03 06:36:00	2458090.775	17.82	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
22913	2017-07-17 07:17:45	2457951.8039931			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

w-P1

PS1_GPC1

2017-10-18 08:51:21 - 2017-10-18 08:51:21

2458044.8689931 - 2458044.8689931

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
21594	2017-10-18 08:51:21	2458044.8689931	17.52	0.01	22	ABMag	w-P1	PS1_GPC1	45	Robot

Clear-

Other_Other

2017-09-26 13:16:20 - 2017-09-26 15:22:09

2458023.0530093 - 2458023.1403819

4

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
20580	2017-09-26 15:22:09	2458023.1403819	17.6	0.05	19.5	VegaMag	Clear-	Other_Other	120	Yasuo Sano	SCT 0.36-m F/7.1 reflector + ST9E CCD, Nayoro Hokkaido Japan
20586	2017-09-26 15:08:12	2458023.1306944	18.1			VegaMag	Clear-	Other_Other	160	Toshihide Noguchi	0.23-m /f10
20578	2017-09-26 13:16:20	2458023.0530093	17.9		20	VegaMag	Clear-	Other_Other	20	K.Itagaki	0.6-m/f6.8
20579	2017-09-26 13:16:20	2458023.0530093			19	VegaMag	Clear-	Other_Other	120	Yasuo Sano	[Last non detection] Telescope:SCT 0.36-m F/7.1 reflector

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

15185

2017-12-04 20:08:37

Gaia_Bot1

A. Delgado,D. Harrison,S. Hodgkin et al.

GaiaAlerts

GaiaAlerts

00:03:49.210

+07:28:00.30

2017-12-03 06:36:00.000

17.82

G-Gaia

PSN

Gaia17ddj

GaiaAlerts

confirmed SN II in outskirts of galaxy NGC 7816, aka SN 2017gww

N

14349

2017-10-30 17:32:06

PS1_Bot1

K. C. Chambers,M. E. Huber,H. Flewelling et al.

Pan-STARRS

Pan-STARRS

00:03:49.210

+07:28:00.30

2017-10-18 08:51:21.000

17.52

w-P1

PSN

PS17evv

Pan-STARRS

N

13757

2017-09-27 00:34:29

Toshihide Noguchi

Toshihide Noguchi et al.

00:03:49.210

+07:28:00.10

2017-09-26 15:08:12.000

18.1

Clear-

PSN

NGC7816

Followup observation

N

13754

2017-09-26 15:53:56

Yasuo Sano

Yasuo Sano et al.

00:03:49.210

+07:28:00.10

2017-09-26 15:22:09.000

17.6

Clear-

1

PSN

NGC7816

Followup ovservation

N

Related files

File	Comments	Last Modified (UT)	Modified By
tns_2017gww_atrep_13754.jpg		2017-09-26 15:53:56	Yasuo Sano

13753

2017-09-26 13:52:08

Koichi Itagaki

Koichi Itagaki et al.

00:03:49.210

+07:28:00.10

2017-09-26 13:16:20.000

17.9

Clear-

PSN

NGC7816

2017TNSTR1034....1I

N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

1244

2017-09-28 15:08:24

ePESSTO_Bot1

S.T. Hodgkin, K. Rybicki, M. Fraser, E. Callis, O. Yaron, N. Knezevic on behalf of ePESSTO

ePESSTO

SN II

0.017

1

ePESSTO

2017TNSCR1539....1H

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
1248	2017-09-28 03:25:18	ESO-NTT / EFOSC2-NTT	617	S.T. Hodgkin, K. Rybicki	M. Fraser, E. Callis	ePESSTO	tns_2017gww_2017-09-28_03-25-18_ESO-NTT_EFOSC2-NTT_ePESSTO.asci	tns_2017gww_2017-09-28_03-25-18_ESO-NTT_EFOSC2-NTT_ePESSTO.fits	Object

1239

2017-09-28 06:11:44

Danfeng Xiang

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

None

SN II

0.01748

1

TNTS

2017TNSCR1041....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
1243	2017-09-27 16:59:05	BAO-2.16m / Cassegrain	3600	Qian Yang(PKU), Feng Xiao(NAOC)	Han Lin(THU)	None	tns_2017gww_2458024.2077_BAO-2.16m_Cassegrain.txt		Object			A spectrum taken on UT Sept. 27.71 2017of this transient shows very blue and contimum spectral feaure like typical SNe II in early phase.

Comments

Object coordinates updated

Object coordinates updated according to AT-report 15185 of Group GaiaAlerts
Previous RA, DEC: 00:03:49.210, +07:28:00.10 (0.955042, +7.466694)
Updated RA, DEC: 00:03:49.210, +07:28:00.30 (0.955042, 7.46675)

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