2018cwa | Transient Name Server

RA/DEC (2000)

12:42:43.860 +34:06:26.39

190.68275 +34.107331

Type

SN IIP

Redshift

0.014

Discovery Report Classification Report

Reporting Group

ATLAS

Discovering Data Source

ATLAS

Discovery Date

2018-06-27 06:23:02.000

TNS AT

Y

Public

Y

Discovery Mag

17.923

Filter

orange-ATLAS

Reporter/s

J. Tonry, B. Stalder, L. Denneau, A. Heinze, H. Weiland (IfA, University of Hawaii), A. Rest (STScI), K. W. Smith, S. J. Smartt, D. R. Young, M. Fulton, O. McBrien, D. O'Neill, P. Clark (Queen's University Belfast)

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_r

▌

P48_ZTF-Cam_g

▌

Gaia_Gaia-photometric_G

▌

ATLAS-HKO_ATLAS-02_orange

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
	2410	2018-08-04 04:11:30	P200 / DBSP	300	K. De and Shaney Sze	KK. De	ZTF	tns_2018cwa_2018-08-04_04-11-30_P200_DBSP_ZTF.ascii		Object		2021-08-04
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
	2221	2018-06-28 06:07:08	FTN / FLOYDS-N	3600	Las Cumbres Observatory	Jamison Burke	Global SN Project	tns_2018cwa_2018-06-28_06-07-08_FTN_FLOYDS-N_Global_SN_Project.ascii	tns_2018cwa_2018-06-28_06-07-08_FTN_FLOYDS-N_Global_SN_Project.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

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2018-06-26 05:47:02 - 2018-06-29 06:12:57

2458295.7409954 - 2458298.7589931

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
30834	2018-06-29 06:12:57	2458298.7589931	17.24			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
30832	2018-06-26 05:47:02	2458295.7409954			19.92	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

g-ZTF

P48_ZTF-Cam

2018-06-29 04:17:45 - 2018-06-29 04:17:45

2458298.6789931 - 2458298.6789931

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
30833	2018-06-29 04:17:45	2458298.6789931	17.15			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF

G-Gaia

Gaia_Gaia-photometric

2018-06-10 00:23:02 - 2018-07-13 17:57:07

2458279.5159954 - 2458313.2479977

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
33200	2018-07-13 17:57:07	2458313.2479977	17.08	0.2		ABMag	G-Gaia	Gaia_Gaia-photometric	60	Robot
33199	2018-06-10 00:23:02	2458279.5159954			21.5	ABMag	G-Gaia	Gaia_Gaia-photometric		Robot	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2018-06-26 08:52:48 - 2018-06-27 06:23:02

2458295.87 - 2458296.7659954

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
30729	2018-06-27 06:23:02	2458296.7659954	17.923	0.11	18.91	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot
30728	2018-06-26 08:52:48	2458295.87			18.45	ABMag	orange-ATLAS	ATLAS-HKO_ATLAS-02	30	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
21294	2018-08-06 12:30:08	Gaia_Bot1	A. Delgado,D. Harrison,S. Hodgkin et al.	GaiaAlerts	GaiaAlerts	12:42:43.860	+34:06:26.39	2018-07-13 17:57:07.000	17.08	G-Gaia		PSN		Gaia18cag	GaiaAlerts		confirmed SN IIP in galaxy LEDA 2043902		N
19784	2018-06-30 01:46:48	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al.	ZTF	ZTF	12:42:43.857	+34:06:26.43	2018-06-29 04:17:45.000	17.15	g-ZTF		PSN		ZTF18abdfwcy	ZTF				N
19731	2018-06-27 13:15:39	ATLAS_Bot1	J. Tonry,B. Stalder,L. Denneau et al.	ATLAS	ATLAS	12:42:43.881	+34:06:26.06	2018-06-27 06:23:02.000	17.923	orange-ATLAS		PSN		ATLAS18rrm	ATLAS			2018TNSTR.893....1T	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

2403

2018-08-04 14:11:46

ZTF_Bot1

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

ZTF

SN IIP

0.014

1

ZTF

2018TNSCR2121....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
2410	2018-08-04 04:11:30	P200 / DBSP	300	K. De and Shaney Sze	KK. De	ZTF	tns_2018cwa_2018-08-04_04-11-30_P200_DBSP_ZTF.ascii		Object		2021-08-04

2214

2018-06-28 23:14:12

Jamison Burke

Jamison Burke, Daichi Hiramatsu, Iair Arcavi, Griffin Hosseinzadeh, D. Andrew Howell, Curtis McCully, Stefano Valenti

Global SN Project

SN II

0.013885

1

Global SN Project

We obtained a FLOYDS spectrum of AT 2018cwa at 2018 June 28.25 UT. The spectrum displays a blue featureless continuum consistent with a young Type II supernova. Specific typing is not yet possible, so follow-up is encouraged.

2018TNSCR.898....1B

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
2221	2018-06-28 06:07:08	FTN / FLOYDS-N	3600	Las Cumbres Observatory	Jamison Burke	Global SN Project	tns_2018cwa_2018-06-28_06-07-08_FTN_FLOYDS-N_Global_SN_Project.ascii	tns_2018cwa_2018-06-28_06-07-08_FTN_FLOYDS-N_Global_SN_Project.fits	Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 21294 of Group GaiaAlerts
Previous RA, DEC: 12:42:43.881, +34:06:26.06 (190.682838889, +34.1072388889)
Updated RA, DEC: 12:42:43.860, +34:06:26.39 (190.68275, 34.107331)

Log in or register to post comments

Log in or register to post comments