2019cwu | Transient Name Server

RA/DEC (2000)

14:51:37.295 +48:59:13.73

222.905396 +48.987147

Type

SLSN-I

Redshift

0.32

Discovery Report Classification Report

Related AstroNotes: 2019-45

Reporting Group

None

Discovering Data Source

None

Discovery Date

2019-04-02 00:00:00.000

TNS AT

Public

Discovery Mag

20.652

Filter

g-ZTF

Reporter/s

Mathew Smith

NED SIMBAD DECaLS PanSTARRS-1 SkyMapper VizieR WISE DSS ADS

Light curves

▌

P48_ZTF-Cam_r_

▌

P48_ZTF-Cam_g_

Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)

Spectra

Select	ID	Obs-date (UT)	Tel / Inst	Observer/s	Reducer/s	Group	Spectrum ascii file	Spectrum fits file	Spec. Type	End prop. period	Remarks
	4497	2019-07-02 09:13:38	Keck1 / LRIS	Yan	Perley	ZTF	tns_2019cwu_2019-07-02_09-13-38_Keck1_LRIS_ZTF.spec		Object	2021-01-10	Spectrum resembles late-time Ic SNe redshifted to z~0.32.
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 Spectrum resembles late-time Ic SNe redshifted to z~0.32.
	3818	2019-04-07 00:00:00	LT / SPRAT	C. Angus	M. Smith	None	tns_2019cwu_2019-04-07_LT_SPRAT.asci	tns_2019cwu_2019-04-07_LT_SPRAT.fits	Object		Spectrum is of a blue continuum with uncertain redshift.
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 Spectrum is of a blue continuum with uncertain redshift.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

r-ZTF

P48_ZTF-Cam

2019-03-30 00:00:00 - 2019-03-30 00:00:00

2458572.5 - 2458572.5

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
59163	2019-03-30 00:00:00	2458572.5			20.719	ABMag	r-ZTF	P48_ZTF-Cam			[Last non detection]

g-ZTF

P48_ZTF-Cam

2019-04-02 00:00:00 - 2019-04-02 00:00:00

2458575.5 - 2458575.5

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
59164	2019-04-02 00:00:00	2458575.5	20.652		21	ABMag	g-ZTF	P48_ZTF-Cam

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	Bibcode	Unreal	Auto classification
32152	2019-04-08 17:26:18	Mathew Smith	Mathew Smith et al.			14:51:37.295	+48:59:13.73	2019-04-02 00:00:00.000	20.652	g-ZTF		PSN		ZTF19aapaeye			Transient detected by ZTF on 2019-04-02.	2019TNSTR.516....1S	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

4490

2019-07-10 17:36:13

Daniel Perley

Daniel Perley (LJMU), Lin Yan (Caltech), Ragnhild Lunnan (Stockholm), Avishay Gal-Yam, Steve Schulze, Ofer Yaron (Weizmann)

ZTF

SLSN-I

0.32

Add

ZTF

2019TNSCR2829....1P

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
4497	2019-07-02 09:13:38	Keck1 / LRIS		Yan	Perley	ZTF	tns_2019cwu_2019-07-02_09-13-38_Keck1_LRIS_ZTF.spec		Object		2021-01-10	Spectrum resembles late-time Ic SNe redshifted to z~0.32.

3811

2019-04-08 17:29:11

Mathew Smith

None

Other

Classification is of a blue continuum with unknown redshift.

2019TNSCR.522....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
3818	2019-04-07 00:00:00	LT / SPRAT		C. Angus	M. Smith	None	tns_2019cwu_2019-04-07_LT_SPRAT.asci	tns_2019cwu_2019-04-07_LT_SPRAT.fits	Object			Spectrum is of a blue continuum with uncertain redshift.

SN 2019cwu

Spectra

Light curves

Comments