2019tyn | Transient Name Server

RA/DEC (2000)

04:15:58.106 +37:16:06.82

63.99211 +37.26856

Type

Redshift

Discovery Report Classification Report

Reporting Group

ASAS-SN

Discovering Data Source

ASAS-SN

Discovery Date

2019-11-02 07:55:12.000

TNS AT

Public

Discovery Mag

17.6

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

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
	5435	2019-11-03 10:40:48	UH88 / SNIFS	1800	Hinkle, Tucker		SCAT	tns_2019tyn_2019-11-03_10-40-48_UH88_SNIFS_SCAT.dat		Object			Reduced with a summit-based quick reduction pipeline.
Binning factor: (rounded to nearest integer >1) Mouse hovers at WL: 0 (rest), ▌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 Reduced with a summit-based quick reduction pipeline.

Light Curves

Filter

Tel / Inst

Obs-date range

JD Range

Photometry

g-Sloan

ASASSN-4_Leavitt

2019-10-29 08:09:36 - 2019-11-02 07:55:12

2458785.84 - 2458789.83

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
99416	2019-11-02 07:55:12	2458789.83	17.6			ABMag	g-Sloan	ASASSN-4_Leavitt
99415	2019-10-29 08:09:36	2458785.84			18.2	ABMag	g-Sloan	ASASSN-4_Leavitt			[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
51436	2019-11-02 15:10:03	Krzysztof Stanek	K. Z. Stanek, for the ASAS-SN team	ASAS-SN	ASAS-SN	04:15:58.106	+37:16:06.82	2019-11-02 07:55:12.000	17.6	g-Sloan		PSN		ASASSN-19aal	ASAS-SN		In two epochs, on the rise, possible faint Vizier/PS1 match, might be a SLSN, or a CV	2019TNSTR2246....1S	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

5426

2019-11-03 15:19:02

Jason Hinkle

J. Hinkle, M. Tucker, A. Payne, A. Do, J. Bredall, M. Huber, B. Shappee, and the ASAS-SN team

SCAT

Blue continuum with Balmer series in absorption and emission at z = 0 consistent with a CV outburst.

2019TNSCR2260....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
5435	2019-11-03 10:40:48	UH88 / SNIFS	1800	Hinkle, Tucker		SCAT	tns_2019tyn_2019-11-03_10-40-48_UH88_SNIFS_SCAT.dat		Object			Reduced with a summit-based quick reduction pipeline.

AT 2019tyn

Spectra

Light curves

Comments