2022ljr | Transient Name Server

RA/DEC (2000)

15:43:02.080 +18:04:35.98

235.758666874 +18.0766620645

Type

SLSN-I

Redshift

0.2

Discovery Report Classification Report

Related AstroNotes: 2022-136

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2022-05-31 06:38:52.800

TNS AT

Y

Public

Y

Discovery Mag

20.28

Filter

r-ZTF

Reporter/s

C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration

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
	12816	2022-07-03 03:34:16	SOAR / Goodman	1800	Kyle Davis (UCSC)	Kyle Davis (UCSC)	UCSC	tns_2022ljr_2022-07-03_03-34-16_SOAR_Goodman_UCSC.flm		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

z-P1

PS2_GPC2

2022-05-30 08:04:49 - 2022-05-30 08:04:49

2459729.83668 - 2459729.83668

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
286885	2022-05-30 08:04:49	2459729.83668	20.63	0.27	20.4	ABMag	z-P1	PS2_GPC2	27	Robot

r-ZTF

P48_ZTF-Cam

2022-05-28 06:07:12 - 2022-05-31 06:38:53

2459727.755 - 2459730.777

2

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
285302	2022-05-31 06:38:53	2459730.777	20.28			ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
285301	2022-05-28 06:07:12	2459727.755			20.3	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

g-ZTF

P48_ZTF-Cam

2022-05-31 08:39:50 - 2022-05-31 08:39:50

2459730.861 - 2459730.861

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
285303	2022-05-31 08:39:50	2459730.861	19.69			ABMag	g-ZTF	P48_ZTF-Cam	30	ZTF

orange-ATLAS

ATLAS-MLO_ATLAS-01

2022-06-02 10:42:39 - 2022-06-02 10:42:39

2459732.94628 - 2459732.94628

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
286528	2022-06-02 10:42:39	2459732.94628			19.43	ABMag	orange-ATLAS	ATLAS-MLO_ATLAS-01	30	Robot	[Last non detection]

cyan-ATLAS

ATLAS-HKO_ATLAS-02

2022-06-03 08:39:51 - 2022-06-03 08:39:51

2459733.86101 - 2459733.86101

1

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
286529	2022-06-03 08:39:51	2459733.86101	19.237	0.142	19.72	ABMag	cyan-ATLAS	ATLAS-HKO_ATLAS-02	30	Robot

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
149506	2022-06-05 16:52:42	YSE_Bot1	D. O. Jones (UC Santa Cruz), K. D. French (Carnegie, Illinois), A. Agnello et al.	YSE	Pan-STARRS	15:43:02.080	+18:04:35.98	2022-05-30 08:04:49.152	20.63	z-P1		PSN		PS22ezd	Pan-STARRS, YSE				N
149354	2022-06-04 12:22:33	ATLAS_Bot1	J. Tonry, L. Denneau, H. Weiland (IfA, University of Hawaii) et al.	ATLAS	ATLAS	15:43:02.066	+18:04:35.67	2022-06-03 08:39:51.264	19.237	cyan-ATLAS		PSN		ATLAS22pxh	ATLAS				N
148778	2022-05-31 18:12:26	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration	ZTF	ZTF	15:43:02.067	+18:04:35.90	2022-05-31 06:38:52.800	20.28	r-ZTF		PSN		ZTF22aalzjdc	ZTF			2022TNSTR1498....1F	N

Classification Reports

ID

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

12758

2022-07-05 00:00:40

Kyle Davis

Kyle Davis (UCSC), Ryan Foley (UCSC), Georgios Dimitriadis (TCD), Kaylee de Soto (PSU)

UCSC

SLSN-I

0.2

1

UCSC

We find good matches to PTF09cnd and other SLSNe-I. The transient peaked at m ~ 19 mag, corresponding to M ~ -21.1 mag at z = 0.20, similar to SLSN peak luminosities.

2022TNSCR1881....1D

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
12816	2022-07-03 03:34:16	SOAR / Goodman	1800	Kyle Davis (UCSC)	Kyle Davis (UCSC)	UCSC	tns_2022ljr_2022-07-03_03-34-16_SOAR_Goodman_UCSC.flm		Object

Comments

Object coordinates updated

Object coordinates updated according to AT-report 149506 of Group Pan-STARRS
Previous RA, DEC: 15:43:02.067, +18:04:35.90 (235.758614, +18.0766392)
Updated RA, DEC: 15:43:02.080, +18:04:35.98 (235.758666874, 18.0766620645)

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