2022actd | Transient Name Server

RA/DEC (2000)

09:34:07.488 +09:37:05.72

143.5312019 +9.6182561

Type

SLSN-II

Redshift

0.316

Discovery Report Classification Report

Related AstroNotes: 2022-265

Reporting Group

ZTF

Discovering Data Source

ZTF

Discovery Date

2022-10-31 10:43:40.800

TNS AT

Public

Discovery Mag

20.24

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

▌

ATLAS-CHL_ATLAS-04_orange_

▌

P48_ZTF-Cam_r_

▌

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
	14445	2023-01-28 03:01:20	LT / SPRAT	3000	LTbot	I. Perez-Fournon and F. Poidevin	SGLF	tns_2022actd_2023-01-28_03-01-20_LT_SPRAT_SGLF.txt		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

orange-ATLAS

ATLAS-CHL_ATLAS-04

2022-12-18 07:27:09 - 2022-12-18 07:27:09

2459931.81052 - 2459931.81052

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
322021	2022-12-18 07:27:09	2459931.81052	19.171	0.154	19.47	ABMag	orange-ATLAS	ATLAS-CHL_ATLAS-04	30	Robot

r-ZTF

P48_ZTF-Cam

2022-10-29 11:51:22 - 2022-12-10 08:41:17

2459881.994 - 2459923.862

Photometry

ID	Obs-date	JD	Mag. / Flux	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
321247	2022-12-10 08:41:17	2459923.862	19.35		ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
321246	2022-10-31 10:43:41	2459883.947	20.24		ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF
321245	2022-10-29 11:51:22	2459881.994		20.16	ABMag	r-ZTF	P48_ZTF-Cam	30	ZTF	[Last non detection]

orange-ATLAS

ATLAS-HKO_ATLAS-02

2022-12-15 11:35:41 - 2022-12-15 11:35:41

2459928.98311 - 2459928.98311

Photometry

ID	Obs-date	JD	Mag. / Flux	Err	Lim. Mag./Flux	Units	Filter	Tel / Inst	Exp-time	Observer/s	Remarks
322020	2022-12-15 11:35:41	2459928.98311			19.02	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	Bibcode	Unreal	Auto classification
167119	2022-12-18 21:15:07	ATLAS_Bot1	J. Tonry,L. Denneau,H. Weiland et al.	ATLAS	ATLAS	09:34:07.501	+09:37:05.89	2022-12-18 07:27:08.928	19.171	orange-ATLAS		PSN		ATLAS22bnwt	ATLAS				N
166716	2022-12-10 16:28:38	ZTF_Bot1	C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration et al.	ZTF	ZTF	09:34:07.488	+09:37:05.72	2022-10-31 10:43:40.800	20.24	r-ZTF		PSN		ZTF22abxsghc	ZTF			2022TNSTR3565....1F	N

Classification Reports

Time received (UT)

Sender

Classifier/s

Group

Classification

Redshift

Spectra

Related files

Assoc. Groups

End prop. period

Remarks

ADS Bibcode

14371

2023-02-02 21:07:50

Ismael Perez-Fournon

I. Pérez-Fournon, F. Poidevin (IAC & ULL), Z. Delgado-González (ULL), S. Geier (GRANTECAN & IAC), C. Jiménez Angel (IAC & ULL), R. Könyves-Tóth (Konkoly Observatory, Univ. of Szeged), R. Marques-Chaves (Univ. of Geneva), C. M. B. Omand (The Oskar Klein Centre), and R. Shirley (Univ. of Southampton) on behalf of the SGLF SLSN group

SGLF

SLSN-II

0.316

SGLF

AT 2022actd (ZTF22abxsghc, ATLAS22bnwt) was selected for LT SPRAT spectroscopy as a SLSN candidate using the ZTF public alerts, ATLAS forced photometry, the ALeRCE light curve classification, and our SGLF ZTF database and filters. It was also reported as a SLSN candidate by Chen et al. (AstroNote 2022-265). The classification and redshift were determined from our LT SPRAT spectrum using SNID (S. Blondin & J. L. Tonry 2007, ApJ, 666, 1024), with matches to type II SLSNe at z = 0.316. The host galaxy is a red galaxy with DESI Legacy Imaging Surveys DR10 magnitudes g=20.54, r=19.58, i=19.17, z=18.85. The reported redshift is based on the SN Hbeta emission line. ZTF light curve: https://lasair-ztf.lsst.ac.uk/object/ZTF22abxsghc/ https://alerce.online/object/ZTF22abxsghc https://antares.noirlab.edu/loci/ANT20220rrye746hlit DESI imaging finding chart: https://www.legacysurvey.org/viewer?ra=143.5312019&dec=9.6182561&zoom=16&layer=ls-dr10&mark=143.5312019,9.6182561

2023TNSCR.269....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
14445	2023-01-28 03:01:20	LT / SPRAT	3000	LTbot	I. Perez-Fournon and F. Poidevin	SGLF	tns_2022actd_2023-01-28_03-01-20_LT_SPRAT_SGLF.txt		Object

SN 2022actd

Spectra

Light curves

Comments