RA/DEC (2000)
23:03:54.175 +15:46:19.75
345.975728303 +15.7721520676
Type
SLSN-I
Redshift
0.308
Discovery ReportClassification Report
Related AstroNotes: 2022-265
Reporting Group
ZTF
Discovering Data Source
ZTF
Discovery Date
2022-11-13 04:06:14.400
TNS AT
Y
Public
Y
Discovery Mag
20.44
Filter
g-ZTF
Reporter/s
C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration
NEDSIMBADDECaLSPanSTARRS-1SkyMapperVizieRWISEDSSADS

Spectra

 ▌SN_2022abtm - 2022-12-23 21:11:42 LT / SPRAT (SGLF)z=
▌Show H at z=vexp= km/s
▌Show He at z=vexp= km/s
▌Show He II at z=vexp= km/s
▌Show C II at z=vexp= km/s
▌Show C III at z=vexp= km/s
▌Show C IV at z=vexp= km/s
▌Show N II at z=vexp= km/s
▌Show N III at z=vexp= km/s
▌Show N IV at z=vexp= km/s
▌Show N V at z=vexp= km/s
▌Show O at z=vexp= km/s
▌Show [O I] at z=vexp= km/s
▌Show O II at z=vexp= km/s
▌Show [O II] at z=vexp= km/s
▌Show [O III] at z=vexp= km/s
▌Show O V at z=vexp= km/s
▌Show O VI at z=vexp= km/s
▌Show Na at z=vexp= km/s
▌Show Mg at z=vexp= km/s
▌Show Mg II at z=vexp= km/s
▌Show Si II at z=vexp= km/s
▌Show S II at z=vexp= km/s
▌Show Ca II at z=vexp= km/s
▌Show [Ca II] at z=vexp= km/s
▌Show Fe II at z=vexp= km/s
▌Show Fe III at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Å at z=vexp= km/s
▌Show Tellurics 
▌Show Galaxy lines at z=
▌Show WR-WN at z=vexp= km/s
▌Show WR-WC/O at z=vexp= km/s
z-step:   v-step: 
   Binning factor: (rounded to nearest integer >1)
Mouse hovers at WL: 0 (rest),0 (observed)

Light curves

 ▌P48_ZTF-Cam_r
 ▌P48_ZTF-Cam_g
 ▌PS1_GPC1_w
   
Pointer position (MJD, Mag, Abs.Mag): (0.00, 0.00, 0.00)
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
14176 2022-12-23 21:11:42 LT / SPRAT 1500 LTbot I. Perez-Fournon and F. Poidevin SGLF tns_2022abtm_2022-12-23_21-11-42_LT_SPRAT_SGLF.txt Object
Light Curves
Filter Tel / Inst Obs-date range JD Range Photometry
r-ZTF P48_ZTF-Cam 2022-11-25 03:57:36 - 2022-11-25 03:57:36 2459908.665 - 2459908.665 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
319585 2022-11-25 03:57:36 2459908.665 19.77 ABMag r-ZTF P48_ZTF-Cam 30 ZTF
g-ZTF P48_ZTF-Cam 2022-11-11 05:26:53 - 2022-11-13 04:06:14 2459894.727 - 2459896.671 2
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
319584 2022-11-13 04:06:14 2459896.671 20.44 ABMag g-ZTF P48_ZTF-Cam 30 ZTF
319583 2022-11-11 05:26:53 2459894.727 19.48 ABMag g-ZTF P48_ZTF-Cam 30 ZTF [Last non detection]
w-P1 PS1_GPC1 2022-10-18 10:25:52 - 2022-10-18 10:25:52 2459870.93463 - 2459870.93463 1
Photometry
ID Obs-date JD Mag. / Flux Err Lim. Mag./Flux Units Filter Tel / Inst Exp-time Observer/s Remarks
322886 2022-10-18 10:25:52 2459870.93463 22.28 0.18 22 ABMag w-P1 PS1_GPC1 45 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
167691 2022-12-22 14:01:05 PS1_Bot1 K. C. Chambers, T. de Boer, J. Bulger et al. Pan-STARRS Pan-STARRS 23:03:54.175 +15:46:19.75 2022-10-18 10:25:52.032 22.28 w-P1 PSN PS22nhu Pan-STARRS N
165788 2022-11-26 14:29:43 ZTF_Bot1 C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration ZTF ZTF 23:03:54.162 +15:46:19.87 2022-11-13 04:06:14.400 20.44 g-ZTF PSN ZTF22abvngdr ZTF 2022TNSTR3454....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
14102 2022-12-24 00:34:49 Ismael Perez-Fournon F. Poidevin, I. Pérez-Fournon (IAC & ULL), Z. Delgado-González (ULL), S. Geier (GRANTECAN & IAC), R. Clavero, 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-I 0.308 1 SGLF AT 2022abtm 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 good matches to several SLSNe-I at z = 0.306-0.308 at about 9 days before maximum light. No host galaxy is visible on the DESI Legacy Imaging Surveys images. The current absolute magnitude after correction for interstellar extinction is about Mg = -22, Mr = -22. ZTF light curve: https://lasair-ztf.lsst.ac.uk/object/ZTF22abvngdr/ https://alerce.online/object/ZTF22abvngdr https://antares.noirlab.edu/loci/ANT2022n6tgouuws22t DESI Legacy Imaging Surveys finding chart: https://www.legacysurvey.org/viewer?ra=345.975728303&dec=15.7721520676&zoom=15&layer=ls-dr9&mark=345.975728303,15.7721520676 2022TNSCR3655....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
14176 2022-12-23 21:11:42 LT / SPRAT 1500 LTbot I. Perez-Fournon and F. Poidevin SGLF tns_2022abtm_2022-12-23_21-11-42_LT_SPRAT_SGLF.txt Object

Comments

TNS
System

Thu, 12/22/2022 - 13:30

Object coordinates updated

Object coordinates updated according to AT-report 167691 of Group Pan-STARRS
Previous RA, DEC: 23:03:54.162, +15:46:19.87 (345.9756755, +15.7721871)
Updated RA, DEC: 23:03:54.175, +15:46:19.75 (345.975728303, 15.7721520676)