J/ApJ/930/34ivo://CDS.VizieR/J/ApJ/930/34doi:10.26093/cds/vizier.19300034CDSTeja R.S.Singh A.Sahu D.K.Anupama G.C.Kumar B.N. A J2024-11-06T20:25:26Z2024-04-29T09:51:19ZCDS support team

CDS, Observatoire de Strasbourg, 11 rue de l'Universite, F-67000 Strasbourg, France

cds-question@unistra.frsupernovaevisible-astronomyspectroscopyWe present spectroscopic and photometric observations of the Type IIP supernova, SN2020jfo, in ultraviolet and optical wavelengths. SN2020jfo occurred in the spiral galaxy M61 (NGC 4303), with eight observed supernovae in the past 100yr. SN 2020jfo exhibited a short plateau lasting <65days, and achieved a maximum brightness in Vband of M_V_=-17.4+/-0.4mag at about 8.0+/-0.5days since explosion. From the bolometric light curve, we have estimated the mass of ^56^Ni synthesized in the explosion to be 0.033+/-0.006M_{sun}_. The observed spectral features are typical for a Type IIP supernova except for shallow H{alpha} absorption throughout the evolution and the presence of stable ^58^Ni feature at 7378{AA}, in the nebular phase. Using hydrodynamical modeling in the MESA+STELLA framework, an ejecta mass of ~5M_{sun}_ is estimated. Models also indicate SN2020jfo could be the result of a red supergiant progenitor with MZAMS ~12M_{sun}_. Bolometric light-curve modeling revealed the presence of a secondary radiation source for initial ~20days, which has been attributed to interaction with a circumstellar material of mass ~0.2M_{sun}_, which most likely was ejected due to enhanced mass loss about 20yr prior to the supernova explosion.2022ApJ...930...34Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/930/34CatalogResearchIsServedByTAP VizieR generic servicerelated-toV/154 : Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)J/A+A/333/231 : O-M stars model atmospheres (Bessell+ 1998)J/AJ/130/873 : BQS objects in the SDSS DR3 area (Jester+, 2005)J/MNRAS/372/1315 : UBVRI photometry of SN 2004et (Sahu+, 2006)J/AJ/137/4517 : UVOT light curves of supernovae (Brown+, 2009)J/MNRAS/408/827 : Simulations of supernova explosions (Dessart+, 2010)J/MNRAS/438/L101 : First month on SN 2013ej (Valenti+, 2014)J/ApJ/799/208 : Type IIP supernovae from Pan-STARRS1 (Sanders+, 2015)J/MNRAS/448/2608 : UV and optical phot. data for SN 2013by (Valenti+, 2015)J/MNRAS/459/3939 : Type II supernova light curves (Valenti+, 2016)J/ApJ/885/43 : UBVRI & ugriz phot. of supernova SN 2017gmr (Andrews+, 2019)J/ApJ/875/136 : BVRI, sp. & IR obs. of type II-P SN2017eaw (Van Dyk+, 2019)J/AJ/160/199 : Estimated distances for galaxies with NED-D (Steer, 2020)J/ApJ/912/46 : ZTF Type II supernovae with follow-up obs. (Bruch+, 2021)J/A+A/655/A105 : 3 SN multiwavelength light curves (Sollerman+, 2021)J/ApJ/924/15 : Final moments. I. Type II SN 2020tlf (Jacobson-Galan+, 2022)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/930/34https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/930/34http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/930/34https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/930/34https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/930/34http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/930/34GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapOpticaldefaultJ/ApJ/930/34/listList of spectra in subdirectory "sp"recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintFileName of the file in subdirectory "sp"meta.id;meta.filecharJD[8977.1/9266.5] Julian date; JD-2450000dtime.epochfloatPhase[3/292] Phase relative to the explosion epoch of JD2458974.0dtime.phaseintGrismGrism identifier(s)meta.id;instrcharspInteractive spectrum plotmeta.ref.urlchar