J/ApJ/883/147ivo://CDS.VizieR/J/ApJ/883/147doi:10.26093/cds/vizier.18830147CDSTerreran G.Margutti R.Bersier D.Brimacombe J.Caprioli D.,Challis P.Chornock R.Coppejans D.L.Dong S.Guidorzi C.Hurley K.,Kirshner R.Migliori G.Milisavljevic D.Palmer D.M.Prieto J.L.,Tomasella L.Marchant P.Pastorello A.Shappee B.J.Stanek K.Z.,Stritzinger M.D.Benetti S.Chen P.DeMarchi L.Elias-Rosa N.Gall C.,Harmanen J.Mattila S.2021-05-03T09:02:15Z2021-03-31T12:17:24ZCDS support team

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

cds-question@unistra.frsupernovaeultraviolet-photometryinfrared-photometryvisible-astronomybroad-band-photometryspectroscopyradio-sourcesx-ray-sourcesWe present comprehensive observations and analysis of the energetic H-stripped SN 2016coi (a.k.a. ASASSN-16fp), spanning the {gamma}-ray through optical and radio wavelengths, acquired within the first hours to ~420 days post explosion. Our observational campaign confirms the identification of He in the supernova (SN) ejecta, which we interpret to be caused by a larger mixing of Ni into the outer ejecta layers. By modeling the broad bolometric light curve, we derive a large ejecta-mass-to-kinetic-energy ratio (M_ej_~4-7M_{sun}_, E_k_~(7-8)x10^51^erg). The small [CaII]{lambda}{lambda}7291,7324 to [OI]{lambda}{lambda}6300,6364 ratio (~0.2) observed in our late-time optical spectra is suggestive of a large progenitor core mass at the time of collapse. We find that SN 2016coi is a luminous source of X-rays (L_X_>10^39^erg/s in the first ~100 days post explosion) and radio emission (L_8.5GHz_~7x10^27^erg/s/Hz at peak). These values are in line with those of relativistic SNe (2009bb, 2012ap). However, for SN 2016coi, we infer substantial pre-explosion progenitor mass loss with a rate dM/dt~(1-2)x10^-4^M_{sun}_/yr and a sub-relativistic shock velocity v_sh_~0.15c, which is in stark contrast with relativistic SNe and similar to normal SNe. Finally, we find no evidence for a SN- associated shock breakout {gamma}-ray pulse with energy E_{gamma}_>2x10^46^erg. While we cannot exclude the presence of a companion in a binary system, taken together, our findings are consistent with a massive single-star progenitor that experienced large mass loss in the years leading up to core collapse, but was unable to achieve complete stripping of its outer layers before explosion.2019ApJ...883..147Thttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJ/883/147CatalogResearchIsServedByTAP VizieR generic servicerelated-toII/227 : The Asiago Supernova Catalogue 1999 (Barbon+, 1999)VIII/76 : Leiden/Argentine/Bonn (LAB) Survey of Galactic HI (Kalberla+ 2005)VII/233 : The 2MASS Extended sources (IPAC/UMass, 2003-2006)J/A+A/414/23 : CCD H{alpha} and R photometry of 334 galaxies (James+, 2004)J/MNRAS/383/1485 : BVRI light curves of SN 2003jd (Valenti+, 2008)J/AJ/137/4517 : UVOT light curves of supernovae (Brown+, 2009)J/other/Nat/463.513 : Radio observations of SN 2009bb (Soderberg+, 2010)J/ApJ/741/97 : Light curves of Ibc supernovae (Drout+, 2011)J/ApJ/728/14 : Photometry of SN 2009bb (Pignata+, 2011)J/MNRAS/416/3138 : SN 2009jf light curves (Valenti+, 2011)J/ApJ/760/L33 : Photometry of the Ic supernova PTF12gzk (Ben-Ami+, 2012)J/ApJ/746/156 : Radio afterglow observations of GRBs (Chandra+, 2012)J/MNRAS/425/1789 : Berkeley supernova Ia program. I. (Silverman+, 2012)J/MNRAS/436/774 : Core collapse supernovae (type Ibc) (Eldridge+, 2013)J/MNRAS/428/729 : GRB Swift X-ray light curves analysis (Margutti+, 2013)J/ApJ/785/37 : Type Ic SN 2010mb optical photometry (Ben-Ami+, 2014)J/ApJS/213/19 : Optical and near-IR light curves of 64 SNe (Bianco+, 2014)J/ApJ/782/42 : Panchromatic observations of PTF11qcj (Corsi+, 2014)J/AJ/147/99 : Spectroscopy of stripped core-collapse SNe (Modjaz+, 2014)J/ApJ/788/48 : X-ray through NIR photometry of NGC 2617 (Shappee+, 2014)J/A+A/580/A142 : SN 2011dh. The first two years (Ergon+, 2015)J/A+A/579/A40 : PESSTO catalog (Smartt+, 2015)J/ApJ/821/57 : Photometry of the Type Ib/c SN2013ge (Drout+, 2016)J/ApJ/832/108 : Spectral properties of Type Ic & Ic-bl SNe (Modjaz+, 2016)http://wiserep.weizmann.ac.il/ : Weizmann Interactive Supernova Data Repositoryhttps://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJ/883/147https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJ/883/147http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJ/883/147https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJ/883/147https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJ/883/147http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJ/883/147GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapAssociated datahttps://cdsarc.cds.unistra.fr/assocdata/?obs_collection=J/ApJ/883/147X-rayUVOpticalInfraredRadiodefaultJ/ApJ/883/147/table3ugriz photometrye_umag[0.03/0.36]? Uncertainty in umagmagstat.error;phot.magfloatnullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMJD[57536.14/57906.38] Modified Julian Datedtime.epochdoubleumag[15.61/20.89]? Apparent u band magnitudemagphot.mag;em.opt.Ufloatnullablegmag[14.15/21.38]? Apparent g band magnitudemagphot.mag;em.opt.Bfloatnullablee_gmag[0.01/0.61]? Uncertainty in gmagmagstat.error;phot.magfloatnullablermag[13.54/19.57]? Apparent r band magnitudemagphot.mag;em.opt.Rfloatnullablee_rmag[0.02/0.51]? Uncertainty in rmagmagstat.error;phot.magfloatnullableimag[13.89/19.98]? Apparent i band magnitudemagphot.mag;em.opt.Ifloatnullablee_imag[0.02/0.53]? Uncertainty in imagmagstat.error;phot.magfloatnullablezmag[13.48/17.27]? Apparent z band magnitudemagphot.mag;em.opt.Ifloatnullablee_zmag[0.02/0.15]? Uncertainty in zmagmagstat.error;phot.magfloatnullableTelTelescope/Instrument used code (G1)meta.code;instr.setupcharJ/ApJ/883/147/table4UBVRI photometryrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMJD[57527.53/57893.59] Modified Julian Datedtime.epochdoublel_UmagLimit flag on Umagmeta.code.errorcharUmag[14.68/19.69]? Apparent U band magnitudemagphot.mag;em.opt.Ufloatnullablee_Umag[0.05/0.5]? Uncertainty in Umagmagstat.error;phot.magfloatnullablel_BmagLimit flag on Bmagmeta.code.errorcharBmag[14.82/19.89]? Apparent B band magnitudemagphot.mag;em.opt.Bfloatnullablee_Bmag[0.03/0.85]? Uncertainty in Bmagmagstat.error;phot.magfloatnullablel_VmagLimit flag on Vmagmeta.code.errorcharVmag[13.61/18.99]? Apparent V band magnitudemagphot.mag;em.opt.Vfloatnullablee_Vmag[0.01/0.77]? Uncertainty in Vmagmagstat.error;phot.magfloatnullableRmag[13.46/15.94]? Apparent R band magnitudemagphot.mag;em.opt.Rfloatnullablee_Rmag[0.04/0.25]? Uncertainty in Rmagmagstat.error;phot.magfloatnullableImag[13.6/15.65]? Apparent I band magnitudemagphot.mag;em.opt.Ifloatnullablee_Imag[0.06/0.19]? Uncertainty in Imagmagstat.error;phot.magfloatnullableInstInstrument used code (G1)meta.code;instr.setupcharJ/ApJ/883/147/table5JHK photometryrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMJD[57540.17/57866.22] Modified Julian Datedtime.epochdoubleJmag[13.01/15.47]? Apparent J band magnitudemagphot.mag;em.IR.Jfloatnullablee_Jmag[0.01/0.4]? Uncertainty in Jmagmagstat.error;phot.magfloatnullablel_HmagLimit flag on Hmagmeta.code.errorcharHmag[12.82/18.61]? Apparent H band magnitudemagphot.mag;em.IR.Hfloatnullablee_Hmag[0.02/0.35]? Uncertainty in Hmagmagstat.error;phot.magfloatnullableKmag[12.69/14.7]? Apparent K band magnitudemagphot.mag;em.IR.Kfloatnullablee_Kmag[0.02/0.39]? Uncertainty in Kmagmagstat.error;phot.magfloatnullableInstInstrument used code (G1)meta.code;instr.setupcharJ/ApJ/883/147/table6UV photometryrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintMJD[57535.77/57860.49] Modified Julian Datedtime.epochdoublel_UVW2Limit flag on W2magmeta.code.errorcharUVW2[17/20.3]? Swift/UVOT apparent UVW2 band magnitudemagphot.mag;em.UVfloatnullablee_UVW2[0.16/0.7]? Uncertainty in UVW2magstat.errorfloatnullablel_UVM2Limit flag on M2magmeta.code.errorcharUVM2[17/20.1]? Swift/UVOT apparent UVM2 band magnitudemagphot.mag;em.UVfloatnullablee_UVM2[0.14/0.8]? Uncertainty in UVM2magstat.errorfloatnullablel_UVW1Limit flag on UVW1meta.code.errorcharUVW1[15.8/19.8]? Swift/UVOT apparent UVW1 band magnitudemagphot.mag;em.UVfloatnullablee_UVW1[0.1/0.8]? Uncertainty in UVW1magstat.errorfloatnullableInstInstrument used code (G1)meta.code;instr.setupcharJ/ApJ/883/147/table9Spectroscopic logTelTelescope (1)meta.id;instr.telcharrecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintDateDate of observation (UT)time.epochnullableMJD[57536.2/57954.2] Modified Julian Datedtime.epochfloatInstInstrumentmeta.id;instrcharSlit[0.6/3.93] Slitarcsecinstr.setupfloatGratingGrism/Gratingmeta.notecharFileNameName of the FITS file in subdirectory sp/ -- Column added by CDSmeta.id;meta.fitscharfitsDownload the FITS filemeta.ref.urlcharSpInteractive spectrum plotmeta.ref.urlchar