J/ApJS/63/661ivo://CDS.VizieR/J/ApJS/63/661doi:10.26093/cds/vizier.20630661CDSNakagawa M.Kohyama Y.Itoh N.1998-03-15T14:51:12Z1998-03-15T15:50:46ZCDS support team

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

cds-question@unistra.fratomic-physicsstellar-atmospheric-opacityThe free-free Gaunt factor of the dense high-temperature stellar plasma is calculated by using the accurate relativistic cross section and is compared with the Gaunt factor derived by using Sommerfeld's exact nonrelativistic cross section. A wide range of electron degeneracy is accurately taken into account. Significant deviations from the nonrelativistic results are found for high-temperature cases. Results are presented in the form of extensive tables to facilitate applications.1987ApJS...63..661Nhttps://cdsarc.cds.unistra.fr/viz-bin/cat/J/ApJS/63/661CatalogResearchIsServedByTAP VizieR generic servicerelated-toJ/ApJ/382/636 : Rosseland mean free-free Gaunt factor (Itoh+ 1991)J/ApJS/74/291 : Relativistic Free-Free Gaunt Factor. II. (Itoh+ 1990)https://cds.unistra.fr/vizier-org/licences_vizier.htmlhttps://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/ApJS/63/661https://vizier.iucaa.in/viz-bin/VizieR-2?-source=J/ApJS/63/661http://vizieridia.saao.ac.za/viz-bin/VizieR-2?-source=J/ApJS/63/661https://vizier.cds.unistra.fr/viz-bin/votable?-source=J/ApJS/63/661https://vizier.iucaa.in/viz-bin/votable?-source=J/ApJS/63/661http://vizieridia.saao.ac.za/viz-bin/votable?-source=J/ApJS/63/661GETtext/xml+votablehttps://tapvizier.cds.unistra.fr/TAPVizieR/tapdefaultJ/ApJS/63/661/table1*<<g_ff>>, degeneracy parameter {eta}=-6.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table2<<g_ff>>, degeneracy parameter {eta}=-2.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table3<<g_ff>>, degeneracy parameter {eta}= 0.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table4<<g_ff>>, degeneracy parameter {eta}= 1.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table5<<g_ff>>, degeneracy parameter {eta}= 2.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table6<<g_ff>>, degeneracy parameter {eta}= 3.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table7<<g_ff>>, degeneracy parameter {eta}= 5.0G-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullablerecnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table8<<g_ff>>, degeneracy parameter {eta}=10.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table9<<g_ff>>, degeneracy parameter {eta}=20.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullableJ/ApJS/63/661/table10<<g_ff>>, degeneracy parameter {eta}=40.0recnoRecord number assigned by the VizieR team. Should Not be used for identification.meta.recordintLogu*Log u, u=(h_bar_*{omega})/kTphys.energyfloatElem*Element for Gaunt factor calculationphys.atmol.elementcharG-4.0? Gaunt factor, log({gamma}^2^)= -4.0phys.gauntFactordoublenullableG-3.5? Gaunt factor, log({gamma}^2^)= -3.5phys.gauntFactordoublenullableG-3.0? Gaunt factor, log({gamma}^2^)= -3.0phys.gauntFactordoublenullableG-2.5? Gaunt factor, log({gamma}^2^)= -2.5phys.gauntFactordoublenullableG-2.0? Gaunt factor, log({gamma}^2^)= -2.0phys.gauntFactordoublenullableG-1.5? Gaunt factor, log({gamma}^2^)= -1.5phys.gauntFactordoublenullableG-1.0? Gaunt factor, log({gamma}^2^)= -1.0phys.gauntFactordoublenullableG-0.5? Gaunt factor, log({gamma}^2^)= -0.5phys.gauntFactordoublenullableG+0.0? Gaunt factor, log({gamma}^2^)= 0.0phys.gauntFactordoublenullableG+0.5? Gaunt factor, log({gamma}^2^)= 0.5phys.gauntFactordoublenullableG+1.0? Gaunt factor, log({gamma}^2^)= 1.0phys.gauntFactordoublenullableG+2.0? Gaunt factor, log({gamma}^2^)= 2.0phys.gauntFactordoublenullable