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Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/1822
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dc.contributor.authorKosovichev, A. G-
dc.date.accessioned2007-09-25T07:28:53Z-
dc.date.available2007-09-25T07:28:53Z-
dc.date.issued1996-
dc.identifier.citationBASI, Vol.24 No. 2 pp. 355-358en
dc.identifier.urihttp://hdl.handle.net/2248/1822-
dc.description.abstractThe method of 'secondary' helioseismic inversion, in which the equations of state and the thermal balance are used in addition to the hydrostatic equations, have been applied to determine the helium abundance in the Sun's interior. By inverting the observed p-mode frequencies, direct evidence for gravitational settling of helium has been obtained. The helium abundance inferred from the BBSO data (Libbrechh et al., 1990)using the OPAL equation of state (Rogers & Iglesias, 1993)is 0.248 ± 0.006.en
dc.format.extent330287 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherAstronomical Society of Indiaen
dc.relation.urihttp://adsabs.harvard.edu/abs/1996BASI...24..355Ken
dc.subjectSolar oscillationsen
dc.subjectHelioseismic inversionen
dc.subjectHelium abundanceen
dc.titleHelioseismic measurements of elemental abundances in the sun's interioren
dc.typeArticleen
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