THE CHROMOSPHERIC SOLAR MILLIMETER-WAVE CAVITY ORIGINATES IN THE TEMPERATURE MINIMUM REGION

dc.creatorVictor De la Luz
dc.date2013-01-10
dc.date.accessioned2023-07-25T16:25:12Z
dc.date.available2023-07-25T16:25:12Z
dc.identifierhttp://inaoe.repositorioinstitucional.mx/jspui/handle/1009/2223
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/7807404
dc.descriptionWe present a detailed theoretical analysis of the local radio emission at the lower part of the solar atmosphere. To accomplish this, we have used a numerical code to simulate the emission and transport of high-frequency electromagnetic waves from 2 GHz up to 10 THz. As initial conditions, we used VALC, SEL05, and C7 solar chromospheric models. In this way, the generated synthetic spectra allow us to study the local emission and absorption processes with high resolution in both altitude and frequency. Associated with the temperature minimum predicted by these models, we found that the local optical depth at millimeter wavelengths remains constant, producing an optically thin layer that is surrounded by two layers of high local emission. We callthis structure the Chromospheric Solar Millimeter-wave Cavity (CSMC). The temperature profile, which features temperature minimum layers and a subsequent temperature rise, produces the CSMC phenomenon. The CSMCshows the complexity of the relation between the theoretical temperature profile and the observed brightness temperature and may help us to understand the dispersion of the observed brightness temperature in the millimeter wavelength range.
dc.formatapplication/pdf
dc.languageeng
dc.publisherThe Astrophysical Journal
dc.relationcitation:De la Luz, Victor., et al., (2013). The chromospheric solar millimeter-wave cavity originates in the temperature minimum region, The Astrophysical Journal, Vol. 762(84):1-8
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightshttp://creativecommons.org/licenses/by-nc-nd/4.0
dc.subjectinfo:eu-repo/classification/Inspec/Methods: numerical
dc.subjectinfo:eu-repo/classification/Inspec/Radiation mechanisms: thermal
dc.subjectinfo:eu-repo/classification/Inspec/Radiative transfer
dc.subjectinfo:eu-repo/classification/Inspec/Stars: chromospheres
dc.subjectinfo:eu-repo/classification/Inspec/Sun: chromosphere
dc.subjectinfo:eu-repo/classification/Inspec/Sun: radio radiation
dc.subjectinfo:eu-repo/classification/cti/1
dc.subjectinfo:eu-repo/classification/cti/21
dc.subjectinfo:eu-repo/classification/cti/21
dc.titleTHE CHROMOSPHERIC SOLAR MILLIMETER-WAVE CAVITY ORIGINATES IN THE TEMPERATURE MINIMUM REGION
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/acceptedVersion
dc.audiencestudents
dc.audienceresearchers
dc.audiencegeneralPublic


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