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Three Dimensional Structure of Active Regions

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dc.contributor.author Choudhary, D. P
dc.contributor.author Gosain, S
dc.date.accessioned 2008-07-16T07:23:12Z
dc.date.available 2008-07-16T07:23:12Z
dc.date.issued 2002-09
dc.identifier.citation BASI, Vol. 30, No. 3, pp. 583 - 585 en
dc.identifier.uri http://hdl.handle.net/2248/2713
dc.description.abstract We present the preliminary results of the modeling of the three dimensional structure of the magnetic field above the aclive regions observed with Advanced Stokes polarimeter and Dick Dunn telescope at National Solar Observatory, USA. The observed photospheric magnetograms are extrapolated to chromospheric heights using the Fourier expansion technique to compute the potential (current-free) magnetic field in Cartesian geometry. The photospheric surface is assumed to be fiat, but the tilt of the boundary plane with respect to the plane of the sky is taken into account, depending on the location of the active region. The best fit of the observed and computed scatter plot is achieved by considering the height of the chromospheric emission at 800 km. en
dc.format.extent 94818 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Astronomical Society of India en
dc.subject Sun en
dc.subject Active Regions en
dc.subject Magnetic Field en
dc.subject Stokes Polarimeter en
dc.title Three Dimensional Structure of Active Regions en
dc.type Article en

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