Comparative analyses of the CSSS magnetic field calculation in the Univ. of California/San Diego tomographic solar wind model with in situ spacecraft observations

Tamsen Dunn; P. Paul Hick; Bernard V. Jackson; Andrew Buffington; Xue Pu Zhao

doi:10.1117/12.513759

4 February 2004 Comparative analyses of the CSSS magnetic field calculation in the Univ. of California/San Diego tomographic solar wind model with in situ spacecraft observations

Tamsen Dunn, P. Paul Hick, Bernard V. Jackson, Andrew Buffington, Xue Pu Zhao

Author Affiliations +

Proceedings Volume 5171, Telescopes and Instrumentation for Solar Astrophysics; (2004) https://doi.org/10.1117/12.513759
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Our tomographic techniques developed over the last few years are based on kinematic models of the solar wind. This allows us to determine the large-scale three-dimensional extents of solar wind structures using interplanetary scintillation (IPS) observations and Thomson scattering brightness data in order to forecast their arrival at Earth in real time. We are specifically interested in a technique that can be combined with observations presently available from IPS velocity data and with observations which will become available from the Solar Mass Ejection Imager. In this paper, we introduce magnetic field projections from solar surface magnetogram data using the Stanford Current-Sheet Source Surface model at the source surface of our model and extrapolate the magnetic field out to and beyond Earth. The results are compared with in situ data. Real time projections of these data are available on our web site at: http://cassfos02.ucsd.edu/solar/forecast/index_v_n.html and http://cassfos02.ucsd.edu/solar/forecast/index_br_bt.html

Citation Download Citation

Tamsen Dunn, P. Paul Hick, Bernard V. Jackson, Andrew Buffington, and Xue Pu Zhao "Comparative analyses of the CSSS magnetic field calculation in the Univ. of California/San Diego tomographic solar wind model with in situ spacecraft observations", Proc. SPIE 5171, Telescopes and Instrumentation for Solar Astrophysics, (4 February 2004); https://doi.org/10.1117/12.513759

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