caa a22 4500 445347082 CHVBK 20180317142832.0 cr unu---uuuuu 170323e20111001xx s 000 0 eng 10.1007/s11207-010-9515-6 doi (NATIONALLICENCE)springer-10.1007/s11207-010-9515-6 VFISV: Very Fast Inversion of the Stokes Vector for the Helioseismic and Magnetic Imager [Elektronische Daten] [J. Borrero, S. Tomczyk, M. Kubo, H. Socas-Navarro, J. Schou, S. Couvidat, R. Bogart] In this paper we describe in detail the implementation and main properties of a new inversion code for the polarized radiative transfer equation (VFISV: Very Fast Inversion of the Stokes Vector). VFISV will routinely analyze pipeline data from the Helioseismic and Magnetic Imager (HMI) on-board of the Solar Dynamics Observatory (SDO). It will provide full-disk maps (4096×4096 pixels) of the magnetic field vector on the Solar Photosphere every ten minutes. For this reason VFISV is optimized to achieve an inversion speed that will allow it to invert sixteen million pixels every ten minutes with a modest number (approx.50) of CPUs. Here we focus on describing a number of important details, simplifications and tweaks that have allowed us to significantly speed up the inversion process. We also give details on tests performed with data from the spectropolarimeter on-board of the Hinode spacecraft. Springer Science+Business Media B.V., 2010 Magnetic Fields nationallicence Photosphere nationallicence Borrero J. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut Tomczyk S. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut Kubo M. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut Socas-Navarro H. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut Schou J. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut Couvidat S. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut Bogart R. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut Solar Physics Springer Netherlands 273/1(2011-10-01), 267-293 0038-0938 273:1<267 2011 273 11207 https://doi.org/10.1007/s11207-010-9515-6 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11207-010-9515-6 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Borrero J. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut NATIONALLICENCE 700 1- Tomczyk S. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut NATIONALLICENCE 700 1- Kubo M. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut NATIONALLICENCE 700 1- Socas-Navarro H. High Altitude Observatory, National Corporation for Atmospheric Research, 3080 Center Green CG-1, 80301, Boulder, CO, USA aut NATIONALLICENCE 700 1- Schou J. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 700 1- Couvidat S. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 700 1- Bogart R. Hansen Experimental Physics Laboratory, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 773 0- Solar Physics Springer Netherlands 273/1(2011-10-01), 267-293 0038-0938 273:1<267 2011 273 11207 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer