Spectropolarimetric Comparison Between SDO/HMI and Hinode-SOT/SP Through THEMIS/MTR

Details Spectropolarimetric Comparison Between SDO/HMI and Hinode-SOT/SP Through THEMIS/MTR Spectropolarimetric Comparison Between SDO/HMI and Hinode-SOT/SP Through THEMIS/MTR

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufmsh31a1986s&link_type=abstract

American Geophysical Union, Fall Meeting 2011, abstract #SH31A-1986

Astronomy and Astrophysics

Astrophysics

[7524] Solar Physics, Astrophysics, And Astronomy / Magnetic Fields, [7594] Solar Physics, Astrophysics, And Astronomy / Instruments And Techniques

Scientific paper

In the golden age of solar spacecraft observatories, the use of similar instruments observing same targets offers us the possibility to get more accurate information of the physical processes taking place on them. We present a comparison between the vector magnetic field and thermodynamic quantities obtained by three different spectropolarimetric instruments. We have used the simultaneous multi-wavelength capabilities of THEMIS/MTR as bridge between the observations at Fe I 6173 Å provided by SDO/HMI and at Fe I 6301 & 6302 Å by Hinode-SOT/SP observations. The official inversion codes for these instruments (PCA based-on, VFISV and MERLIN respectively) have been used with the data properly arranged for them. Therefore, we compare the final products usually offered to the community, i.e. after the inversion, using different codes and these different wavelengths. The cross-calibration of these products shall allow us to go forward from one instrument result to other one in an easy, convenient way.

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