Astronomy and Astrophysics – Astrophysics – Solar and Stellar Astrophysics
Scientific paper
2012-04-04
Astronomy and Astrophysics
Astrophysics
Solar and Stellar Astrophysics
To appear in "2nd ATST - EAST Workshop in Solar Physics: Magnetic Fields from the Photosphere to the Corona", Conference Serie
Scientific paper
In July 2009, the leading spot of the active region NOAA11024 was observed simultaneously and independently with the 'Goettingen' FPI at VTT and CRISP at SST, i.e., at two different sites, telescopes, instruments and using different spectral lines. The data processing and data analysis have been carried out independently with different techniques. Maps of physical parameters retrieved from 2D spectro-polarimetric data observed with 'Goettingen' FPI and CRISP show an impressive agreement. In addition, the 'Goettingen' FPI maps also exhibit a notable resemblance with simultaneous TIP (spectrographic) observations. The consistency in the results demonstrates the excellent capabilities of these observing facilities. Besides, it confirms the solar origin of the detected signals, and the reliability of FPI-based spectro-polarimeters.
Bello González Nazaret
Bellot Rubio Luis
der Voort Luc Rouppe van
Ortiz Ada
Rezaei Rashid
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