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Título: | Image quality of data products of the high resolution telescope of the polarimetric and helioseismic imager |
Autor: | Kahil, F.; Gandorfer, A.; Hirzberger, J.; Orozco Suárez, David CSIC ORCID CVN; Toro, José Carlos del CSIC ORCID ; Balaguer Jiménez, M. CSIC ORCID; Bellot Rubio, Luis R. CSIC ORCID; López Jiménez, A. C. CSIC ORCID; Moreno Vacas, Alejandro; Valori, G. | Palabras clave: | Solar Orbiter SO/PHI SO/PHI-HRT High resolution PSF Zernike MTF Wavefront error |
Fecha de publicación: | 2022 | Editor: | International Society for Optical Engineering | Citación: | Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave (2022) | Resumen: | The High Resolution Telescope (HRT) of the Polarimetric and Helioseismic Imager (SO/PHI) on-board the Solar Orbiter mission (SO) provides near diffraction limited observations of the solar surface. The HRT Refocus Mechanism (HRM) allows for acquiring calibration data in flight which are used in post processing on ground to estimate the image quality of SO/PHI-HRT data products and its dependence on the SO-Sun distance. Our aim is to characterise the wavefront aberrations in the optical path of SO/PHI-HRT and consequently the image quality in the focal plane of the telescope. We use calibration data taken during the Near Earth Commissionning Phase (NECP) and the second Remote Sensing Check-out Window (RSCW2) of Solar Orbiter's Cruise Phase (CP). In particular, we apply a Phase Diversity (PD) analysis to estimate the low-order wavefront aberrations. The restoration with the retrieved Point Spread Function (PSF) from the PD analysis increases the RMS contrast of the solar granulation in the visible continuum from 4 % to 10−11 %. © 2022 SPIE. | Descripción: | Space Telescopes and Instrumentation 2022: Optical, Infrared, and Millimeter Wave, Montreal, 17-22 July 2022.--Proceedings of SPIE - The International Society for Optical Engineering vol. 12180, Article number 121803F.-- Full list of authors: Kahil, F.; Gandorfer, A.; Hirzberger, J.; Suarez, D. Orozco; Albert, K.; Jorge, N. Albelo; Appourchaux, T.; Alvarez-Herrero, A.; Rodriguez, J. Blanco; Germerott, D.; Guerrero, L.; Marquez, P. Gutierrez; Sinjan, J.; Calchetti, D.; Kolleck, M.; Solanki, S. K.; Iniesta, J. C. del Toro; Volkmer, R.; Woch, J.; Fiethe, B.; Cama, J. M. Gomez; Perez-Grande, I; Kilders, E. Sanchis; Jimenez, M. Balaguer; Rubio, L. R. Bellot; Carmona, M.; Deutsch, W.; Fernandez-Rico, G.; Fernandez-Medina, A.; Parejo, P. Garcia; Blesa, J. L. Gasent; Gizon, L.; Grauf, B.; Heerlein, K.; Korpi-Lagg, A.; Lange, T.; Jimenez, A. Lopez; Maue, T.; Meller, R.; Michalik, H.; Vacas, A. Moreno; Muller, R.; Nakai, E.; Schmidt, W.; Schou, J.; Schuhle, U.; Staub, J.; Strecker, H.; Torralbo, I; Valori, G. | Versión del editor: | http://dx.doi.org/10.1117/12.2628942 | URI: | http://hdl.handle.net/10261/304887 | DOI: | 10.1117/12.2628942 | ISBN: | 978-151065341-2 | ISSN: | 0277-786X |
Aparece en las colecciones: | (IAA) Libros y partes de libros |
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2022SPIE12180E..3FK.pdf | 5,61 MB | Adobe PDF | Visualizar/Abrir | |
12180-171poster.pdf | 919,01 kB | Adobe PDF | Visualizar/Abrir |
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