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The Solar Optical Telescope for the Hinode Mission: An Overview |
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| Authors: | S Tsuneta K Ichimoto Y Katsukawa S Nagata M Otsubo T Shimizu Y Suematsu M Nakagiri M Noguchi T Tarbell A Title R Shine W Rosenberg C Hoffmann B Jurcevich G Kushner M Levay B Lites D Elmore T Matsushita N Kawaguchi H Saito I Mikami L D Hill J K Owens |
| Institution: | 1. National Astronomical Observatory of Japan, Mitaka, Tokyo, 181-8588, Japan 2. Lockheed Martin Solar and Astrophysics Laboratory, B/252, 3251 Hanover Street, Palo Alto, CA, 94304, USA 3. High Altitude Observatory, NCAR, P.O. Box 3000, Boulder, CO, 80307-3000, USA 4. Communication Systems Center, Mitsubishi Electric Corp., Amagasaki, Hyogo, 661-8661, Japan 5. Space Science Office, VP62, NASA Marshall Space Flight Center, Huntsville, AL, 35812, USA |
| Abstract: | The Solar Optical Telescope (SOT) aboard the Hinode satellite (formerly called Solar-B) consists of the Optical Telescope Assembly (OTA) and the Focal Plane Package (FPP). The OTA is a 50-cm diffraction-limited Gregorian telescope, and the FPP includes the narrowband filtergraph (NFI) and the broadband filtergraph (BFI), plus the Stokes Spectro-Polarimeter (SP). The SOT provides unprecedented high-resolution photometric and vector magnetic images of the photosphere and chromosphere with a very stable point spread function and is equipped with an image-stabilization system with performance better than 0.01 arcsec rms. Together with the other two instruments on Hinode (the X-Ray Telescope (XRT) and the EUV Imaging Spectrometer (EIS)), the SOT is poised to address many fundamental questions about solar magnetohydrodynamics. This paper provides an overview; the details of the instrument are presented in a series of companion papers. M. Otsubo is a former NAOJ staff scientist. |
| Keywords: | Solar-B Hinode Sun: magnetic fields Sun: photosphere Sun: chromosphere Sun: MHD |
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