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Hinode Instruments
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Solar Optical Telescope
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Optical Telescope Assembly
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Optics
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Aplanatic Gregorian with 50 cm aperture
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Focal Plane Package
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Wavelength
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Broadband Filter Instrument (BFI)
388.3 nm CN molecular bandhead: chrom. network
396.8 nm Ca II H-line: magnetic elements in low chrom
430.5 nm G-band CH bandhead: magnetic elements
450.5/555.0/668.4 nm continuum
Narrowband Filter Instrument (NFI)
525.0 nm Fe I Photospheric magnetograms
517.3 nm Mg Ib Low chromosphere mag./dopplergrams
557.6 nm Fe I Photospheric dopplergrams
589.6 nm Na D Chromospheric magnetic fields
630.2 nm Fe I Photospheric magnetograms
656.3 nm H I H-α chromospheric image and Doppler
Spectro Polarimeter (SP)
630.2 nm Fe I (high precision vector mag. fields)
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Resolution of Mag Field
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line-of-sight: 1-5G
transverse: 30-50G
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Typical Time Cadence
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Ranges from tens of seconds for photospheric images and vector
magnetographs in particular lines to ∼ 1 hr for the full
Stokes profiles.
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Extreme Ultraviolet Imaging Spectrometer (EIS)
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Optics
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Offset Paraboloid with multi layer coating mirror and concave grating
with aperture of 15 cm
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Wavelength
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17.0 nm - 21.0 nm with resolution of ∼400.0
24.0 nm - 29.0 nm with resolution of ∼460.0
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Velocity Resolution
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3 km/s for Doppler, 20 km/s for line width
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Exposure Time
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ms for flares, tens of seconds in active regions
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Solar X-ray Telescope (S-XRT)
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Optics
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Modified Wolter type I grazing incidence mirror and co-aligned optical
telescope
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Wavelength
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X-ray .2 nm - 20 nm
Optical G-band (430.5 nm)
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Temperature Discrimination
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ΔLog T 0.2 (for isothermal plasma)
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Exposure Time
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4 ms - 10 s
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Properties of Focal Plane Detectors
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| Instruments |
F.O.V. EW x NS (Slit/Slot) |
Pixel Size |
CCD Format |
SOT
NFI
BFI
SP
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328"x164"
218"x109"
320"x164" (0.16")
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0.08"
0.053"
0.16"x21.5mÅ
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4k x 2k (NFI and BFI share a CCD)
4k x 2k
1x(?) x 1k
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| EIS |
590"x512"(1",2",40",266") |
1.0"x0.0223² |
1k x 2k
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| XRT |
2048" x 2048" |
1.0" |
2k x 2k |
