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Earth, Planets and Space
Fig. 2 | Earth, Planets and Space

Fig. 2

From: Development and in-flight calibration of IR2: 2-μm camera onboard Japan’s Venus orbiter, Akatsuki

Fig. 2

IR2 filter transmissions: Curves in black are the products of individual filters and IR2-FLTR (short-wavelength pass), while curves in green are without IR2-FLTR. The curve for IR2-FLTR is shown with dashed lines. Curves will shift by ~−2 nm at operating temperatures. Shown in shades are typical Venus spectra for 1.74- (night), 2.02- (day), and 2.3-μm (night) wavelength regions in arbitrary scales

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