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Earth, Planets and Space
Fig. 5 | Earth, Planets and Space

Fig. 5

From: Utilization of a meteorological satellite as a space telescope: the lunar mid-infrared spectrum as seen by Himawari-8

Fig. 5

Comparison of the equatorial brightness temperature measured by AHI at band 11 with Diviner GCP at channel 5. The gray and white areas correspond to the nightside and dayside, respectively. The red area shows the time variation of average brightness with a standard deviation range of Diviner GCP from 5°N to 5°S. The black points are the brightness temperatures of the HSD pixels which correspond to lunar latitude from 5°N to 5°S and emission angle smaller than 5°. Note that HSD is saturated at the blue dashed line. Each green bar indicates the background noise level from the broad PSF at the radiance of 0.01, 0.1, and 1 W/m2/sr/μm

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