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

Earth, Planets and Space

Table 1 Summary of the AHI instrumental properties of every band (Griffith 2015; Takahashi and Okuyama 2017)

Band	Central wavelength (μm)	Bandwidth (μm)	Accuracy	Instantaneous field-of-view (μrad)		Detector type	Number of detectors
Band	Central wavelength (μm)	Bandwidth (μm)	Accuracy	NS	EW	Detector type	Number of detectors
1	0.4703	0.0407	585@100% albedo	22.9	22.9	Si	676
2	0.5105	0.0308	645@100% albedo	22.9	22.9		676
3	0.6399	0.0817	459@100% albedo	10.5	12.4		1460
4	0.8563	0.0345	420@100% albedo	22.9	22.9	HgCdTe	676
5	1.6098	0.0409	912@100% albedo	42.0	51.5		372
6	2.2570	0.0441	688@100% albedo	42.0	51.5		372
7	3.8848	0.2006	0.21@300K	47.7	51.5		332
8	6.2383	0.8219	0.13@240K
9	6.9395	0.4019	0.039@300K
10	7.3471	0.1871	0.13@240K
11	8.5905	0.3727	0.042@300K
12	9.6347	0.3779	0.052@300K
13	10.4029	0.4189	0.077@300K	38.1	34.3		408
14	11.2432	0.6678	0.063@300K
15	12.3828	0.9656	0.087@300K
16	13.2844	0.5638	0.22@300K

The accuracy values in bands 1–6 and 7–16 are the signal-to-noise ratio and noise-equivalent temperature, respectively. The instantaneous field-of-view of each detector differs between the north–south (NS) and east–west (EW) directions on the Moon