Open Access

Table 1

JWST observations of Ganymede.

Observation (a) Side UT date Sub. obs. (b) Sub. solar (b) Helio. Diameter Exp. time (c)
(begin/end) coord. coord. distance(au) (arcsec) (s)
19 NIRSpec Leading 2022/08/07 19:32/20:13 2.55°N/72.3°W 2.02°/82.0°W 4.9557 1.695 1718
28 NIRSpec Trailing 2022/08/03 01:10/01:50 2.54°N/269.7°W 2.00°N /279.7°W 4.9557 1.672 1718
18 MIRI Leading 2022/08/07 02:14/05:18 2.55°N/77.1°W 2.02°N/86.7°W 4.9597 1.690 8758
27 MIRI Trailing 2022/08/03 20:36/23:40 2.54°N/274.4°W 2.01°N/284.4°W 4.9608 1.675 8758

Notes. (a) Observation number of the ERS program and instrument.(b) At mid-time. (c) Effective exposure time.

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