Table 1

Trajectory and viewing parameters for spots associated with the MIRO measurements.

Parameter Spot 1 Spot 2
Date 2015-03-28 2015-03-27
Measurement time t0 UTC 08:14:24 UTC 09:03:12
Spacecraft distance 22 km 52 km
Spacecraft latitude 28.12° − 9.51°
Spacecraft longitude − 168.56° 140.13°
Beam axis latitude 27.18° − 36.17°
Beam axis longitude − 170.16° 137.32°
Spot width MM 300 m 700 m
Spot width SubMM 100 m 230 m
Sun latitude 14.31° 14.58°
Sun longitude − 101.87° − 150.02°
SZA 48.98° 86.25°
Sun distance 1.998 AU 2.003 AU
cx −2010.491 −790.439
cy −348.534 729.019
cz 1047.545 −785.839
ex 0.863158 0.759045
ey 0.177328 −0.632588
ez −0.472772 0.153894

Notes. SZA is the solar zenith angle. (cx, cy, cz) is the spot center. (ex, ey, ez) is the antenna beam direction. Spot widths on the basis of 2 FWHM.

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