Table 1
Summary of the Herschel-PACS and Herschel-HIFI observations of Saturn and the relevant observation geometry.
Start date | 2010-12-31 03:33:17 | Date for computations | 2010-12-31 03:40:00 |
OD | 596 | Ang. Diam. | 17.20′′ |
Obs. ID | 1342212192 | λobs | 226.63° |
Δt (s) | 744 | ϕobs | 12.42° |
Instrument | HIFI | λ⊙ | 231.99° |
Frequency | 1097.365 GHz | ϕ⊙ | 9.28° |
aNP | 357.29° | ||
Start date | 2011-01-02 10:32:21 | Date for computations | 2011-01-02 10:47:00 |
OD | 598 | Ang. Diam. | 17.26′′ |
Obs. ID | 1342212275 | λobs | 288.72° |
Δt (s) | 1693 | ϕobs | 12.46° |
Instrument | PACS | λ⊙ | 294.11° |
Wavelength | 66.44 μm | ϕ⊙ | 9.32° |
aNP | 357.30° |
Notes. OD means Herschel operational day, Δt is the total integration time. Ang. Diam. is Saturn’s equatorial angular diameter, λobs and ϕobs are the longitude and latitude (respectively) of the sub-observer point, λ⊙ and ϕ⊙ are the longitude and latitude, respectively, of the subsolar point, aNP is the north polar angle. The solar longitude of Saturn (LS) is 17°. All latitudesin this table are planetographic and all longitudes are System III west longitudes. The physical parameters of Saturn (right column) were obtained from the JPL/Horizons database.
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