# Results

We compare in Figure 1 the brightness temperature spectrum (from 70 GHz to 400 GHz) as found in the Legacy implementation in ASTRO (black lines) with the 2024 values (blue lines) and the CASA models (red lines). Figures 2–5 show the same thing, zooming on the 4 IRAM bands. The time used for Mars computation (the only model for which time variations are taken into account) is 01-Jan-2010.

Figure 1: Comparison of brightness temperature spectra of planets as present in the ASTRO Legacy version (black lines) with the 2024 models (blue lines) and CASA models (red lines). The colored areas represent the IRAM bands 1–4.

Figure 2: Same as Fig. 1 but zoom on the IRAM B1 (70–120 GHz); Comparison of brightness temperature spectra of planets as present in the ASTRO Legacy version (black lines) with the 2024 models (blue lines) and CASA models (red lines).

Figure 3: Same as Fig. 1 but zoom on the IRAM B2 (120–180 GHz); Comparison of brightness temperature spectra of planets as present in the ASTRO Legacy version (black lines) with the 2024 models (blue lines) and CASA models (red lines)

Figure 4: Same as Fig. 1 but zoom on the IRAM B3 (200–280 GHz); Comparison of brightness temperature spectra of planets as present in the ASTRO Legacy version (black lines) with the 2024 models (blue lines) and CASA models (red lines)

Figure 5: Same as Fig. 1 but zoom on the IRAM B4 (280–360 GHz); Comparison of brightness temperature spectra of planets as present in the ASTRO Legacy version (black lines) with the 2024 models (blue lines) and CASA models (red lines)

Subsections

- Telluric planets
  - Mars
  - Mercury
  - Venus
- Giant Planets
  - Uranus
  - Neptune
  - Jupiter
  - Saturn