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Anatomy of Empirical Transit Spectra of Mars Based on TGO/NOMAD

  • Authors: Shohei Aoki, Yuka Fujii, Hideo Sagawa, Geronimo L. Villanueva, Ian Thomas, Bojan Ristic, Frank Daerden, Miguel Angel López-Valverde, Manish R. Patel, Jonathon Mason, Yannick Willame, Giancarlo Bellucci, Ann Carine Vandaele

Shohei Aoki et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 3.

Illustration of the relationship between the Sun and Mars throughout a Martian year. The solar longitude (Ls) is the angle between the Sun and Mars, measured from the position of the northern hemisphere’s spring equinox, defined as Ls = 0°. Thus, Ls = 90° corresponds to the northern summer solstice, Ls = 180° marks the northern fall equinox, and Ls = 270° corresponds to the northern winter solstice.

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