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HELIOS: AN OPEN-SOURCE, GPU-ACCELERATED RADIATIVE TRANSFER CODE FOR SELF-CONSISTENT EXOPLANETARY ATMOSPHERES

  • Authors: Matej Malik, Luc Grosheintz, João M. Mendonça, Simon L. Grimm, Baptiste Lavie, Daniel Kitzmann, Shang-Min Tsai, Adam Burrows, Laura Kreidberg, Megan Bedell, Jacob L. Bean, Kevin B. Stevenson, and Kevin Heng

2017 The Astronomical Journal 153 56.

  • Provider: AAS Journals

Caption: Figure 7.

Comparison with the atmospheric model of GJ 1214b from Miller-Ricci & Fortney (2010). The left panel shows the dayside temperature–pressure profile at ﹩{T}_{\mathrm{eff}}=660﹩ K. The temperatures in the infrared photosphere (﹩\sim {10}^{-2}﹩–1 bar) match very well. We also reproduce the temperatures in the deep atmosphere when an artificial opacity of ﹩6\times {10}^{-4}﹩ cm2 g−1 is inserted into the visible wavelengths (dashed curve). We can mimic the convective tail by adding internal heat flux, shown here for ﹩{T}_{\mathrm{intern}}=60﹩ K (cyan). The right panel depicts the corresponding planetary emission for three models of the left panel, together with a blackbody emission at the same effective temperature for comparison. The spectrum of Miller-Ricci & Fortney (2010) shows more pronounced features, but overall has the same magnitude. The HELIOS runs are similar because the main temperature difference lies below the emitting photosphere.

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