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Revisiting the Atmosphere of HAT-P-70b with CARMENES High-resolution Transmission Spectroscopy

  • Authors: Tianjun Gan, Jaume Orell-Miquel, Fei Yan, Lisa Nortmann, Jorge Sanz-Forcada, Enric Pallé, Shude Mao, Pedro J. Amado, José A. Caballero, Stefan Cikota, David Cont, Artie P. Hatzes, Thomas Henning, Fabio Lesjak, Manuel López-Puertas, David Montes, Juan Carlos Morales, Alberto Peláez-Torres, Andreas Quirrenbach, Ansgar Reiners, Ignasi Ribas, Andreas Schweitzer

Tianjun Gan et al 2026 The Astronomical Journal 171 .

  • Provider: AAS Journals

Caption: Figure 9.

Distribution of Hα observations for gas giants as a function of the stellar age vs. planetary radius (top panel), and period vs. radius diagram for <1 Gyr old (bottom left panel) and ≥1 Gyr old (bottom right panel) planets. HAT-P-70b is labeled and marked with a blue star in the panels. Planets with detection of Hα are marked with blue dots, while those with Hα nondetections/upper limits are marked with red crosses. We indicate the 1 Gyr value with a dashed black horizontal line in the top panel. Results are retrieved from the ExoAtmospheres website.

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