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The HD 60779 Planetary System: A Transiting Sub-Neptune on a 30 Day Orbit and a More Massive Outer World

  • Authors: Victoria DiTomasso, David Charbonneau, Andrew Vanderburg, Mercedes López- Morales, Shreyas Vissapragada, Annelies Mortier, Thomas G. Wilson, Elyse Incha, Andrew Collier Cameron, Luca Malavolta, Lars A. Buchhave, David W. Latham, Matteo Pinamonti, Stephanie Striegel, Michael Fausnaugh, Luke Bouma, Ben Falk, Robert Aloisi, Xavier Dumusque, A. Anna John, Ben S. Lakeland, A. F. Martínez Fiorenzano, Luca Naponiello, Belinda Nicholson, Emily K. Pass, Francesco Alfonso Pepe, Federica Rescigno, Alessandro Sozzetti, Daisy A. Turner, Saul A. Rappaport, Mark Omohundro, Brian P. Powell, Robert Gagliano, Thomas L. Jacobs, Veselin B. Kostov, Martti H. Kristiansen, Daryll M. LaCourse, Allan R. Schmitt, Hans Martin Schwengeler, Ivan A. Terentev

Victoria DiTomasso et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 11.

Simulated stellar Lyα emission and corresponding absorption by the interstellar medium for a star with a systemic RV of 0 km s−1 (upper panel) and with that of HD 60779, 130 km s−1 (lower panel). A systemic RV of 130 km s−1 would Doppler shift stellar Lyα emission out of the interstellar absorption band, giving us access to the entire Lyα feature. These plots were generated using the Lyapy code from A. Youngblood et al. (2016).

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