Detecting a Young 2 Jupiter Mass Planet Embedded in the Disk of HD 163296

Gabriele Cugno, Richard Teague, Sean M. Andrews, Jaehan Bae, Myriam Benisty, Edwin Anthony Bergin, Alexander Julian Bohn, Markus Johannes Bonse, Arthur Bosman, Valentin Christiaens, Ilse Cleeves, Ian Czekala, Greta Guidi, Viviana Guzman, Thomas K. Henning, Jane Huang, John David Ilee, Charles Law, Romane Hanna Aurelie Le Gal, Feng LongRyan A. Loomis, Francois Menard, Karin Oberg, Polychronis Alexandros Patapis, Christophe Pinte, Daniel James Price, Sascha Patrick Quanz, Christian Rab, Anibal Estuardo Sierra Morales, Tomas Stolker, Judit Szulagyi, David Wilner, Ke Zhang

Research output: Other contribution


To directly confront planet formation mechanisms, a sample of objects in the earliest stages of their lives, i.e, when they are still embedded in their natal protoplanetary disks, need to be observed and studied. Here we propose to demonstrate a synergistic approach between the Atacama Large Millimeter/submillimeter Array (ALMA) and the James Webb Space Telescope (JWST). ALMA observations can reveal the location of an embedded planet by its influence on the dynamical structure of the protoplanetary disk, while the strength of these perturbations allow for a tight constraint on the mass of the planet. Here we propose to image for the first time an embedded planet in the disk around HD 163296 using the MIRI instrument onboard JWST. The 2 MJup planet has been detected in several, independent studies and lies 2" north of the host star. JWST/MIRI in coronagraphic mode at 11.4 $\mu$m is the only available option to detect such embedded objects for decades to come, as no other instrument has the mid-infrared high-contrast capabilities necessary to overcome the obstacle of disk absorption prevalent at shorter, NIR wavelengths. Given its mass and separation, the planet around HD163296 offers the highest chances of detection and would pave the path for a new and highly efficient exoplanet detection method. Detecting emission from the planet and its surrounding is going to reshape our understanding of planet formation, allowing for direct comparison between formation scenarios.
Original languageEnglish
Publication statusPublished - 1 Mar 2021

Publication series

NameJWST Proposal. Cycle 1


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