Volume 245, 2023

The chemical inventory of the inner regions of planet-forming disks – the JWST/MINDS program

Abstract

The understanding of planet formation has changed recently, embracing the new idea of pebble accretion. This means that the influx of pebbles from the outer regions of planet-forming disks to their inner zones could determine the composition of planets and their atmospheres. The solid and molecular components delivered to the planet-forming region can be best characterized by mid-infrared spectroscopy. With Spitzer low-resolution (R = 100, 600) spectroscopy, this approach was limited to the detection of abundant molecules, such as H2O, C2H2, HCN and CO2. This contribution will present the first results of the MINDS (MIRI mid-INfrared Disk Survey, PI:Th Henning) project. Due do the sensitivity and spectral resolution provided by the James Webb Space Telescope (JWST), we now have a unique tool to obtain the full inventory of chemistry in the inner disks of solar-type stars and brown dwarfs, including also less-abundant hydrocarbons and isotopologues. The Integral Field Unit (IFU) capabilities will enable at the same time spatial studies of the continuum and line emission in extended sources such as debris disks, the flying saucer and also the search for mid-IR signatures of forming planets in systems such as PDS 70. These JWST observations are complementary to ALMA and NOEMA observations of outer-disk chemistry; together these datasets will provide an integral view of the processes occurring during the planet-formation phase.

Graphical abstract: The chemical inventory of the inner regions of planet-forming disks – the JWST/MINDS program

Associated articles

Article information

Article type
Paper
Submitted
22 janv. 2023
Accepted
03 avr. 2023
First published
18 juil. 2023

Faraday Discuss., 2023,245, 112-137

The chemical inventory of the inner regions of planet-forming disks – the JWST/MINDS program

I. Kamp, T. Henning, A. M. Arabhavi, G. Bettoni, V. Christiaens, D. Gasman, S. L. Grant, M. Morales-Calderón, B. Tabone, A. Abergel, O. Absil, I. Argyriou, D. Barrado, A. Boccaletti, J. Bouwman, A. Caratti o Garatti, E. F. van Dishoeck, V. Geers, A. M. Glauser, M. Güdel, R. Guadarrama, H. Jang, J. Kanwar, P. Lagage, F. Lahuis, M. Mueller, C. Nehmé, G. Olofsson, E. Pantin, N. Pawellek, G. Perotti, T. P. Ray, D. Rodgers-Lee, M. Samland, S. Scheithauer, J. Schreiber, K. Schwarz, M. Temmink, B. Vandenbussche, M. Vlasblom, C. Waelkens, L. B. F. M. Waters and G. Wright, Faraday Discuss., 2023, 245, 112 DOI: 10.1039/D3FD00013C

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