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arxiv: 2502.12255 · v3 · pith:ZNBGLEN3new · submitted 2025-02-17 · 🌌 astro-ph.SR · astro-ph.EP

The past, present and future of observations of externally irradiated disks

Planet formation environments collaboration: Megan Allen , Rossella Anania , Morten Andersen , Mari-Liis Aru , Giulia Ballabio , Nicholas P. Ballering , Giacomo Beccari , Olivier Bern\'e
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Arjan Bik Ryan Boyden Gavin Coleman Javiera D\'iaz-Berrios Joseph W. Eatson Jenny Frediani Jan Forbrich Katia Gkimisi Javier R. Goicoechea Saumya Gupta Mario G. Guarcello Thomas J. Haworth William J. Henney Andrea Isella Dominika Itrich Luke Keyte Jinyoung Serena Kim Michael Kuhn Franck Le Petit Lilian Luo Carlo Manara Karina Mauc\'o Rapha\"el Meshaka Samuel Millstone James E. Owen S\'ebastien Paine Richard J. Parker Tyger Peake Megan Peatt Paola Pinilla Lin Qiao Mar\'ia Claudia Ram\'irez-Tannus Suzanne Ramsay Megan Reiter Ciar\'an Rogers Giovanni Rosotti Ilane Schroetter Andrew Sellek Leonardo Testi Sierk van Terwisga Silvia Vicente Catherine Walsh Andrew Winter Nicholas J. Wright Peter Zeidler
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classification 🌌 astro-ph.SR astro-ph.EP
keywords observationsfuturebroadcommunityfieldgoalmakeplanet
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Recent years have seen a surge of interest in the community studying the effect of ultraviolet radiation environment, predominantly set by OB stars, on protoplanetary disc evolution and planet formation. This is important because a significant fraction of planetary systems, potentially including our own, formed in close proximity to OB stars. This is a rapidly developing field, with a broad range of observations across many regions recently obtained or recently scheduled. In this paper, stimulated by a series of workshops on the topic, we take stock of the current and upcoming observations. We discuss how the community can build on this recent success with future observations to make progress in answering the big questions of the field, with the broad goal of disentangling how external photoevaporation contributes to shaping the observed (exo)planet population. Both existing and future instruments offer numerous opportunities to make progress towards this goal.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Velocity-resolved [O I] 63,145 um, [C II] 158 um, and OH mapping along the Orion BN/KL explosive outflow and irradiated shocks

    astro-ph.GA 2026-05 accept novelty 7.0

    Velocity-resolved [O I] maps of the Orion BN/KL outflow yield a total luminosity of 86.5 L_sun and line ratios indicating dense (10^5–10^6 cm^-3), warm (~500 K) postshock gas from 30–40 km/s dissociative J-type shocks...

  2. Velocity-resolved [O I] 63,145 um, [C II] 158 um, and OH mapping along the Orion BN/KL explosive outflow and irradiated shocks

    astro-ph.GA 2026-05 unverdicted novelty 6.0

    First velocity-resolved [O I] 63/145 um maps of the Orion BN/KL outflow show broad components from dense warm postshock gas, with line ratios matching 30-40 km/s dissociative J-shocks illuminated by external UV, yield...

  3. The Impact of Radiation Environment on the Evolution and Fragmentation of Protostellar Discs

    astro-ph.SR 2026-05 unverdicted novelty 4.0

    Stronger radiation environments produce more massive, hotter protostellar discs whose fragments are large and disruptive rather than planetary-mass.