Inferring Shallow Surfaces on sub-Neptune Exoplanets with JWST

ArXiv 2111.06429 (2021)

Authors:

Shang-Min Tsai, Hamish Innes, Tim Lichtenberg, Jake Taylor, Matej Malik, Katy Chubb, Raymond Pierrehumbert

A solar C/O and sub-solar metallicity in a hot Jupiter atmosphere

Nature Springer Nature 598:7882 (2021) 580-584

Authors:

Michael R Line, Matteo Brogi, Jacob L Bean, Siddharth Gandhi, Joseph Zalesky, Vivien Parmentier, Peter Smith, Gregory N Mace, Megan Mansfield, Eliza M-R Kempton, Jonathan J Fortney, Evgenya Shkolnik, Jennifer Patience, Emily Rauscher, Jean-Michel Désert, Joost P Wardenier

High-resolution spectroscopy

Chapter in ExoFrontiers: Big Questions in Exoplanetary Science, IOP Publishing (2021) 8-1

Authors:

Matteo Brogi, Jayne Birkby

Abstract:

High-resolution spectroscopy (HRS) allows resolving the spectrum of an exoplanetary atmosphere into individual lines and using the Doppler shift of the planet spectrum to disentangle it from other sources, such as telluric contamination and the host star spectrum. The method excels at identifying chemical species with numerous spectral lines and can be used for transmission, day/night-side emission, and reflected light spectroscopy. This chapter discusses the state of the art and important questions and goals for HRS, the opportunities it offers and the challenges it faces.

The young HD 73583 (TOI-560) planetary system: Two 10-M$_\oplus$ mini-Neptunes transiting a 500-Myr-old, bright, and active K dwarf

(2021)

Authors:

O Barragán, DJ Armstrong, D Gandolfi, I Carleo, AA Vidotto, C Villarreal D'Angelo, A Oklopčić, H Isaacson, D Oddo, K Collins, M Fridlund, SG Sousa, CM Persson, C Hellier, S Howell, A Howard, S Redfield, N Eisner, IY Georgieva, D Dragomir, D Bayliss, LD Nielsen, B Klein, S Aigrain, M Zhang, J Teske, JD Twicken, J Jenkins, M Esposito, V Van Eylen, F Rodler, V Adibekyan, J Alarcon, DR Anderson, JM Akana Murphy, D Barrado, SCC Barros, B Benneke, F Bouchy, EM Bryant, P Butler, J Burt, J Cabrera, S Casewell, P Chaturvedi, R Cloutier, WD Cochran, J Crane, I Crossfield, N Crouzet, KI Collins, F Dai, HJ Deeg, A Deline, ODS Demangeon, X Dumusque, P Figueira, E Furlan, C Gnilka, MR Goad, E Goffo, F Gutiérrez-Canales, A Hadjigeorghiou, Z Hartman, AP Hatzes, M Harris, B Henderson, T Hirano, S Hojjatpanah, S Hoyer, P Kabáth, J Korth, J Lillo-Box, R Luque, M Marmier, T Močnik, A Muresan, F Murgas, E Nagel, HLM Osborne, A Osborn, HP Osborn, E Palle, M Raimbault, GR Ricker, RA Rubenzahl, C Stockdale, NC Santos, N Scott, RP Schwarz, S Shectman, M Raimbault, S Seager, D Ségransan, LM Serrano, M Skarka, AMS Smith, J Šubjak, TG Tan, S Udry, C Watson, PJ Wheatley, R West, JN Winn, SX Wang, A Wolfgang, C Ziegler

Detecting life outside our solar system with a large high-contrast-imaging mission

Experimental Astronomy Springer 54:2-3 (2021) 1237-1274

Authors:

Ignas AG Snellen, F Snik, M Kenworthy, S Albrecht, G Anglada-Escudé, I Baraffe, P Baudoz, W Benz, J-L Beuzit, B Biller, JL Birkby, A Boccaletti, R van Boekel, J de Boer, Matteo Brogi, L Buchhave, L Carone, M Claire, R Claudi, B-O Demory, J-M Désert, S Desidera, BS Gaudi, R Gratton, M Gillon

Abstract:

In this White Paper, which was submitted in response to the European Space Agency (ESA) Voyage 2050 Call, we recommend the ESA plays a proactive role in developing a global collaborative effort to construct a large high-contrast imaging space telescope, e.g. as currently under study by NASA. Such a mission will be needed to characterize a sizable sample of temperate Earth-like planets in the habitable zones of nearby Sun-like stars and to search for extraterrestrial biological activity. We provide an overview of relevant European expertise, and advocate ESA to start a technology development program towards detecting life outside the Solar System.Publisher PDFPeer reviewe