Exoplanet Search and Characterization with the Proposed POET Canadian Space Mission

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Bibliographic Details
Main Authors:	Metchev, S., Rowe, J., Miles-Páez, P., Hoffman, K., Lambier, S., Cloutier, R., Ishikawa, H., Kavelaars, JJ, Kunimoto, M., Lafrenière, D., Lovekin, C., Pilles, E., Ruan, J., Sabarinathan, J., Wade, G., Wiegert, P., Grandmont, F., Poulin-Girard, A. -S., Grocott, S., Zee, R., Dupuis, J., Langlois, P., Roediger, J.
Format:	Preprint
Published:	2026
Subjects:	Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics
Online Access:	Acceder al recurso
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_version_	1866915891082428416
author	Metchev, S. Rowe, J. Miles-Páez, P. Hoffman, K. Lambier, S. Cloutier, R. Ishikawa, H. Kavelaars, JJ Kunimoto, M. Lafrenière, D. Lovekin, C. Pilles, E. Ruan, J. Sabarinathan, J. Wade, G. Wiegert, P. Grandmont, F. Poulin-Girard, A. -S. Grocott, S. Zee, R. Dupuis, J. Langlois, P. Roediger, J.
author_facet	Metchev, S. Rowe, J. Miles-Páez, P. Hoffman, K. Lambier, S. Cloutier, R. Ishikawa, H. Kavelaars, JJ Kunimoto, M. Lafrenière, D. Lovekin, C. Pilles, E. Ruan, J. Sabarinathan, J. Wade, G. Wiegert, P. Grandmont, F. Poulin-Girard, A. -S. Grocott, S. Zee, R. Dupuis, J. Langlois, P. Roediger, J.
contents	The Photometric Observations of Exoplanet Transits (POET) is a proposed micro-satellite mission dedicated to the characterization and discovery of transiting exoplanets. POET has been identified as a top priority small-sat space mission in the Canadian Astronomy Long Range Plan 2020-2030. POET is being proposed as Canada's next astronomy space mission, with launch possible in late 2029. POET is an iteration on the designs of the Canadian MOST and NEOSSat space missions, which had 15 cm-sized telescopes and observed only in the visible band pass. POET will have a larger 20 cm telescope aperture and three band passes: near-ultraviolet (nUV; 300-400 nm), visible near-infrared (VNIR; 400-900 nm), and short-wavelength infrared (SWIR; 900-1700 nm). All mission components either already have significant space heritage or are seeing rapid adoption in commercial space missions. POET's simultaneous tri-band 300-1700 nm photometric monitoring will allow it to separate the impact of star spots on the transmission spectrum of extended atmospheres on super-Earth or larger exoplanets. POET's SWIR band is optimally sensitive to the emission peak of ultracool dwarf stars and would enable a systematic search for Earth-sized planets around them. POET aims to discover some of the nearest potentially habitable Earth-sized exoplanets that could be scrutinized for biosignatures with JWST or future telescopes. Herein we present the assembly of the POET Input Catalog of Ultracool Dwarfs and simulations of the expected yield of rocky planets with POET.
format	Preprint
id	arxiv_https___arxiv_org_abs_2603_24485
institution	arXiv
publishDate	2026
record_format	arxiv
spellingShingle	Exoplanet Search and Characterization with the Proposed POET Canadian Space Mission Metchev, S. Rowe, J. Miles-Páez, P. Hoffman, K. Lambier, S. Cloutier, R. Ishikawa, H. Kavelaars, JJ Kunimoto, M. Lafrenière, D. Lovekin, C. Pilles, E. Ruan, J. Sabarinathan, J. Wade, G. Wiegert, P. Grandmont, F. Poulin-Girard, A. -S. Grocott, S. Zee, R. Dupuis, J. Langlois, P. Roediger, J. Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics The Photometric Observations of Exoplanet Transits (POET) is a proposed micro-satellite mission dedicated to the characterization and discovery of transiting exoplanets. POET has been identified as a top priority small-sat space mission in the Canadian Astronomy Long Range Plan 2020-2030. POET is being proposed as Canada's next astronomy space mission, with launch possible in late 2029. POET is an iteration on the designs of the Canadian MOST and NEOSSat space missions, which had 15 cm-sized telescopes and observed only in the visible band pass. POET will have a larger 20 cm telescope aperture and three band passes: near-ultraviolet (nUV; 300-400 nm), visible near-infrared (VNIR; 400-900 nm), and short-wavelength infrared (SWIR; 900-1700 nm). All mission components either already have significant space heritage or are seeing rapid adoption in commercial space missions. POET's simultaneous tri-band 300-1700 nm photometric monitoring will allow it to separate the impact of star spots on the transmission spectrum of extended atmospheres on super-Earth or larger exoplanets. POET's SWIR band is optimally sensitive to the emission peak of ultracool dwarf stars and would enable a systematic search for Earth-sized planets around them. POET aims to discover some of the nearest potentially habitable Earth-sized exoplanets that could be scrutinized for biosignatures with JWST or future telescopes. Herein we present the assembly of the POET Input Catalog of Ultracool Dwarfs and simulations of the expected yield of rocky planets with POET.
title	Exoplanet Search and Characterization with the Proposed POET Canadian Space Mission
topic	Earth and Planetary Astrophysics Instrumentation and Methods for Astrophysics Solar and Stellar Astrophysics
url	https://arxiv.org/abs/2603.24485