BISOU: a balloon pathfinder for CMB spectral distortions studies

B. Maffei; N. Aghanim; J. Aumont; E. Battistelli; A. Beelen; A. Besnard; B. Borgo; M. Calvo; A. Catalano; J. Chluba; X. Coulon; P. De Bernardis; C. de Jabrun; M. Douspis; J. Errard; J. Grain; P. Guiot; J. C. Hill; H. Ishino; A. Kogut; G. Lagache; J. Macias-Perez; S. Masi; T. Matsumura; A. Monfardini; C. O'Sullivan; L. Pagano; G. Patanchon; G. Pisano; L. Pitre; N. Ponthieu; M. Remazeilles; A. Ritacco; G. Savini; V. Sauvage; A. Shitvov; S. L. Stever; A. Tartari; L. Thiele; N. Trappe; J.-F. Aubrun; N. Bray; S. Louvel

doi:10.1117/12.3018371

16 August 2024 BISOU: a balloon pathfinder for CMB spectral distortions studies

B. Maffei, N. Aghanim, J. Aumont, E. Battistelli, A. Beelen, A. Besnard, B. Borgo, M. Calvo, A. Catalano, J. Chluba, X. Coulon, P. De Bernardis, C. de Jabrun, M. Douspis, J. Errard, J. Grain, P. Guiot, J. C. Hill, H. Ishino, A. Kogut, G. Lagache, J. Macias-Perez, S. Masi, T. Matsumura, A. Monfardini, C. O'Sullivan, L. Pagano, G. Patanchon, G. Pisano, L. Pitre, N. Ponthieu, M. Remazeilles, A. Ritacco, G. Savini, V. Sauvage, A. Shitvov, S. L. Stever, A. Tartari, L. Thiele, N. Trappe, J.-F. Aubrun, N. Bray, S. Louvel

Author Affiliations +

Proceedings Volume 13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII; 131020N (2024) https://doi.org/10.1117/12.3018371
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

The BISOU (Balloon Interferometer for Spectral Observations of the primordial Universe) project studies the viability and prospects of a balloon-borne spectrometer, pathfinder of a future space mission dedicated to the measurements of the CMB spectral distortions. A balloon concept based on a Fourier Transform Spectrometer, covering a spectral range from about 90 GHz to 2 THz, adapted from previous mission proposals such as PIXIE and FOSSIL, is being studied and modeled. Taking into account the requirements and conditions of balloon flights, we present here the instrument concept together with the results of a CNES Phase 0 study. We forecast a first detection of the CMB Compton y-distortion monopole with a signal-to-noise ratio of at least 5. We also present the future plan and work that will be the subject of a recently awarded two-year Phase A study.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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B. Maffei, N. Aghanim, J. Aumont, E. Battistelli, A. Beelen, A. Besnard, B. Borgo, M. Calvo, A. Catalano, J. Chluba, X. Coulon, P. De Bernardis, C. de Jabrun, M. Douspis, J. Errard, J. Grain, P. Guiot, J. C. Hill, H. Ishino, A. Kogut, G. Lagache, J. Macias-Perez, S. Masi, T. Matsumura, A. Monfardini, C. O'Sullivan, L. Pagano, G. Patanchon, G. Pisano, L. Pitre, N. Ponthieu, M. Remazeilles, A. Ritacco, G. Savini, V. Sauvage, A. Shitvov, S. L. Stever, A. Tartari, L. Thiele, N. Trappe, J.-F. Aubrun, N. Bray, and S. Louvel "BISOU: a balloon pathfinder for CMB spectral distortions studies", Proc. SPIE 13102, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XII, 131020N (16 August 2024); https://doi.org/10.1117/12.3018371

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