BISOU: a  balloon project for spectral observations of the early universe

Bruno Maffei; Nabila Aghanim; Jonathan Aumont; Elia Battistelli; Jens Chluba; Xavier Coulon; Paolo De Bernardis; Marian Douspis; Julien Grain; J. Colin Hill; Alan Kogut; Joseph Kuruvilla; Guilaine Lagache; Juan Macias-Perez; Silvia Masi; Tomotake Matsumura; Lorenzo Mele; Alessandro Monfardini; Créidhe O'Sullivan; Luca Pagano; Giampaolo Pisano; Nicolas Ponthieu; Mathieu Remazeilles; Alessia Ritacco; Aditya Rotti; Giorgio Savini; Valentin Sauvage; Alexey Shitvov; Samantha Lynn Stever; Andrea Tartari; Leander Thiele; Neal Trappe; Jean-François Aubrun; André Laurens; Dominique Pheav; François Vacher

doi:10.1117/12.2630136

31 August 2022 BISOU: a balloon project for spectral observations of the early universe

Bruno Maffei, Nabila Aghanim, Jonathan Aumont, Elia Battistelli, Jens Chluba, Xavier Coulon, Paolo De Bernardis, Marian Douspis, Julien Grain, J. Colin Hill, Alan Kogut, Joseph Kuruvilla, Guilaine Lagache, Juan Macias-Perez, Silvia Masi, Tomotake Matsumura, Lorenzo Mele, Alessandro Monfardini, Créidhe O'Sullivan, Luca Pagano, Giampaolo Pisano, Nicolas Ponthieu, Mathieu Remazeilles, Alessia Ritacco, Aditya Rotti, Giorgio Savini, Valentin Sauvage, Alexey Shitvov, Samantha Lynn Stever, Andrea Tartari, Leander Thiele, Neal Trappe, Jean-François Aubrun, André Laurens, Dominique Pheav, François Vacher

Author Affiliations +

Proceedings Volume 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI; 121900A (2022) https://doi.org/10.1117/12.2630136
Event: SPIE Astronomical Telescopes + Instrumentation, 2022, Montréal, Québec, Canada

Abstract

The BISOU (Balloon Interferometer for Spectral Observations of the 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, while consolidating the instrumental concept and improving the readiness of some of its key sub-systems. 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 modelled. Taking into account the requirements and conditions of balloon flights (i.e. residual atmosphere, observation strategy for instance), we present here the instrument concept together with the results of the CNES phase 0 study, evaluating the sensitivity to some of its potential observables. For instance, we forecast a detection of the CMB Compton y-distortion monopole with a signal-to-noise ratio of at least 5.

Conference Presentation

Citation Download Citation

Bruno Maffei, Nabila Aghanim, Jonathan Aumont, Elia Battistelli, Jens Chluba, Xavier Coulon, Paolo De Bernardis, Marian Douspis, Julien Grain, J. Colin Hill, Alan Kogut, Joseph Kuruvilla, Guilaine Lagache, Juan Macias-Perez, Silvia Masi, Tomotake Matsumura, Lorenzo Mele, Alessandro Monfardini, Créidhe O'Sullivan, Luca Pagano, Giampaolo Pisano, Nicolas Ponthieu, Mathieu Remazeilles, Alessia Ritacco, Aditya Rotti, Giorgio Savini, Valentin Sauvage, Alexey Shitvov, Samantha Lynn Stever, Andrea Tartari, Leander Thiele, Neal Trappe, Jean-François Aubrun, André Laurens, Dominique Pheav, and François Vacher "BISOU: a balloon project for spectral observations of the early universe", Proc. SPIE 12190, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy XI, 121900A (31 August 2022); https://doi.org/10.1117/12.2630136

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