Detection and characterization of instrumental transients in LISA Pathfinder and their projection to LISA

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dc.contributor.authorBaghi, Quentin
dc.contributor.authorKorsakova, Natalia
dc.contributor.authorSlutsky, Jacob
dc.contributor.authorCastelli, Eleonora
dc.contributor.authorKarnesis, Nikolaos
dc.contributor.authorBayle, Jean-Baptiste
dc.date.accessioned2024-04-01T22:23:30Z
dc.date.available2024-04-01T22:23:30Z
dc.date.issued2022-02-16
dc.description.abstractThe LISA Pathfinder (LPF) mission succeeded outstandingly in demonstrating key technological aspects of future space-borne gravitational-wave detectors, such as the Laser Interferometer Space Antenna (LISA). Specifically, LPF demonstrated with unprecedented sensitivity the measurement of the relative acceleration of two free-falling cubic test masses. Although most disruptive nongravitational forces have been identified and their effects mitigated through a series of calibration processes, some faint transient signals of yet unexplained origin remain in the measurements. If they appear in the LISA data, these perturbations (also called glitches) could skew the characterization of gravitational-wave sources or even be confused with gravitational-wave bursts. For the first time, we provide a comprehensive census of LPF transient events. Our analysis is based on a phenomenological shapelet model allowing us to derive simple statistics about the physical features of the glitch population. We then implement a generator of synthetic glitches designed to be used for subsequent LISA studies, and perform a preliminary evaluation of the effect of the glitches on future LISA data analyses.
dc.description.sponsorshipWe would like to gratefully thank the members of the LISA Consortium Simulation and the LISA Data Challenge working groups for interesting inputs and exchanges. We also thank the LISA Pathfinder Collaboration for generating the delta-g data products and making them available to the community. This work is carried out as a contribution to the Artifacts Group within the LISA Science Group Work Package 2 (WP2). We warmly thank Ira Thorpe, Joseph Martino, and Antoine Petiteau for their valuable feedback. N. Korsakova acknowledges the support from CNES fellowship and the support by the LABEX Cluster of Excellence FIRST-TF (ANR-10-LABX-48-01), within the Program “Investissements d’Avenir operated by the French National Research Agency (ANR). N. Karnesis acknowledges the support from the ESA Prodex funding program (Gr-Prodex-Call 2019). Q. Baghi acknowledges the support from an appointment to the NASA Postdoctoral Program at the Goddard Space Flight Center, administered by Universities Space Research Association under contract with NASA. He also thanks Nelson Christensen for hosting him in the ARTEMIS lab at Côte d’Azur Observatory to enable a collaboration on this work. E. C. acknowledges funding from the Italian Ministry for Universities and Research (MUR) under Grant No. PRIN 2017-MB8AEZ.
dc.description.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.105.042002
dc.format.extent14 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2kwda-nxfz
dc.identifier.citationBaghi, Quentin, Natalia Korsakova, Jacob Slutsky, Eleonora Castelli, Nikolaos Karnesis, and Jean-Baptiste Bayle. “Detection and Characterization of Instrumental Transients in LISA Pathfinder and Their Projection to LISA.” Physical Review D 105, no. 4 (February 16, 2022): 042002. https://doi.org/10.1103/PhysRevD.105.042002.
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.105.042002
dc.identifier.urihttp://hdl.handle.net/11603/32746
dc.language.isoen_US
dc.publisherAPS
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain Mark 1.0 en
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.titleDetection and characterization of instrumental transients in LISA Pathfinder and their projection to LISA
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-4429-0682

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