QUaD (télescope)

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QUaD
Présentation
Type
Radiotélescope, expérience du fond diffus cosmologique (en)Voir et modifier les données sur Wikidata
Observatoire
Géographie
Localisation
Coordonnées
Carte

modifier - modifier le code - modifier WikidataDocumentation du modèle

QUEST at DASI, abrégé par l'acronoyme QUaD, est une expérience de mesure de la polarisation gravitationnelle du fond diffus cosmologique à l'aide d'un récepteur à matrice bolométrique placé au pôle Sud[1]mené par le consortium international DESI (Dark Energy Spectroscopic Instrument – Spectroscope de l’énergie sombre), sur une duré de cinq ans. Le projet est lancé officiellement en mai 2021[2]. L'expérience comprend l'instrument QUEST (Q and U Extragalactic Sub-mm Telescope), qui est le nom donné au télescope et aux instruments bolométrique, auquel a été rattaché un détecteur d'interférométrie basé sur le modèle de DASI (Degree Angular Scale Interferometer).

Notes et références

  1. ↑ (en) QUaD collaboration, « First season QUaD CMB temperature and polarization power spectra », The Astrophysical Journal, vol. 674,‎ , p. 22–28 (DOI 10.1086/524922, Bibcode 2008ApJ...674...22A, arXiv 0705.2359)
  2. ↑ « DESI lance un programme de 5 ans pour mieux comprendre l’univers », sur Inside the Perimeter, (consulté le )

Liens externes

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Expériences d'observation des anisotropies du fond diffus cosmologique
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