EPJ Web of Conferences (Jan 2018)

Status of the GroundBIRD Telescope

  • Choi J.,
  • Génova-Santos R.,
  • Hattori M.,
  • Hazumi M.,
  • Ishitsuka H.,
  • Kanno F.,
  • Karatsu K.,
  • Kiuchi K.,
  • Koyano R.,
  • Kutsuma H.,
  • Lee K.,
  • Mima S.,
  • Minowa M.,
  • Nagai M.,
  • Nagasaki T.,
  • Naruse M.,
  • Oguri S.,
  • Okada T.,
  • Otani C.,
  • Rebolo R.,
  • Rubiño-Martín J.,
  • Sekimoto Y.,
  • Suzuki J.,
  • Taino T.,
  • Tajima O.,
  • Tomita N.,
  • Uchida T.,
  • Won E.,
  • Yoshida M.

DOI
https://doi.org/10.1051/epjconf/201816801014
Journal volume & issue
Vol. 168
p. 01014

Abstract

Read online

Our understanding of physics at very early Universe, as early as 10−35 s after the Big Bang, relies on the scenario known as the inflationary cosmology. Inflation predicts a particular polarization pattern in the cosmic microwave background, known as the B-mode yet the strength of such polarization pattern is extremely weak. To search for the B-mode of the polarization in the cosmic microwave background, we are constructing an off-axis rotating telescope to mitigate systematic effects as well as to maximize the sky coverage of the observation. We will discuss the present status of the GroundBIRD telescope.