DASI -- What flower is this?

• CMB Anisotropy Experiment

  • angular scales ? ~ 0.2? to 1.3°
  • angular wavenumbers l ~ 140 to 900

• 13 element compact interferometer

  • 20 cm diameter antennas
  • 120 cm maximum baseline
  • 25 cm minimum baseline
  • fixed rotatable aperture plane

• Ka band receivers

  • 26-36 GHz (? ~ 1 cm)
  • HEMT amplifiers

• 10 GHz IF bandwidth

  • correlated in ten 1 GHz bands

The Degree Angular Scale Interferometer

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