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Observations of  Ara. Be stars -> Hot main sequence stars with :. Emission in H Circumstellar shell Rotation Non radial pulsations Flares : Mass Ejection ?. S. Lacour & X. Haubois. Reduction…. UV plane and visibilities. Without calibration With calibration.

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observations of ara

Observations of  Ara

Be stars -> Hot main sequence stars with :

  • Emission in H
  • Circumstellar shell
  • Rotation
  • Non radial pulsations
  • Flares : Mass Ejection ?

S. Lacour & X. Haubois

uv plane and visibilities
UV plane and visibilities
  • Without calibration With calibration
but the information is in the phase differential
But the information is in the phase! (differential)
  • 0.3 rad rms  16 degree rms : The closure phase measurements are very noisy
  • The differential phase is great!