[vsnet-alert 9359] P Cyg activity

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Sat May 19 10:50:40 JST 2007


   According to Ernst Pollmann, the line profiles of P Cyg
have shown violent variations (Halpha emission and of the
absorption component of He I 6678, from "be-stars").

   Kenji Nakai-san also independently noted brightening
(vsnet-obs 58158).  These observation may indicate a significant
mass-loss event.

   Follow-up observations are encouraged.

  YYYYMMDD(UT)   mag  observer
  20070318.767    48  (Atsuko Takahashi)
  20070320.812    48  (Yasunori Watanabe)
  20070322.208    48  (Gobet Franck)
  20070323.822    48  (Yasunori Watanabe)
  20070325.769    48  (Atsuko Takahashi)
  20070404.174    48  (Gobet Franck)
  20070405.151    46  (Gobet Franck)
  20070406.156    48  (Gobet Franck)
  20070407.167    48  (Gobet Franck)
  20070412.174    46  (Gobet Franck)
  20070425.649    50  (Kenji Nakai)
  20070502.651    48  (Kenji Nakai)
  20070504.157    46  (Gobet Franck)
  20070509.926    48  (Gobet Franck)
  20070514.632    48  (Kenji Nakai)
  20070517.572    45  (Kenji Nakai)


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