[vsnet-alert 11077] SU Tau fading?

[Taichi Kato]

SU Tau fading?

  ASAS-3 and several AAVSO observers have noted the fading trend of
SU Tau, although discrepancies are present between reports.
This might be an early stage of a new fading episode.

  YYYYMMDD(UT)   mag  observer
  20090128.896   102  (Hubert Hautecler)
  20090129.1408 9.756V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090129.833    99  (Hubert Hautecler)
  20090130.858    95  (Erwin van Ballegoij)
  20090131.0817 9.618V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090131.635    98  (Yutaka Maeda)
  20090131.792    99  (Hubert Hautecler)
  20090201.0858 9.671:V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090201.426    98  (Yasunori Watanabe)
  20090201.469    99  (Kenji Hirosawa)
  20090201.717    99  (Wolfgang Kriebel)
  20090206.633    97  (Hiroyuki Maehara)
  20090206.930   100  (Gary Poyner)
  20090207.0647 9.807:V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090207.0672 9.789:V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090209.1593 9.856V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090210.0610 9.864V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090211.810   100  (Georg Comello)
  20090212.828    98  (Jose Ripero)
  20090213.0753 10.036V  (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397))
  20090213.860    98  (Jose Ripero)
  20090214.836    98  (Jose Ripero)
  20090215.839    98  (Jose Ripero)
  20090217.599    99  (Hiroyuki Maehara)