[vsnet-alert 8988] HO Del rare outburst

[Taichi Kato]

  The SU UMa-type dwarf nova HO Del is undergoing an outburst,
as reported by Rod Stubbings.  The current outburst may be
(or become) a superoutburst.  See note on supercycle below.

Last reported outbursts:
2003 Dec. 14.5CR, 13.9v (positive observations on Dec. 1 and 3
                         superoutburst?)
2001 Aug max=13.9, superoutburst (not very well covered because
                   of the ongoing outburst of WZ Sge)

2003 PASJ 55, 989
http://arxiv.org/abs/astro-ph/0307064
"Superhumps in the Rarely Outbursting SU UMa-Type Dwarf Nova, HO Delphini"

Based on recent observations and past records, the outbursts of HO Del
are found to be relatively rare, with the shortest intervals of
superoutbursts being ~740d.

  YYYYMMDD(UT)   mag  observer
  20060812.231  <169V  (Mike Simonsen)
  20060815.060  <152  (Gary Poyner)
  20060817.944  <141  (Jose Ripero)
  20060818.692  <176C  (Hiroyuki Maehara)
  20060820.896  <141  (Wolfgang Kriebel)
  20060820.929  <141  (Jose Ripero)
  20060820.976  <155  (Gary Poyner)
  20060821.947  <144  (Jose Ripero)
  20060824.941  <144  (Jose Ripero)
  20060825.001  <147  (Gary Poyner)
  20060825.466   142  (Rod Stubbings)