Re: NSV stars in DS23

[aah@nofs.navy.mil]

Patrick,
  You say that WX CMi is mismarked by 2.5arcmin on the
AAVSO charts.  I am not following how you determined this.
Did you use colors and variability or what?

>I also found a recent eclipse timing of VX Mon in IBVS
>5287.  With the given O-C, there was no eclipse at the
>time of the TASS observations.  
  This is why you will always find variables in fields that
have aleady been surveyed.  Especially with long-period eclipsers,
or stars with integral day periods, or objects that outburst
infrequently, finding them takes lots of monitoring.  Of course,
the more careful the previous survey, the fewer new variables
will be found, so it is often a matter of returns vs. work.
  The stars that are missed by short surveys are usually ones
of high interest.  There are not many known long-period eclipsing
systems, due mostly to geometric constraints, so finding more
increases the statistical properties proportionally.  The
outbursting objects are always desired by professionals; there are
only a few hundred CVs, for example, and with such variety that
more are needed to pin down models.  Then there are always the
oddballs:  novae, orphan afterglows from gamma-ray bursts, etc.
All of these objects are perfect for long-term monitoring projects
such as what Tom is envisioning for his Mark IV cameras.
Arne