[Aavso-photometry] HMXB campaign

[Richard Huziak]

Hi all:

Well, we're back and caught up with sleep from the HMXB campaign visit 
to the Dominion Astrophysical Observatory (DAO) in Victoria, Canada. 
 Weather was quite poor and we managed only a handful of spectra over 
the week long run, but data is data, and they will be useful.  We also 
received the excellent experience of running the 72" (1.82m) scope, 
which is dirt-easy, so if you get a chance to run on a big scope, go for 
it!

We had exellent support from a few observers.  In particular, I'd like 
to thank Tim Crawford & Mike Koppelman who kept us awake on the chat 
group and moved around to cover stars as we jumped here and there 
between holes in the clouds to get spectra.  And I can see from the LCG 
that several others contributed great data - thank you!  Gord will get 
to analysing it soon.

Although the formal campaign has concluded, we can always use more data 
- the purpose was to find the periods of these stars, so more time 
series runs as you find time will be certainly apprecitated on the 4 DAO 
spectroscopy stars, and any others on the HMXB list you may fancy.  More 
are being added over time, so keep checking the list.  If only doing 
spot hits, please remember to do at least 5 consecutive frames since the 
stars are of low amplitude and we need to be able to average for precise 
data.

Campaign notice: http://www.aavso.org/publications/alerts/alert348.shtml
Charts: http://www.usask.ca/psychology/sarty/AAVSO_HMXB_Charts.html
Article: http://www.aavso.org/publications/ejaavso/ej56.shtml

Rick Huziak (HUZ)

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Richard Huziak
Manufacturing Engineering
SED Systems
Saskatoon, SK, Canada
tel. (306) 933-1676
<huziak at SEDSystems.ca>
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