Automatic guide for the Raduga astronomical spectrographстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:An automatic mirror guide has been designed and made for the Raduga fiber-optic echelle spectrograph. The new device was built
into one of the parts of the spectrograph and allows the work of observers to be facilitated significantly. The automatic
guide efficiently removes stellar image oscillations at frequencies of 0–2 Hz, which compensates almost completely for errors
in setting the polar axis of a telescope and in its clockwork drive. The guide can be used on any telescope with a focal length
of more than 5 m and has operated on two different telescopes. Over two observing seasons, several hundred stellar spectra
were taken with the Raduga spectrograph using the automatic guide.