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The CLEAN algorithm, widely used in radio interferometry for the deconvolution of radio images, performs well only if the raw radio image (dirty image) is, to good approximation, a simple convolution ...
In the last years, photometric and spectroscopic evidence has demonstrated that many, maybe all the Globular Clusters (GC) host multiple stellar populations. High-resolution spectroscopy has establish...
An All Sky Extrasolar Planet Survey with new generation multiple object Doppler instruments at Sloan telescope
The author presents her CCD measurements of 105 double and multiple stars performed with a ST-6 camera on the Belgrade Large Refractor (Zeiss 65/1055 cm).
CCD MEASUREMENTS OF DOUBLE AND MULTIPLE STARS AT NAO ROZHEN. II     binaries  visual       font style='font-size:12px;'> 2009/2/20
Using the 2-m telescope of the Bulgarian National Astronomical Observatory at Rozhen observations of twenty multiple stars were carried out during one whole night - October 30/31, and, also, during ...

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