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| Science Article Reduction of CCD Observations of Double and Multiple Stars
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| Science Article A New Method Used to Re-Visit the Visual Orbit of the Spectroscopic Triple System Eta Orionis a
/ Pourbaix, D. ; Lampens, P.
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| Science Article Accurate CCD Photometry and Astrometry for HIPPARCOS Visual Double Stars
/ Lampens, P. ; Cuypers, J. ; Oblak, E. ; Seggewiss, W. ; et al
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| Science Article Comparison Bertween ISO-SWS Observations and Synthetic Spectra of K Giants and M Giants a Boo and ß Peg (Invited Paper)
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| Science Article On the Mass-Luminosity Relation
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| Science Article Assessing Statistical Accuracy to the Orbital Elements of Visual Double Stars by Means of Bootstrap
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| Science Article HIPPARCOS observations of Wolf-Rayet and O-star runaways.
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| Science Article Searching for Wolf-Rayet and O-Star Runaways using HIPPARCOS Proper Motions
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| Science Article A Statistical Study of the Visual Double Stars in the TYCHO Catalogue
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