The trapezium system BD+00 1617 (Munari+ 1999)

Physics

Scientific paper

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Binaries: Spectroscopic, Radial Velocities, Spectroscopy

Scientific paper

Internal kinematics, spectroscopic binaries and galactic motion are investigated for the trapezium system BD+00 1617 (which lies at the heart of the young open cluster Bochum 2) by means on 73 high resolution Echelle+CCD spectra secured over the period 1994-98. Two of the three O-type member stars are found to be binaries on close and highly eccentric orbits of 6.8 and 11.0 day period. Tables 2 and 3, that are available only in electronic form, give the journal of the observations and the individual radial velocities. (2 data files).

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