Radial velocities of 9 O-type stars (Mahy+, 2009)

Details Radial velocities of 9 O-type stars (Mahy+, 2009) Radial velocities of 9 O-type stars (Mahy+, 2009)

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009ycat..35020937m&link_type=abstract

VizieR On-line Data Catalog: J/A+A/502/937

Physics

Stars: Nearby, Binaries: Spectroscopic, Radial Velocities

Scientific paper

We present the results obtained from a long-term spectroscopic campaign to study the multiplicity of O-type stars in both the young open cluster NGC 2244 and the Mon OB2 association. Our spectroscopic monitoring was performed over several years, allowing us to investigate different timescales. For each star, several spectral diagnostic tools were applied to search for line shifts and profile variations. We also measured the projected rotational velocity and revisited the spectral classification.
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