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The age and evolutionary status of MWC 349A, the unique emission-line star with maser and laser radiation in hydrogen… Expand Context. Cyg OB2 is one of the most massive associations of O-type stars in our Galaxy. Despite the large interstellar reddening… Expand The star Cyg OB2 No. 9 is a well-known non-thermal radio emitter. Recent theoretical work suggests that all such O-stars should… Expand We carried out a 5-pointing mosaic observation of TeV J2032+4130 at 1.4 and 4.8 GHz with the VLA in April of 2003. The analysis… Expand Ten highly polymorphic microsatellite loci possibly linked to or correlated with the Callipyge gene were selected, according to… Expand The detection of 1.809 MeV gamma-ray line emission from the Cygnus X complex by the COMPTEL telescope is one of the most… Expand We present the results of the spectral analysis of 11 OB stars in Cyg OB2, among them seven giants and supergiants. The projected… Expand