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机译:The stellar content of obscured Galactic giant HII regions. II. W42
Cerro Tololo Interamer Observ, Casilla 603, La Serena, Chile.;
Hii regions; Infrared : stars; Stars : early-type; Stars : formation; Stars : fundamental parameters; Infrared standard stars; Herbig ae/be stars; Objects; Telescope; Mass; Calibration; Photometry; Galaxy; Radio; Disks;