Distances to Galactic OB Stars: Photometry versus Parallax
Distances to Galactic OB Stars: Photometry versus Parallax
For application to surveys of interstellar matter and Galactic structure, we compute new spectrophotometric distances to 139 OB stars frequently used as background targets for UV spectroscopy. Many of these stars have updated spectral types and digital photometry with reddening corrections from the Galactic O-Star (GOS) spectroscopic survey. We compare …