The galactic rotation outside the solar circle.
Abstract
New photometric and spectroscopic observations of the exciting stars of galactic H II regions are presented. Combining the derived distances with the radial velocities of the regions gives evidence for a rising rotation curve beyond the solar circle.
- Publication:
-
Astronomy and Astrophysics
- Pub Date:
- October 1984
- Bibcode:
- 1984A&A...139L...5C
- Keywords:
-
- Galactic Rotation;
- Galactic Structure;
- Radial Velocity;
- Stellar Spectrophotometry;
- Astronomical Coordinates;
- H Ii Regions;
- Stellar Parallax;
- Ubv Spectra;
- Astronomy