Magnetic fields in molecular clouds - OH Zeeman observations
Abstract
OH Zeeman observations of the absorption lines produced in interstellar dust clouds toward 3C 133, 3C 123 and W51 lead to conservative, 3 sigma upper limits to the magnetic field at each position of 15, 25 and 30 microgauss, respectively. The line spectrum and the polarization-switched Zeeman spectrum were computed for each source using only normalized power spectra derived from the autocorrelation receiver.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- October 1981
- DOI:
- 10.1086/159268
- Bibcode:
- 1981ApJ...249..134C
- Keywords:
-
- Absorption Spectra;
- Hydroxyl Radicals;
- Interstellar Magnetic Fields;
- Molecular Clouds;
- Zeeman Effect;
- Field Strength;
- H Lines;
- Power Spectra;
- Astrophysics