A high-resolution acousto-optical spectrograph suitable for CO observations of dark clouds.
Abstract
An acousto-optical spectrograph with a high spectral resolution of 28 kHz has been developed for spectral line observations of objects, such as dark clouds, where the line-widths are low. It has been mounted on the 4-m-diameter millimeter-wave telescope at CSIRO Division of Radiophysics at Epping, NSW and successfully tested using 115 GHz Co observations of a sample of southern dark clouds. At 115 GHz the velocity resolution of 0.07 km/s.
- Publication:
-
Publications of the Astronomical Society of Australia
- Pub Date:
- 1989
- DOI:
- 10.1017/S132335800002333X
- Bibcode:
- 1989PASA....8..207W
- Keywords:
-
- Acousto-Optics;
- Carbon Monoxide;
- Dark Matter;
- Molecular Clouds;
- Spectrographs;
- High Resolution;
- Line Spectra;
- Sound Waves;
- Spectral Resolution;
- Instrumentation and Photography