Extragalactic Radio Sources.
Abstract
Extragalactic radio sources are usually double, with the two components, or radio 'clouds', located at distances (s) up to several hundred kiloparsecs from the nucleus of the parent object (galaxy or quasar). These clouds are apparently generated in an explosive event occuring in or near to the nucleus, and then ejected in opposite directions. However, recent high-resolution observations lead to the conclusion that the ejection velocity is typically small (V less than or about 0.1 c) while the minimum internal pressure is quite high (equivalent to about .0001 gauss). In addition, the cloud size (w) is often quite small compared to the distance traveled (w/s about 0.05 - 0.30). The cloud must therefore be confined in some manner. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- May 03, 1971
- Accession Number
- AD0727145
Entities
People
- David M. Mills
Organizations
- Stanford University