Long Term Variations of Pulsar Intensities

PULSAR intensity variations may be divided roughly into three classes. There are rapid variations on a time-scale of seconds to minutes which occur simultaneously over a wide range of frequency and must therefore be intrinsic to the source 1 . On a somewhat longer time-scale there are variations typ...

Full description

Saved in:
Bibliographic Details
Published in:Nature (London) 1970-02, Vol.225 (5234), p.712-713
Main Authors: COLE, T. W., HESSE, H. K., PAGE, C. G.
Format: Article
Language:English
Subjects:
Humanities and Social Sciences
letter
multidisciplinary
Science
Science (multidisciplinary)
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:PULSAR intensity variations may be divided roughly into three classes. There are rapid variations on a time-scale of seconds to minutes which occur simultaneously over a wide range of frequency and must therefore be intrinsic to the source 1 . On a somewhat longer time-scale there are variations typically over a few minutes to a few hours which correlate only over limited bandwidths. There is strong evidence that they are caused by irregular diffraction in the interstellar medium 2,3 . Finally, there are variations on a time-scale of days to months 4 about which little is known because extended regular observations are required. In this report we present some new results obtained during timing observations carried out on a routine basis over 11 months.
ISSN:0028-0836
1476-4687
DOI:10.1038/225712a0