Mechanisms for Pulsar Eclipse
Abstract
The steady (DC) component of the 318 MHz emission of pulsar 1957 + 20 appears to be eclipsed by plasma that is too tenuous for a plasma frequency cutoff. Alternative eclipse mechanisms are considered, including (1) scattering by plasma turbulence, (2) nonlinear decay of electromagnetic waves, and (3) absorption by nonthermal electrons. Several possible observational consequences are discussed.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- March 1991
- DOI:
- 10.1086/185969
- Bibcode:
- 1991ApJ...370L..27E
- Keywords:
-
- Eclipsing Binary Stars;
- Plasma Turbulence;
- Pulsars;
- Electromagnetic Radiation;
- Electron Scattering;
- High Energy Electrons;
- Stellar Winds;
- Astrophysics;
- PLASMAS;
- PULSARS;
- STARS: BINARIES;
- STARS: INDIVIDUAL ALPHANUMERIC: PSR 1957;
- 20;
- STARS: INDIVIDUAL ALPHANUMERIC: PSR 1744-24A