Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982acasn..23..140w&link_type=abstract
Acta Astronomica Sinica, vol. 23, June 1982, p. 140-146. In Chinese with abstract in English.
Astronomy and Astrophysics
Astronomy
Axes Of Rotation, Pulsars, Radiation Distribution, Stellar Evolution, Stellar Magnetic Fields, Stellar Rotation, Angles (Geometry), Beams (Radiation), Data Acquisition, Inclination, Statistical Analysis
Scientific paper
The distributions of apparent beamwidths for a sample of 195 pulsars with known ages were analyzed. Under the assumptions that radiation is directly emitted by the pulsar cone and that the rotation axis with respect to the observer is randomly oriented, the formulas of the conditioned distribution density of the apparent beamwidths and the distribution density of the magnetic inclination were derived. The results of the numerical calculations are shown. It was found that the distribution of magnetic inclinations tends to have a small angle, pulsars with angles of 30 degrees or less making up about 73 percent of the total. As the age increases, the magnetic inclination gradually decreases.
Cheng Jih-Hsin
Deng Guo-Xiang
Qiao Guo Jun
Wu Fei-Fei
Wu Xin-Ji
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