Integrated radio luminosities of pulsars

Details Integrated radio luminosities of pulsars Integrated radio luminosities of pulsars

Jun 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006arep...50..483m&link_type=abstract

Astronomy Reports, vol. 50, Issue 6, p.483-495

Astronomy and Astrophysics

Astronomy

2

Pacs Numbers 97.60.G

Scientific paper

The integrated radio luminosities of 311 long-period (P > 0.1 s) and 27 short-period (P < 0.1 s) pulsars have been calculated using a new compilation of radio spectra. The luminosities are in the range 1027 - 1030 erg/s for 88% of the long-period pulsars and 1028 - 1031 erg/s for 88% of the short-period pulsars. We find a high correlation between the luminosity L and the estimate L 1 = S 400 d 2 from the catalog of Taylor et al. The factor η for the transformation of the rotational energy of the neutron star into radio emission increases-decreases with increasing period for long-period and short-period pulsars. The mean value of η is -3.73 for the long-period and -4.85 for short-period pulsars. No dependence was found between L and the pulsar’s kinematic age t k = |z|/, where |z| and = 300 km/s are the pulsars’ height above the plane of the Galaxy and mean velocity. A dependence of L on the rate of rotational energy losses Ė was found for both groups of pulsars. It is shown that L ∝ Ė 1/3 for the entire sample. The pulsar luminosity function is constructed, and the total number and birth rate of pulsars in the Galaxy are calculated.

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