Chandra Observations of PSR 1055-52

Details Chandra Observations of PSR 1055-52 Chandra Observations of PSR 1055-52

Oct 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000head....5.3304s&link_type=abstract

American Astronomical Society, HEAD Meeting #5, #33.04; Bulletin of the American Astronomical Society, Vol. 32, p.1241

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The middle-aged radio and gamma-ray pulsar PSR 1055-52 was observed with Chandra in the ACIS Continuous-Clocking mode on Jan 05, 2000 for 40 ks. The energy resolved lightcurves and the phase resolved spectra of the pulsar allow us to decompose the observations into different radiating components. The low energy pulse profile is very broad and smooth, while at higher energies it is much narrower and centered at a different phase. The spectrum is composed of at least two components, a thermal component originating at the polar caps of the neutron star and a nonthermal magnetospheric component. Phase variation of the spectral components and the physical interpretation in terms of neutron star models will be presented.

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