Astronomy and Astrophysics – Astronomy
Scientific paper
Oct 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aas...196.3709s&link_type=abstract
American Astronomical Society, 196th AAS Meeting, #37.09; Bulletin of the American Astronomical Society, Vol. 32, p.1282
Astronomy and Astrophysics
Astronomy
Scientific paper
The middle-aged radio and gamma-ray pulsar PSR 1055-52 was observed by the Chandra X-ray Observatory in the ACIS Continuous Clocking (CC) mode on Jan 05, 2000 for 40 ks. We will present the pulsar's light curves for different energy bands and the spectra for different phases. The pulse profile is very broad and smooth for lower energies while it is much narrower and centered at a different phase at higher energies, in general agreement with the previous ROSAT observations. We suggest that the light curve is composed of several (at least two) components with different spectral properties. We will discuss possible interpretations of the observational results. This work was partially supported through a SAO grant.
Halpern Jules P.
Koptsevitch A.
Pavlov George G.
Sanwal Divas
Teter Marcus
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