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- W2076931105 abstract "view Abstract Citations (51) References (32) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS X-ray spectra of the Crab pulsar and nebula. Pravdo, S. H. ; Serlemitsos, P. J. Abstract The X-ray spectra of the Crab pulsar and Crab Nebula are analyzed. Observations were made with OSO 8 on March 17-18, 1978, with all spacecraft telemetry assigned to one detector during seven dwell mode experiments. A resolution of 1.25 ms was obtained for pulse-height-analyzed counts in 64 channels. Progressive hardening and subsequent softening of the spectrum across the pulse was found. The fraction of the pulsed flux, exhibiting a spectral variability of about 0.14 was concentrated solely in the region between the two peaks. A model is suggested in which the pulsed X-ray emission from the Crab pulsar consists of two components: one is physically related to the double-peaked gamma-ray pulse and possibly to radio and optical pulses, but has no spectral dependence on the pulse phase, while the other exhibits spectral variability with the pulse phase but is confined to the interpeak emission seen with X-ray energies. Publication: The Astrophysical Journal Pub Date: June 1981 DOI: 10.1086/158947 Bibcode: 1981ApJ...246..484P Keywords: Binary Stars; Crab Nebula; Pulsars; Stellar Spectra; X Ray Sources; X Ray Spectra; Broadband; Emission Spectra; Line Spectra; Magnetic Stars; Neutron Stars; Oso-8; Stellar Magnetic Fields; Variable Stars; Astrophysics full text sources ADS | data products SIMBAD (1)" @default.
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- W2076931105 date "1981-06-01" @default.
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- W2076931105 title "X-ray spectra of the Crab pulsar and Nebula" @default.
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