Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26a...247..405m&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 247, no. 2, July 1991, p. 405-409.
Astronomy and Astrophysics
Astronomy
24
Pulsars, Spaceborne Astronomy, X Ray Binaries, X Ray Spectra, Bremsstrahlung, Satellite-Borne Instruments, Spectrum Analysis
Scientific paper
Observations of the X-ray pulsar are performed with the High Energy X-ray Experiment to examine the flux levels and changes in the spectral shape. The observational data are employed to examine the phase-averaged spectrum, which fit a thermal bremsstrahlung model and a Suniaev-Titarchuk comptonization model. The mean pulse profiles for two observations are found to be different, but the measured spectra during the high state of GX 1 + 4 in 1978 are not significantly different from those observed in the present study.
Churazov Evgenii M.
Döbereiner Stephan
Englhauser Jakob
Gilfanov M. R.
Kendziorra Eckhard
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