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Observation of soft X-ray emission from a region near Per X-1 (1974)

Agrawal, P. C. ; Long, K. ; Garmire, G. P.

Springer

Astrophysics and space science 28 (1974), S. 185-191

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ISSN: 1572-946X

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract Soft X-ray emission from the X-ray source Per X-1 was observed in the 0.4–2 keV energy interval from a rocket borne X-ray detector. Spectral analysis of the data indicates that in the 0.4–2 keV band the X-ray emission from Per X-1 can be fitted either with a power law of slope-(4.8±1.2) or a thermal bremsstrahlung spectrum with akT value of (0.26 −0.08 +0.12 ) keV. Such a steep spectrum is inconsistent with the spectrum measured above 2 keV. The measured flux in 0.4–2 keV band corresponds to X-ray luminosity of 3×1045 ergs s−1 for Per X-1.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00642248

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