Hard X-ray Emission from Her X-1

FROM the 2 to 20 keV X-ray observations of Uhuru1, Her X-l has been identified as 1.7 d eclipsing binary pulsating with a periodicity of 1.25 s. More recent observations by Giacconi et al. (ASE Preprint 3166, 1973) show that this source exhibits regular 'on' states of duration 11 to 12 d f...

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Veröffentlicht in:	Nature (London) Phys. Sci., v. 246, no. 155, pp. 107-108 v. 246, no. 155, pp. 107-108, 1973-12, Vol.246 (155), p.107-108
Hauptverfasser:	SHARMA, D. P, JAIN, A. K, KASTURIRANGAN, K, JAYANTHI, U. B, RAO, U. R
Format:	Artikel
Sprache:	eng
Schlagworte:	BINARY STARS- X-RAY SPECTRA COSMIC X-RAY SOURCES- HARD X RADIATION COSMOLOGICAL MODELS DAILY VARIATIONS EMISSION SPECTRA ENERGY SPECTRA KEV RANGE 10-100 KEV RANGE 100-1000 letters-to-editor N56300 -Physics (Astrophysics & Cosmology)-Quasi-stellar, Radio & X-Ray Sources NEUTRON STARS- X-RAY SPECTRA Physics Physics and Astronomy VARIATIONS X RADIATION X-RAY DETECTION
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