Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....65l...9g&link_type=abstract
Astronomy and Astrophysics, vol. 65, no. 2, Apr. 1978, p. L9-L12.
Astronomy and Astrophysics
Astronomy
6
Luminous Intensity, Satellite Observation, Supernova Remnants, X Ray Sources, Astronomical Models, Astronomical Netherlands Satellite, Radio Sources (Astronomy), Signal To Noise Ratios, Spaceborne Astronomy, X Ray Astronomy
Scientific paper
The Astronomical Netherlands Satellite (ANS) has provided X-ray observations around the supernova remnant W44. X-ray emission with an observed intensity of 8 x 10 to the -11th power erg/sq cm/s (i.e., 1.03-3.5 keV) has been detected from a region which overlaps the radio source. Spectral fits to the pulse-height data and the application of the shock-wave model for the evolution of the signal-to-noise ratio suggest that W44 is the X-ray source.
Brinkman Albert C.
den Boggende Antonius J. F.
Gronenschild H. B. M. E.
Heise Jaret
Mewe Rolf
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