Cosmic distances from X-ray and microwave observations of clusters of galaxies

Details Cosmic distances from X-ray and microwave observations of clusters of galaxies Cosmic distances from X-ray and microwave observations of clusters of galaxies

Jun 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26a....75..322c&link_type=abstract

Astronomy and Astrophysics, vol. 75, no. 3, June 1979, p. 322-325. Research supported by the Consiglio Nazionale delle Ricerche

Astronomy and Astrophysics

Astrophysics

57

Background Radiation, Extragalactic Radio Sources, Galactic Clusters, Microwave Emission, X Ray Sources, Astrometry, Data Acquisition, Hubble Diagram

Scientific paper

It is shown that combined measurements of the X-ray flux and of the microwave brightness diminution associated with clusters of galaxies could constitute a means for making an absolute determination of distances and, in particular, of the Hubble constant. The bounds, approximately 50 and 100 km/s per Mpc, are consistent with the existing, still incomplete, but rapidly growing body of data.

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