The 1400-MHz luminosity function for Abell clusters of galaxies

Details The 1400-MHz luminosity function for Abell clusters of galaxies The 1400-MHz luminosity function for Abell clusters of galaxies

Feb 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975apj...195..593o&link_type=abstract

Astrophysical Journal, vol. 195, Feb. 1, 1975, pt. 1, p. 593-603.

Astronomy and Astrophysics

Astronomy

35

Galactic Clusters, Luminous Intensity, Microwave Emission, Radiant Flux Density, Radio Astronomy, Astronomical Models, Luminosity, Normal Density Functions, Optical Properties, Statistical Correlation, Tables (Data)

Scientific paper

New observations have been used to derive the radio luminosity function of Abell clusters of galaxies at 1400 MHz. A relatively narrow, approximately Gaussian luminosity function is found. Correlations of detection probability with optical properties are examined. No strong correlation with cluster richness is found; however, a correlation of detection above a constant absolute luminosity with distance is detected. A correlation with Rood and Sastry cluster type is also found. The mutual relation of these correlations is discussed. The relation of the cluster luminosity function to field galaxies detections and previously derived radio luminosity functions is examined. The observations are found to agree well with the predicted shape and peak luminosity of a multiple source emission model of the cluster luminosity function; however, the amplitude of the model function is higher than the observed function by a factor of 3. The possible significance of the multiple source emission model is briefly discussed.

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