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Statistical Study on Large Samples of Radio Sources

Published online by Cambridge University Press:  26 May 2016

X.Z. Zhang ,
B. Peng  and
P.C. Chen
X.Z. Zhang
Affiliation:
1 Beijing Astronomical Observatory, CAS, Beijing 100012, China 2 National Astronomical Observatories, CAS, Beijing 100012, China
B. Peng
Affiliation:
1 Beijing Astronomical Observatory, CAS, Beijing 100012, China 2 National Astronomical Observatories, CAS, Beijing 100012, China
P.C. Chen
Affiliation:
2 National Astronomical Observatories, CAS, Beijing 100012, China 3 Astrophysical Center, University of Science and Technology of China, Hefei, Anhui, 230026, China

Abstract

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We present some statistical results on a large sample of radio sources selected from the most important catalogs. Instrument selection effects on this sample are discussed for the first time. Our analysis suggests that the slope of the median spectral index becomes flatter with decreasing flux density. But the slope is rather small.

Type
Part 4: Extragalactic Radio Sources
Information
Symposium - International Astronomical Union , Volume 199: The Universe at Low Radio Frequencies , 2002 , pp. 207 - 208
Copyright
Copyright © Astronomical Society of the Pacific 2002 

References

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