A Westerbork survey of Einstein X-ray Observatory deep survey areas. I - The 0.6 and 1.4 GHz catalogues, source counts and spectral index distributions

Details A Westerbork survey of Einstein X-ray Observatory deep survey areas. I - The 0.6 and 1.4 GHz catalogues, source counts and spectral index distributions A Westerbork survey of Einstein X-ray Observatory deep survey areas. I - The 0.6 and 1.4 GHz catalogues, source counts and spectral index distributions

Sep 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985a%26as...61..517k&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 61, Sept. 1985, p. 517-535. Research supported by the Sticht

Astronomy and Astrophysics

Astronomy

15

Astronomical Catalogs, Radio Astronomy, Radio Sources (Astronomy), Spectral Energy Distribution, X Ray Sources, Astronomical Observatories, Calibrating, Cosmology, Data Reduction, Heao 2, Luminous Intensity

Scientific paper

We present the results of a radio survey with the Westerbork SRT at 608.5 and 1412 MHz of four deep survey areas from the original Einstein X-ray Observatory program. A catalogue is described which contains 688 sources. Of these, 451 form a complete sample at 608.5 MHz, over an area of ˜ 28.5 square degrees and down to ˜ 9 mJy, while 369 form a complete sample at 1412 MHz over an area of ˜ 8.5 square degrees and down to ˜1.3 mJy. Both at 608.5 and 1412 MHz we have derived radio source counts, which compare very well with earlier determinations obtained from WSRT surveys at these frequencies. In particular, the present 1412 MHz data provide valuable statistical weight in the flux density range where the differential radio source count becomes steeper again (viz. between a few and ˜20 mJy). The spectral index distributions of the brighter sources at 1412 MHz are discussed. Of the three areas (˜2 sq. degrees each) one considerably flatter spectra than the other two areas (Δα ˜ 0.15). However, the significance of this result is only 1.5 to 2.0 σ due to the relatively small number of sources involved.

Affiliated with

Also associated with

No associations

Rating

A Westerbork survey of Einstein X-ray Observatory deep survey areas. I - The 0.6 and 1.4 GHz catalogues, source counts and spectral index distributions does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A Westerbork survey of Einstein X-ray Observatory deep survey areas. I - The 0.6 and 1.4 GHz catalogues, source counts and spectral index distributions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A Westerbork survey of Einstein X-ray Observatory deep survey areas. I - The 0.6 and 1.4 GHz catalogues, source counts and spectral index distributions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-798229