VLBI observations of 416 extragalactic radio sources

Details VLBI observations of 416 extragalactic radio sources VLBI observations of 416 extragalactic radio sources

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986tdapr..85.....m&link_type=abstract

In its The Telecommunications and Data Acquisition Report 16 p (SEE N86-28275 19-32)

Computer Science

Celestial Reference Systems, Deep Space Network, Extragalactic Radio Sources, Very Long Base Interferometry, Data Acquisition, Flux Density, Tables (Data)

Scientific paper

The Deep Space Network is establishing a high-accuracy Very Long Base Interferometry (VLBI) celestial reference frame. Presented are the VLBI results of observations of 416 radio sources with declination north of -45 degrees which were conducted at frequencies of 2.3 GHz and 8.4 GHz. At 2.3 GHz 323 of 391 radio sources observed were detected with a fringe spacing of 3 milliarcsec and a detection limit of approximately 0.1 Jy. At 8.4 GHz, 278 of 416 radio sources were detected with a fringe spacing of 1 milliarcsec and a detection limit of approximately 0.1 Jy. This survey was conducted primarily to determine the strength of compact components at 8.4 GHz for radio sources previously detected with VLBI at 2.3 GHz. Compact extragalactic radio sources with strong correlated flux densities at both frequencies are used to form a high-accuracy reference frame.

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