SIMBAD references

2019MNRAS.485...88P - Mon. Not. R. Astron. Soc., 485, 88-101 (2019/May-1)

The Second LBA Calibrator Survey of southern compact extragalactic radio sources - LCS2.

PETROV L., DE WITT A., SADLER E.M., PHILLIPS C. and HORIUCHI S.

Abstract (from CDS):

We present the second catalogue of accurate positions and correlated flux densities for 1100 compact extragalactic radio sources that were not observed before 2008 at high angular resolution. The catalogue spans the declination range [ -90°, -30°] and was constructed from 19 24-h VLBI observing sessions with the Australian Long Baseline Array at 8.3 GHz. The catalogue presents the final part of the program that was started in 2008. The goals of that campaign were (1) to extend the number of compact radio sources with precise coordinates and measure their correlated flux densities, which can be used for phase referencing very long baseline interferometry (VLBI) and Atacama Large Millimeter/submillimeter Array (ALMA) observations, geodetic VLBI, search for sources with significant offsets with respect to Gaia positions, and space navigation; (2) to extend the complete flux-limited sample of compact extragalactic sources to the Southern hemisphere; and (3) to investigate the parsec-scale properties of sources from the high-frequency AT20G survey. The median uncertainty of the source positions is 3.5 mas. As a result of this VLBI campaign, the number of compact radio sources south of declination -40° that have measured VLBI-correlated flux densities and positions known to milliarcsecond accuracy has increased by over a factor of 6.

Abstract Copyright: © 2019 The Author(s) Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): instrumentation: interferometers - catalogues - surveys - astrometry

VizieR on-line data: <Available at CDS (J/MNRAS/485/88): table3.dat table4.dat>

Nomenclature: Table 4: LCS2 JHHMM+DDMM N=1100.

Simbad objects: 1101

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