SIMBAD references

2000ApJ...534...90P - Astrophys. J., 534, 90-103 (2000/May-1)

The COINS sample: VLBA identifications of compact symmetric objects.


Abstract (from CDS):

We present results of multifrequency polarimetric VLBA observations of 34 compact radio sources. The observations are part of a large survey undertaken to identify compact symmetric objects (CSOs) observed in the northern sky (COINS). CSOs are of particular interest in the study of the physics and evolution of active galaxies. Based on VLBI continuum surveys of ∼2000 compact radio sources, we have defined a sample of 52 CSOs and CSO candidates. In this paper we identify 18 previously known CSOs, and introduce 33 new CSO candidates. We present continuum images at several frequencies and, where possible, images of the polarized flux density and spectral index distributions for the 33 new candidates and one previously known but unconfirmed source. We find evidence to support the inclusion of 10 of these candidates into the class of CSOs. Thirteen candidates, including the previously unconfirmed source, have been ruled out. Eleven sources require further investigation. The addition of the 10 new confirmed CSOs increases the size of this class of objects by 50%.

Abstract Copyright:

Journal keyword(s): Galaxies: Active - Galaxies: Quasars: General - Radio Continuum: Galaxies - Surveys

Nomenclature: Table 1: [PT2000] JHHMM+DDMM N=52. Tables 3, 5: [PT2000] JHHMM+DDMMA N=62+32.

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 52

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