Compact symmetric objects and supermassive binary black holes in the VLBA Imaging and Polarimetry Survey

被引：50

作者：

Tremblay, S. E. ^{[1
,2
,3
]}

Taylor, G. B. ^{[1
,4
]}

Ortiz, A. A. ^{[1
]}

Tremblay, C. D.

Helmboldt, J. F. ^{[5
]}

Romani, R. W. ^{[6
]}

机构：

[1] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA

[2] Curtin Univ, ICRAR, Bentley, WA 6102, Australia

[3] ARC Ctr Excellence All Sky Astrophys CAASTRO, Sydney, NSW, Australia

[4] Natl Radio Astron Observ, Socorro, NM 87801 USA

[5] Naval Res Lab, Code 7213, Washington, DC 20375 USA

[6] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2016年 / 459卷 / 01期

基金：

美国国家航空航天局; 澳大利亚研究理事会;

关键词：

galaxies: active; galaxies: evolution; galaxies: jets; galaxies: nuclei; radio continuum: galaxies; ACTIVE GALACTIC NUCLEI; STEEP-SPECTRUM SOURCES; ALL-SKY SURVEY; RADIO-SOURCES; DATA RELEASE; OPTICAL SPECTROSCOPY; RELATIVISTIC JETS; VLA OBSERVATIONS; COMPLETE SAMPLE; CORALZ SAMPLE;

D O I：

10.1093/mnras/stw592

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present multifrequency Very Long Baseline Array (VLBA) follow-up observations of VLBA Imaging and Polarimetry Survey sources identified as likely compact symmetric objects (CSOs) or supermassive binary black holes (SBBHs). We also present new spectroscopic redshifts for 11 sources observed with the Hobby-Eberly Telescope. While no new SBBHs can be confirmed from these observations, we have identified 24 CSOs in the sample, 15 of which are newly designated, and refuted 52 candidates leaving 33 unconfirmed candidates. This is the first large uniform sample of CSOs which can be used to elicit some of the general properties of these sources, including morphological evolution and environmental interaction. We have detected polarized emission from two of these CSOs the properties of which are consistent with active galactic nuclei unification schemes.

引用

页码：820 / 840

页数：21

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