标题： EVN 观测的候选紧凑对称物体 显示英文标题

标题： EVN observations of candidate Compact Symmetric Objects

摘要： 我们展示了使用欧洲甚长基线干涉测量网（EVN）观测的十个紧凑对称物体（CSO）候选者的皮秒尺度图像。 五个射电源在1.6 GHz频率下进行了观测，另外五个在2.3/8.4 GHz频率下进行了观测，后一个子样本包括了三个通常用于大地测量的天线。 这些物体是从现有的吉赫兹峰值谱（GPS）射电源样本中选出的，目的是为了找到和/或确认CSO分类。 这些新的VLBI观测使我们能够确认两个CSO候选者的分类，并发现了一些新的候选者。 我们的发现加强了GPS射电星系与CSO形态之间的关联，这一结果表明通过VLBI观测显示凸形射电谱的紧凑射电源可以有效地增加已知CSO的数量。 显示英文摘要

摘要： We present pc-scale images of ten Compact Symmetric Objects (CSO) candidates observed with the European VLBI network (EVN). Five radio sources have been observed at 1.6 GHz, and five more at 2.3/8.4 GHz, the latter subsample with the inclusion in the VLBI array of 3 antennae normally used for geodesy. These objects were selected from existing samples of GHz Peaked Spectrum (GPS) radio sources with the purpose to find and/or confirm the CSO classification. These new VLBI observations allow us to confirm the classification of two CSO candidates, and to find a few new ones. The association of GPS radio galaxies with a CSO morphology is strengthened by our findings, and this result suggests an efficient way to increase the number of known CSOs by means of VLBI observations of compact radio galaxies showing a convex radio spectrum.