Compact symmetric objects—newborn radio galaxies?

@inproceedings{Conway2002CompactSO,
  title={Compact symmetric objects—newborn radio galaxies?},
  author={John Edward Conway},
  year={2002}
}
We review the question of the age of Compact Symmetric Objects (CSOs); defined as lobe-dominated sources smaller than 1 kpc in overall size. We show that the evidence increasingly points to these objects being very young (<104 yr old). Evidence from spectral aging, energy supply arguments and, most convincingly, from long term VLBI kinematic studies, is all consistent with the ‘youth’ scenario for CSOs. From VLBI kinematic studies hotspot advance speeds in CSOs are found to be 0.1 to 0.3c and… CONTINUE READING

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