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Probing gaseous halos of galaxies with radio jets
(2019-07-09)
Context. Gaseous halos play a key role in understanding inflow, feedback, and the overall baryon budget in galaxies. Literature models predict transitions of the state of the gaseous halo between cold and hot accretion, ...
Variability and Proper Motion of X-ray Knots in the Jet of Centaurus A
(2019-02-05)
We report results from Chandra observations analyzed for evidence of variability and proper motion in the X-ray jet of Centaurus A. Using data spanning 15 yr, collective proper motion of 11.3 ± 3.3 mas yr -1 , or 0.68 ± ...
How frequent are close supermassive binary black holes in powerful jet sources?
(2019-01-01)
Supermassive black hole binariesmay be detectable by an upcoming suite of gravitationalwave experiments. Their binary nature can also be revealed by radio jets via a short-period precession driven by the orbital motion as ...