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Browsing by Author "Kharb, P."
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Chandra evidence for AGN feedback in the spiral galaxy NGC 6764
Croston, J.H.; Hardcastle, M.J.; Kharb, P.; Kraft, R.P.; Hota, A. (2008) -
Markarian 6 : shocking the environment of an intermediate Seyfert
Mingo, B.; Hardcastle, M.J.; Croston, J.H.; Evans, D.A.; Hota, A.; Kharb, P.; Kraft, R.P. (2011)Markarian 6 is a nearby (D ~ 78 Mpc) Seyfert 1.5, early-type galaxy, with a double set of radio bubbles. The outer set spans similar to 7.5 kpc and is expanding into the halo regions of the host galaxy. We present an ... -
Parsec-scale imaging of the radio-bubble Seyfert galaxy NGC 6764
Kharb, P.; Hota, A.; Croston, J.H.; Hardcastle, M.J.; O'Dea, C.P.; Kraft, R.P.; Axon, D.J.; Robinson, A. (2010)We have observed the composite active galactic nucleus (AGN)-starburst galaxy NGC 6764 with the Very Long Baseline Array at 1.6 and 4.9 GHz. These observations have detected a "core-jet" structure and a possible weak ... -
Shocks, seyferts, and the supernova remnant connection : A chandra observation of the circinus galaxy
Mingo, B.; Hardcastle, M.J.; Croston, J.H.; Evans, D.A.; Kraft, R.P.; Kharb, P.; Lenc, E. (2012-10-20)We analyze new Chandra observations of the nearest (D = 4 Mpc) Seyfert 2 active galaxy, Circinus, and match them to pre-existing radio, infrared, and optical data to study the kpc-scale emission. The proximity of Circinus ... -
Spectropolarimetric evidence for a kicked supermassive black hole in the quasar E1821+643
Robinson, A.; Young, S.; Axon, D.J.; Kharb, P.; Smith, J.E. (2010)We report spectropolarimetric observations of the quasar E1821+643 (z = 0.297), which suggest that it may be an example of gravitational recoil due to anisotropic emission of gravitational waves following the merger of a ... -
Spitzer MID-IR spectroscopy of powerful 2Jy and 3CRR radio galaxies. II : Agn power indicators and unification
Dicken, D.; Tadhunter, C.; Morganti, R.; Robinson, A.; Magagnoli, M.; Kharb, P.; Ramos Almeida, C.; Mingo, B.; Hardcastle, M.J.; Nesvadba, N. P. H.; Singh, V.; Kouwenhoven, M. B. N.; Rose, M.; Spoon, H.; Inskip, K. J.; Holt, J. (2014-06-20)It remains uncertain which continuum and emission line diagnostics best indicate the bolometric powers of active galactic nuclei (AGNs), especially given the attenuation caused by the circumnuclear material and the possible ... -
Very Large Baseline Array observations of Mrk 6 : probing the jet-lobe connection
Kharb, P.; O'Dea, C.P.; Baum, S.A.; Hardcastle, M.J.; Dicken, D.; Croston, J. H.; Mingo, B.; Noel-Storr, J. (2014-06-01)We present the results of high-resolution VLBI (very long baseline interferometry) observations at 1.6 and 4.9 GHz of the radio-loud Seyfert galaxy, Mrk 6. These observations are able to detect a compact radio core in this ...