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- W2085418681 endingPage "88" @default.
- W2085418681 startingPage "88" @default.
- W2085418681 abstract "We present deep GALEX images of NGC 5128, the parent galaxy of Centaurus A. We detect a striking weather ribbon of Far-UV and H$alpha$ emission, which extends more than 35 kpc northeast of the galaxy. The ribbon is associated with a knotty ridge of radio/X-ray emission, and is an extension of the previously known string of optical emission-line filaments. Many phenomena in the region are too short-lived to have survived transit out from the inner galaxy; something must be driving them locally. We also detect Far-UV emission from the galaxy's central dust lane. Combining this with previous radio and Far-IR measurements, we infer an active starburst in the central galaxy, which is currently forming stars at $sim 2 M_{sun}$yr$^{-1}$, and has been doing so for 50-100Myr. If the wind from this starburst is enhanced by energy and mass driven out from the AGN, the powerful augmented wind can be the driver needed for the northern weather system. We argue that both the diverse weather system, and the enhanced radio emission in the same region, result from the wind's encounter with cool gas left by one of the recent merger/encounter events in the history of NGC 5128." @default.
- W2085418681 created "2016-06-24" @default.
- W2085418681 creator A5003327640 @default.
- W2085418681 creator A5078199447 @default.
- W2085418681 creator A5091055123 @default.
- W2085418681 date "2015-03-27" @default.
- W2085418681 modified "2023-10-13" @default.
- W2085418681 title "THE COMPLEX NORTH TRANSITION REGION OF CENTAURUS A: A GALACTIC WIND" @default.
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