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Geometry of jets, e.g. Pictor A
Object e.g.
http://chandra.harvard.edu/photo/2016/pictora/ Is there an example of an active galaxy with extended million light year long radio and or xray jets such as Pictor A, where the Hot Spot is within the larger lobes rather than protruding to one side as is the case in Pictor A? ie, if the jet is coming right at us, then the hot spot ought to be close to centered within the lobe on our side of the BH emitting the jets. Has anyone written a paper where they studied the position of the hot spot(s) within the larger lobes to estimate the orientation of the jets relative to our line of sight? Thanks, rt |
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Geometry of jets, e.g. Pictor A
On Friday, January 20, 2017 at 8:43:18 AM UTC-8, Martin Brown wrote:
3C303 would appear to be a good FRII candidate for this. Thanks. 3C303 is a really interesting galaxy / radio lobes. Do you know of a time sequence for that one? See the radio hot spot to the left of the image? It's right on a line toward the well established hot spot to the right, but, it's totally disconnected. It looks like it could be a separate galaxy or object it is so disconnected. But it also could be a hot spot that is just beginning to form. If the latter, I'd expect an evolution in luminosity............of course it's so far from the core of the galaxy if that's what it is, that evolution would be over really long time scales (most likely). Still, interesting to look for faint connections to the central black hole on that one. 3C84 aka Perseus A NGC 1275 might just about fit that tag. It is confusing though - originally first thought to be a Seyfert galaxy. It looks to me like a galaxy where the radio jets have turned off and the radio is fading away. Does this idea fit? Thanks, rt |
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