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Fragmented and twisted Jets | |||||
Source
Chandra
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It's interesting to make some comparisons between the jets, and especially
on certain documents concerning them. To begin let us see jets which present
curvatures, even breaks of their trajectories: The first case is that of the jets stemming from some pulsars : 3C 58 and the Crab Pulsar are good examples. About these objects, we can consult: The Snag of the Crab. Effect of Refringence in the Crab. A Wandering Snag in the Crab. Crab Critics and retorts. |
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The picture of J0617 in IC443 made by Chandra. | ||||
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J0617 (after DP). We can note that the jet of J0617 is
not a continuous jet. It appears as successive blobs. Let us note that the jet is bent and also literally "broken" in certain places. Note the presence of two or maybe three objects connected by a cloud of gas (in blue). |
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Is the mechanism of creation of the jets well understood ? The Cluster Experiment reveals us what happens in the electromagnetic interactions between the Sun and the Earth. |
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Source:
Fabrice Mottaz![]() |
And what shows us Dr. Fabrice Mottez (Paris-Meudon Observatory) is quite
fundamental. An animation is available in the MPEG format (Windows Media Player). We do not know the speed reached by the accelerated particles. Would they be relativist in certain cases? It seems that yes. If it is about a jet which appears in this way "periodically", far away "would we see" successive blobs? Notice that Mr. Fabrice Mottaz, voluntarily or involuntarily, shows us a jet deviated from the straight line, but not the propagation axis of the of the solar wind particles. |
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3C 279,
(Nature)![]() |
A document published on 02/18/2010 in NATURE Vol 463 by Andy Young,
describes us the jet stemming from the blazar 3C 279. (Let
us note that it is an artist image) Strange thing, this jet would be bent under the influence of the magnetic field of a "Blob" (gas bubble). The nature and the properties of this Blob and of this jet leave us perplexed. It is the least that we can say We shall see later that an other explanation is possible. |
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Here is, opposite, a document published on May 25th, 2010
in the "Hubble
Site" The associated publication is dated 05/12/2010 : Science Paper by: D. Batcheldor et al. 2010 (Document PDF) (Let us note that the original photography was made by the HST in February 1998) It appears that the "central black hole" of this galaxy is off-centre with regard to the centre of the galaxy. |
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An object which the authors of the publication called "HST-1",
situated in approximately 200 light years of the Black Hole ( BH),
seems to be at the origin of this gap.
The mass of HST-1 isn't
insignificant..
So it's a second Black Hole. |
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M 87 (VLT)![]() |
This photography was made by the VLT during the night from 25 till 26 May 1998 and was published on Internet on May 27th, 1998. It's a "First Light". | ||||
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Two months later, and after a lot of trial and error, we obtained by
digital computing, the image opposite. And then we noticed that the jet does not originate near the core, but it arises from a tore (plasma?).It neither arise from an accretion disc. In this image it doesn't appear an opposite jet. We can also observe that the jet is deviated from the straight line by a very curious object which we can without too much hesitation considered as HST-1, which would have apparently a magnetic field. To remember that the jet of M 87 would have a real speed of the order of 0,6c. (Source John Biretta) Even if there are some relativist effects, in this speed it should not prevent the detection of an opposite jet in a different wavelength (Red shifted IR or Radio?). In our knowledge it was never the case for M 87. Remarks:
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A short time later, by increasing the digital processing, we obtained
the image opposite. The tore disappeared, but the accretion disc is now visible around the central black hole. (Let us note it hasn't the idealized look which is generally proposed in the models). A third object, that we shall name VLT-2 appeared. If VLT-2 is in gravitational interaction with both the first ones, maybe we could estimate the relative masses of these three objects, if obviously we know the angular value of the plan of projection under which we see them. Notice that VLT-2 seems to move towards a close region of the "central black hole" leaving a streak behind him. Could this region be the centre of gravity of the three objects? If VLT-2 moves, where is it today (04/07/2010) ? |
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Then here are three successive DP of the central region of M 87.![]() ![]() ![]() |
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Now we see what seems to be the disc of accretion. It presents a
structure with three arms making angles about 120°, suggesting
gravitational resonances, even gravito-acoustic. Let us note that it
would seem that the accretion of matter, towards the black hole, is
made, in its final phase, according to a polar axis. The disc of
accretion, in the plan of the tore, stays far from the black hole. The disc of accretion and the tore of plasma distinguish themselves clearly one of the other one. The tore and the jet always stay in the same plan. |
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M 87 (Chandra)![]() |
For comparison here is what shows us Chandra, a structure in three arms appears, there also, in the centre of M 87. | ||||
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This plan, opposite, represents the structure of the core of M 87 such
as it appears to us now. The accretion disc (orange) seems to be pushed away by a wind of particles (black arrows) in the equatorial plan defined by the tore of plasma (blue). The accretion can thus be made only along the polar axis (also defined by the plan of the tore). The Jet has enough energy to build up to itself a passage through the disc of accrétion. It is then subjected to the magnetic field of the second object and thus diverted according to the angular value of the magnetic axis of this last one (green arrow). It is then only that it is accelerated in "relativistic speed". If the jet is not relativist when emerging from the tore, the opposite jet if exist, would in neither case be relativist, and we would discover it without any particular difficulty on the other side of the tore. The disc of accretion seems to be pushed away by a wind of particles (black arrows) in the equatorial plan defined by the tore of plasma. The accretion can thus be made only by the polar axis (defined with regard to the plan of the tore). |
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Conclusions |
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Documents |
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