Cambridge, United Kingdom
18.000 x 24.000 x 2.000 inches
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Ngc 1365. Barred Spiral Galaxy With Relativistic Jet
Painting - Oil On Canvas
this is an original oil painting on canvas made impromptu during the solo exhibition Myth of Faraway Winds, Atessa (Abruzzo, Italy) August 17-27 2012.
It was inspired by the finding of high-energy γ rays from Narrow-Line Seyfert 1 Galaxies (γ-NLS1s), that would confirm the presence of powerful relativistic jets in this class of active galactic nuclei (AGN). See Luigi Foschini, Astronomic Observatory of Brera, 2012. The painting, made "impromptu" and with no tools to paint during my exhibition, represents the spiral barred galaxy NG5 1365 in the costellation Fornax with its relativistic jet (lower right corner).
Relativistic jets are extremely powerful jets of plasma which emerge from supermassive active nuclei at the center of galaxies, of from massive objects. They seem to be caused by a black hole that is so engorged from matter falling into it from the accretion disk and thus streams of matter are emitted along its axis of rotation. Relativistic jets can also be observed in neutron stars. The adjective "relativistic" simply means that the light coloring tends to shift and change.
The slighly red coloring in the jet I painted is my impression of a doppler effect. The viewer of this painting is thus in a relative approaching position with respect to the galaxy.
The lenght of relativistic jets can reach several thousand light years. The elliptical galaxy M87, also known as Virgo A, has probably the most spectacular jet.
A video showing the realization of this painting can be seen here: http://www.youtube.com/watch?v=OodBsmpjhQs
August 22nd, 2012
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