Wednesday, October 10, 2012

The first image a distant galaxy nucleus

Scientists working with the Russian radio telescope "Spektr-R" ("Radioastron"), published the first image of the nucleus of the galaxy 714 0716, made ​​the device.

The photograph was taken in March 2012, during a joint operation "Spektr-R" with the European Network VLBI. "Shooting" lasted about 24 hours. In this framework the resulting interferometer ranged from 20 to 7 the earth's diameter, which resulted in high resolution.

Among other things, the observations were the subject 0716 714 at a wavelength of 6.2 cm. This object - galaxy, which lies 3.5 billion light-years from Earth and belongs to the small class of BL Lac objects. The diameter of its nucleus, which could see, is 0.7 light-years. It is noteworthy that the photo is clearly visible relativistic jets of matter, which rises from the active nucleus.

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