Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979afz....15...51p&link_type=abstract
(Astrofizika, vol. 15, Jan.-Mar. 1979, p. 51-57.) Astrophysics, vol. 15, no. 1, July 1979, p. 36-40. Translation.
Astronomy and Astrophysics
Astrophysics
4
Explosions, Galactic Evolution, Galactic Nuclei, Astronomical Photography, Radial Velocity
Scientific paper
The radial velocities of the gas near the nucleus of NGC 1275 obtained and published by the Burbidges (1965) make it possible to identify in the central part of the main galaxy two systems of gas filaments or jets which indicate that two separate explosions occurred in the past in the nucleus of NGC 1275. The systems of filaments differ in the sizes of the regions they occupy, in the expansion velocity of the filaments, in the directionality of the explosion, and in the radial velocity of the gas formation (the exploding body) at the time of its expansion. The difference in the radial velocities of the kinematic centers of the systems of filaments is 140 + or - 20 km/sec. It is assumed that the systems of filaments were formed by the explosions of two bodies whose radial velocities at the times of the explosions differed by 140 km/sec. Evidence is presented for the occurrence in the past of one further explosion in NGC 1275 outside the nucleus at 20 arcsec from the nucleus (the position angle of the center of the explosion is approximately 60 deg).
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