Evidence for a radio flare in the nucleus of Virgo A

Details Evidence for a radio flare in the nucleus of Virgo A Evidence for a radio flare in the nucleus of Virgo A

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95.1037m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 95, April 1988, p. 1037-1039.

Astronomy and Astrophysics

Astronomy

10

Galactic Nuclei, Radio Emission, Radio Jets (Astronomy), Very Long Base Interferometry, X Ray Sources, Bandwidth, Calibrating

Scientific paper

An increase in radio emission has been observed in the nucleus of the galaxy Virgo A by use of VLBI measurements. These 2.29 GHz observations show that the correlated flux density of the milliarcsecond structure increased by 30% during a four month period in 1977, and eventually returned to the preflare level of ≡0.6 Jy. Previous evidence had indicated that the nuclear radio emission was stable, a surprising result for an active galactic nucleus.

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