Perseus A

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Perseus A

See Perseus cluster.

Perseus A

[′pər·sē·əs ′ā]
(astronomy)
A strong radio source, having a redshift z = 0.018 and centered on the Seyfert galaxy NGC 1275, that undergoes extremely violent outbursts.
References in periodicals archive ?
Bonning and Shields propose that this galaxy, NGC 1275, is the product of a merger of two galaxies whose black holes were each about 10 billion times the mass of the sun.
Above 100 GeV, NGC 1275 becomes undetectable by Fermi, while the new source, the radio galaxy IC 310, shines brightly.
NASA's Fermi Gamma-ray Space Telescope sees NGC 1275, the core member of the Perseus cluster of galaxies, as a source of high-energy gamma rays, but the earlier Compton mission did not.
The Hubble images suggest that cluster birth may be a consequence of the merger process, says Holtzman, who has conducted similar research on the elliptical galaxy NGC 1275 (SN: 1/25/92, p.
Ten times larger and thousands of times more luminous than the elderly, densely star-packed regions that surround our Milky Way, bigger and brighter than the young, giant clusters that Hubble found in the elliptical galaxy NGC 1275 (SN: 4/6/91, p.
But a new Hubble image reveals that 50 globular clusters in NGC 1275 radiate intense blue light, a signature of recent starbirth.