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BL Lacertae object
(redirected from BL Lac object)

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BL Lacertae object

Object with a prodigious energy output that forms the centre of a distant galaxy. BL Lac objects, as they are called, seem to be related to quasars. They are so named because the first to be discovered lies in the small constellation Lacerta.



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The intensity of gamma radiation from each source -- quasar relatives called BL Lac objects -- represents 10 trillion times the output of the sun at all wavelengths.
Spying new quasar class, peering at M32 by Cowen, Ron / Science News
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