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BL Lacertae objects |
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BL Lacertae objects [¦bē¦el lə′ser·tē ‚äb·jiks]
(astronomy) A class of extragalactic sources of extremely intense, highly variable electromagnetic radiation which are related to quasars but have a featureless optical spectrum, and display strong optical polarization and a radio spectrum that increases in intensity at shorter wavelengths. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | Weekes notes that the gamma radiation generated by Markarian 421 probably comes from the edges of a jet believed to emanate from a quasar-like entity, called a BL Lac object, at the galaxy's center. 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. |
BL Lac object |
BKVA BKVN BKVP BKVR BKVTF Bkw BKWD BkWh BKWK BKWPL BKWSO BKWSU BKWU BKX BKY BKYC BKYD BKYF BKYP BKYSL BKYY BKZ BL BL BL BL BL Herculis stars BL Lac object BL Lac objectsBL Lacertae object BL Lacertae objects BL Lacertae objects BL&A BL&CMS BL&IS BL&ISc BL&MS BL&P BL&Sc BL&SocSc BL&T bl. bl. bl. bl. bl. Bl. Albertus Magnus Bl. Albertus Magnus bl.a Bl.uk BL/H BL/L BL/NB BL/s BL/ST BL1 BL2 BL3 | |||||||
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