blazar

noun — 2 senses

blazar

noun

US /ˈbleɪ.zɑɹ/

Etymology Blend of B + L + Lac + quasar. Coined by astronomer Edward Spiegel in 1978 from BL Lac object and quasar, punning blazing from its optical presentation compared to usual quasars. By surface analysis, blaze + -ar.

1

Astronomy, Natural sciences A very compact quasar, associated with a supermassive black hole at the center of an active galaxy.

2

Astronomy, Natural sciences An object which is either an optically violent variable quasar (OVV quasar) or a BL Lac object or which has properties of both.

Related terms
blazer
Hypernyms
active galaxy, AGN, quasar

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.