Astrophysics (index)

Extragalactic Background Light

(EBL)
(electromagnetic radiation from star formation and AGNs)

The term Extragalactic Background Light (EBL) typically refers to Cosmic Background Radiation (CBR) over a range of Wavelengths including Visible Light (the Cosmic Optical Background (COB)) and more on each end: typically 0.1 and 1000um, spanning a range from the Cosmic Microwave Background (CMB) into Ultraviolet (UV).

EBL is difficult to measure because of galactic sources of Flux.


(EMR,background,CBR)
http://en.wikipedia.org/wiki/Extragalactic_background_light
WaveLFreqPhoton
Energy
  
0.1um3.0PHz12eVbeginExtragalactic Background Light
1000um300GHz1.3meVendExtragalactic Background Light

Referenced by:
Cosmic Background Radiation (CBR)

index