Astrophysics (index)

Lyman-Alpha Emitter

(LAE, Lyman-Alpha Emitting Galaxy)
(redshifted galaxy emitting the Lyman alpha line)

A Lyman-Alpha Emitter (LAE or Lyman-Alpha Emitting Galaxy) is a Galaxy detected via the apparently-Redshifted (z) Lyman Alpha (Ly-α), the first Spectral Line of the Lyman Series. Given the confidence that the observed line is Lyman alpha, the redshift is:

           λ
1 + z = ————————
        1215.67Å

The prominent Lyman-alpha line is assumed to be evidence of star formation. Surveys of such galaxies reveal the Star Formation (SF) history of the universe.


(galaxy type,Lyman Series,star formation,redshift)
http://en.wikipedia.org/wiki/Lyman-alpha_emitter
PrefixExampleSurvey/Catalog 
LAELAE J095950.99+021219.1Lyman-Alpha Emittergeneral prefix for LAEs

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