Astrophysics (index)

ALFALFA

(The Arecibo Legacy Fast ALFA Survey)
(HI survey of many galaxies)

ALFALFA (The Arecibo Legacy Fast ALFA Survey) is a Survey if HI Emission Lines from thirty thousand galaxies and other extra-galactic sources, out to a Redshift of 0.06. The survey began 2005 using Arecibo Observatory's ALFA 1.4GHz detector, and has been active at least into 2015.


(survey,galaxies,HI)
http://en.wikipedia.org/wiki/ALFALFA
http://egg.astro.cornell.edu/
WaveLFreqPhoton
Energy
  
214mm1.4GHz5.8ueVALFALFA
RedshiftParsecs
/Distance
Lightyears
/Lookback Years
  
00pc0lynearestALFALFA
.06249Mpc813MlyfurthestALFALFA

Referenced by:
Astronomical Survey

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