ALFALFA
(The Arecibo Legacy Fast ALFA Survey)
(HI survey of many galaxies)
ALFALFA (The Arecibo Legacy Fast ALFA Survey)
was a survey if HI emission lines from
thirty thousand galaxies and other extragalactic sources,
out to a redshift of 0.06. Survey data was collected 2005-2011
using Arecibo Observatory's ALFA 1.4 GHz detector.
(survey,galaxies,HI,past)
Further reading:
https://en.wikipedia.org/wiki/ALFALFA
http://egg.astro.cornell.edu/
https://ui.adsabs.harvard.edu/abs/2018ApJ...861...49H/abstract
https://ui.adsabs.harvard.edu/abs/2007NCimB.122.1109H/abstract
https://arxiv.org/abs/0802.1641
| WaveL | Freq | Photon
Energy | | |
| 214mm | 1.4GHz | 5.8μeV | | ALFALFA |
|
| Redshift | Parsecs
/Distance | Lightyears
/Lookback Years | | |
| 0 | 0pc | 0ly | nearest | ALFALFA |
| .06 | 249Mpc | 814Mly | furthest | ALFALFA |
|
Referenced by page:
Arecibo General Catalog (AGC)
Index