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gptkbp:instanceOf
|
gptkb:astronomer
|
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gptkbp:affiliatedWith
|
gptkb:Cornell_University
|
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gptkbp:availableOn
|
publicly available
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gptkbp:coversSkyArea
|
7000 square degrees
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|
gptkbp:detectedGalaxies
|
over 30,000
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|
gptkbp:endDate
|
2012
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gptkbp:focusesOn
|
extragalactic neutral hydrogen (HI)
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gptkbp:fullName
|
gptkb:Arecibo_Legacy_Fast_ALFA_Survey
|
|
gptkbp:goal
|
map HI in the local universe
|
|
gptkbp:heldBy
|
gptkb:Arecibo_Observatory
|
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gptkbp:instrument
|
ALFA (Arecibo L-band Feed Array)
|
|
gptkbp:notableAchievement
|
discovery of dark galaxies
study of galaxy environment effects
|
|
gptkbp:observedBy
|
galaxies
dwarf galaxies
HI clouds
tidal features
|
|
gptkbp:principalInvestigator
|
gptkb:Martha_Haynes
|
|
gptkbp:releaseDate
|
gptkb:ALFALFA_100%_catalog
gptkb:ALFALFA_40%_catalog
|
|
gptkbp:startYear
|
2005
|
|
gptkbp:type
|
blind HI survey
|
|
gptkbp:wavelengthRange
|
21 cm
|
|
gptkbp:website
|
http://egg.astro.cornell.edu/alfalfa/
|
|
gptkbp:bfsParent
|
gptkb:Arecibo_Legacy_Fast_ALFA_Survey
|
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gptkbp:bfsLayer
|
8
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|
http://www.w3.org/2000/01/rdf-schema#label
|
ALFALFA
|