Atacama Compact Array

E176201

astronomical observatory instrument radio telescope array

The Atacama Compact Array is a subset of smaller, closely spaced radio telescopes within the ALMA observatory designed to improve imaging of extended astronomical objects at millimeter and submillimeter wavelengths.

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All labels observed (2)

Label	Occurrences
ALMA Atacama Compact Array	1
Atacama Compact Array canonical	1

Statements (46)

Predicate	Object
instanceOf	astronomical observatory instrument ⓘ radio telescope array ⓘ
alsoKnownAs	Morita Array ⓘ
altitude	about 5000 meters ⓘ
antennaDiameter	12 meters ⓘ 7 meters ⓘ
baselineLength	short baselines ⓘ
configuration	compact ⓘ
constructionPartner	East Asian Observatory ⓘ surface form: East Asian ALMA Regional Center Japan ⓘ
country	Chile ⓘ
dataCombination	used together with main ALMA array data ⓘ
dataType	interferometric visibilities ⓘ
designedBy	NAOJ ⓘ surface form: National Astronomical Observatory of Japan
environment	high-altitude desert ⓘ
feature	closely spaced antennas ⓘ optimized for extended emission ⓘ part of ALMA interferometric system ⓘ
frequencyRange	approximately 30–950 GHz ⓘ
fundedBy	European Southern Observatory ⓘ NAOJ ⓘ surface form: National Astronomical Observatory of Japan National Radio Astronomy Observatory ⓘ
imagingCapability	sensitive to large angular scales ⓘ
locatedAt	Chajnantor Plateau ⓘ
locatedIn	Atacama Desert ⓘ
numberOfAntennas	16 12-meter antennas ⓘ 4 7-meter antennas ⓘ
observatory	Atacama Large Millimeter/submillimeter Array ⓘ surface form: ALMA
operator	Atacama Large Millimeter/submillimeter Array ⓘ surface form: Atacama Large Millimeter/submillimeter Array Observatory Joint ALMA Observatory ⓘ
partOf	Atacama Large Millimeter/submillimeter Array ⓘ
primaryScienceUse	study of molecular clouds ⓘ study of nearby galaxies ⓘ study of protoplanetary disks ⓘ
purpose	complement main ALMA 12-meter array ⓘ improve imaging of extended astronomical objects ⓘ provide short-baseline interferometric data ⓘ
scienceBandCoverage	ALMA bands in millimeter and submillimeter regime ⓘ
scienceGoal	high-fidelity imaging of diffuse emission ⓘ improve uv-coverage at short spacings ⓘ
shortName	ACA ⓘ
startOfOperations	early 2010s ⓘ
telescopeType	interferometric array ⓘ radio telescope ⓘ
wavelengthRange	millimeter ⓘ submillimeter ⓘ

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Atacama Large Millimeter/submillimeter Array → hasComponent → Atacama Compact Array ⓘ

Joint ALMA Observatory → usesInstrument → Atacama Compact Array ⓘ

this entity surface form: ALMA Atacama Compact Array