Cerro Pachón

E83732

astronomical observatory site mountain

Cerro Pachón is a high-altitude mountain peak in the Chilean Andes renowned as a premier site for professional astronomical observatories due to its clear, dry skies and stable atmospheric conditions.

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All labels observed (3)

Label	Occurrences
Cerro Pachón canonical	10
Cerro Pachón, Chile	6
Cerro Pachón Observatory site	1

Statements (47)

Predicate	Object
instanceOf	astronomical observatory site ⓘ mountain ⓘ
access	road from La Serena vicinity ⓘ
atmosphericSeeing	good ⓘ
atmosphericWaterVapor	low ⓘ
climate	arid ⓘ
country	Chile ⓘ
distanceToCity	roughly 80–90 km from La Serena ⓘ
elevation	approximately 2715 meters ⓘ approximately 8910 feet ⓘ
hasObservatory	Gemini South Observatory ⓘ SOAR Telescope ⓘ Vera C. Rubin Observatory ⓘ
hemisphere	Southern Hemisphere ⓘ
hosts	Gemini South Observatory ⓘ surface form: Gemini South 8.1-meter telescope Vera C. Rubin Observatory ⓘ surface form: Rubin Observatory Simonyi Survey Telescope Southern Astrophysical Research Telescope ⓘ
infrastructure	astronomical observatory facilities ⓘ power and communications for observatories ⓘ support buildings for telescopes ⓘ
knownFor	clear skies ⓘ dry climate ⓘ excellent astronomical observing conditions ⓘ stable atmosphere ⓘ
lightPollution	low ⓘ
locatedIn	Andes ⓘ Coquimbo Region ⓘ northern Chile ⓘ
near	Cerro Tololo Inter-American Observatory ⓘ surface form: Cerro Tololo Cerro Tololo Inter-American Observatory ⓘ
observingNightsPerYear	high fraction of photometric nights ⓘ
ownership	land used under agreements with Chilean authorities ⓘ
partOf	Andes ⓘ surface form: Chilean Andes
region	Elqui Province ⓘ
scientificRole	key site for southern optical/IR astronomy ⓘ major site for large survey telescope ⓘ
skyCoverage	southern sky ⓘ
skyQuality	dark skies ⓘ
telescopeAperture	4.1-meter (SOAR) ⓘ 8.1-meter (Gemini South) ⓘ 8.4-meter effective (Rubin Observatory primary mirror) ⓘ
terrain	high-altitude ridge in the Andes ⓘ
usedBy	international astronomy community ⓘ
usedFor	infrared astronomy ⓘ optical astronomy ⓘ wide-field sky surveys ⓘ
weatherPattern	predominantly clear nights ⓘ

Referenced by (17)

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

Gemini South Observatory → locatedOn → Cerro Pachón ⓘ

Vera C. Rubin Observatory → locatedIn → Cerro Pachón ⓘ

CTIO → hasNearbyFacility → Cerro Pachón ⓘ

GeMS (Gemini Multi-conjugate adaptive optics System) → observingSite → Cerro Pachón ⓘ

subject surface form: GeMS

GSAOI (Gemini South Adaptive Optics Imager) → locatedAt → Cerro Pachón ⓘ

subject surface form: GSAOI

this entity surface form: Cerro Pachón, Chile

GSAOI (Gemini South Adaptive Optics Imager) → observatorySite → Cerro Pachón ⓘ

subject surface form: GSAOI

this entity surface form: Cerro Pachón Observatory site

GMOS-S (Gemini Multi-Object Spectrograph South) → locatedAt → Cerro Pachón ⓘ

subject surface form: GMOS-S

this entity surface form: Cerro Pachón, Chile

FLAMINGOS-2 → locatedAt → Cerro Pachón ⓘ

this entity surface form: Cerro Pachón, Chile

Zorro (speckle imager) → locatedIn → Cerro Pachón ⓘ

Legacy Survey of Space and Time → location → Cerro Pachón ⓘ

this entity surface form: Cerro Pachón, Chile

Simonyi Survey Telescope → locatedIn → Cerro Pachón ⓘ

LSST Camera → locatedIn → Cerro Pachón ⓘ

this entity surface form: Cerro Pachón, Chile

Gemini Observatory → locatedIn → Cerro Pachón ⓘ

subject surface form: Gemini South

GeMS → locatedAt → Cerro Pachón ⓘ

SOAR Telescope → locatedIn → Cerro Pachón ⓘ

Southern Astrophysical Research Telescope → location → Cerro Pachón ⓘ

Gemini South instrument suite → locatedIn → Cerro Pachón ⓘ

this entity surface form: Cerro Pachón, Chile