IC 4665

E480233

IC 4665 is a bright, young open star cluster located in the constellation Ophiuchus, visible with binoculars or small telescopes.

All labels observed (1)

Label Occurrences
IC 4665 canonical 2

How this entity was disambiguated

Statements (33)

Predicate Object
instanceOf astronomical object ⓘ
open star cluster ⓘ
age ~30–40 million years ⓘ
angularSize ~70 arcminutes ⓘ
apparentMagnitudeV 4.2 ⓘ
bestSeenFromHemisphere Northern Hemisphere ⓘ
bestSeenIn summer ⓘ
catalogCode IC 4665 ⓘ
declination +05° 43′ ⓘ
discoveredBy Philippe Loys de Chéseaux ⓘ
discoveryYear 1745 ⓘ
distanceFromEarth ~1400 light-years ⓘ
~430 parsecs ⓘ
galacticLatitude +17.3° ⓘ
galacticLongitude 30.6° ⓘ
hasApproximateMemberCount ~50–60 bright members ⓘ
hasIntegratedSpectralType approximately F-type ⓘ
hasNotableProperty easily resolved into individual stars ⓘ
relatively low central concentration ⓘ
young open cluster used for stellar evolution studies ⓘ
hasStellarPopulation young stars ⓘ
includedInCatalogue Collinder catalogue ⓘ
Index Catalogue ⓘ
Melotte catalogue ⓘ
liesNear Beta Ophiuchi ⓘ
locatedIn Milky Way ⓘ
locatedInConstellation Ophiuchus ⓘ
observationalClass loose open cluster ⓘ
otherDesignation Collinder 349 ⓘ
Melotte 179 ⓘ
rightAscension 17h 46m ⓘ
visibleWith binoculars ⓘ
small telescope ⓘ

How these facts were elicited

Referenced by (2)

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

IC 4665 → catalogCode → IC 4665 ⓘ