IC 4665
E480233
IC 4665 is a bright, young open star cluster located in the constellation Ophiuchus, visible with binoculars or small telescopes.
Statements (33)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
open star cluster ⓘ |
| age | ~30–40 million years ⓘ |
| angularSize | ~70 arcminutes ⓘ |
| apparentMagnitudeV | 4.2 ⓘ |
| bestSeenFromHemisphere | Northern Hemisphere NERFINISHED ⓘ |
| bestSeenIn | summer ⓘ |
| catalogCode | IC 4665 NERFINISHED ⓘ |
| declination | +05° 43′ ⓘ |
| discoveredBy | Philippe Loys de Chéseaux NERFINISHED ⓘ |
| 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
NERFINISHED
ⓘ
Index Catalogue NERFINISHED ⓘ Melotte catalogue NERFINISHED ⓘ |
| liesNear | Beta Ophiuchi NERFINISHED ⓘ |
| locatedIn | Milky Way ⓘ |
| locatedInConstellation | Ophiuchus NERFINISHED ⓘ |
| observationalClass | loose open cluster ⓘ |
| otherDesignation |
Collinder 349
NERFINISHED
ⓘ
Melotte 179 NERFINISHED ⓘ |
| rightAscension | 17h 46m ⓘ |
| visibleWith |
binoculars
ⓘ
small telescope ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.