M67
E584561
M67 is an ancient, metal-rich open star cluster in the constellation Cancer, notable for its well-studied stellar population and importance in understanding stellar evolution.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| M 67 | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | open star cluster ⓘ |
| addedToMessierCatalogue | 1780 ⓘ |
| age |
about 4 billion years
ⓘ
comparable to the Sun ⓘ |
| angularSize | about 30 arcminutes ⓘ |
| apparentMagnitudeV | about 6.1 ⓘ |
| bestSeenIn | spring in the Northern Hemisphere ⓘ |
| catalogNumber |
M67
ⓘ
Messier 67 NERFINISHED ⓘ NGC 2682 NERFINISHED ⓘ |
| constellation | Cancer NERFINISHED ⓘ |
| contains |
blue straggler stars
ⓘ
red giant stars ⓘ solar analogs ⓘ white dwarfs ⓘ |
| coreRadius | about 1 parsec ⓘ |
| declination | +11° 49′ ⓘ |
| discoveredBy | Johann Gottfried Koehler NERFINISHED ⓘ |
| discoveryYear | 1779 ⓘ |
| distanceFromEarth |
about 2700–3000 light-years
ⓘ
about 800–900 parsecs ⓘ |
| estimatedMass | about 1000 solar masses ⓘ |
| estimatedNumberOfStars |
about 500
ⓘ
several hundred ⓘ |
| galacticLatitude | +32° ⓘ |
| galacticLongitude | about 215° ⓘ |
| galacticPopulation | Galactic disk ⓘ |
| has | near-solar metallicity ⓘ |
| hasHigh | binary star fraction ⓘ |
| locatedIn | Milky Way ⓘ |
| metallicity | metal-rich ⓘ |
| metallicityRelativeToSun | approximately solar or slightly above ⓘ |
| notableFor |
importance in understanding stellar evolution
ⓘ
rich population of solar-type stars ⓘ well-studied stellar population ⓘ |
| observedBy | Charles Messier NERFINISHED ⓘ |
| rightAscension | 08h 51m ⓘ |
| tidalRadius | about 10 parsecs ⓘ |
| usedAs |
benchmark open cluster for stellar evolution models
ⓘ
reference for gyrochronology studies ⓘ reference for stellar isochrone calibration ⓘ |
| usedToStudy |
mass loss in stars
ⓘ
stellar activity ⓘ stellar rotation ⓘ white dwarf cooling sequences ⓘ |
| visibility | visible with binoculars under dark skies ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
M 67