globular cluster Whiting 1
E502419
Globular cluster Whiting 1 is a faint, relatively young globular star cluster in the Milky Way’s halo that is thought to have originated in the Sagittarius Dwarf Elliptical Galaxy and been accreted during its interaction with our galaxy.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Whiting 1 | 0 |
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | globular cluster ⓘ |
| accretedBy | Milky Way NERFINISHED ⓘ |
| age |
relatively young for a globular cluster
ⓘ
~6.5 billion years ⓘ |
| apparentMagnitudeV | ~16.3 ⓘ |
| associatedWith | Sagittarius tidal stream NERFINISHED ⓘ |
| belongsTo |
Sagittarius stream
NERFINISHED
ⓘ
outer halo globular cluster system ⓘ |
| clusterConcentration | low to moderate ⓘ |
| clusterType |
faint globular cluster
ⓘ
outer-halo globular cluster ⓘ |
| constellation | Pegasus NERFINISHED ⓘ |
| declination(J2000) | -03° 15′ 10″ ⓘ |
| discoveredBy | Alan B. Whiting NERFINISHED ⓘ |
| discoveryMethod | photographic survey ⓘ |
| distanceFromEarth |
~12.3 kiloparsecs
ⓘ
~40,000 light-years ⓘ |
| distanceFromGalacticCenter | ~34 kiloparsecs ⓘ |
| environment | low-density outer halo region ⓘ |
| galacticLatitude | ~-60° ⓘ |
| galacticLongitude | ~162° ⓘ |
| galacticPopulation | halo population ⓘ |
| halfLightRadius | ~0.5 arcminutes ⓘ |
| hasColorMagnitudeDiagram | consistent with intermediate-age, metal-rich population ⓘ |
| hasProperty |
low luminosity
ⓘ
low mass ⓘ relatively high metallicity for a globular cluster ⓘ |
| hostGalaxy | Milky Way NERFINISHED ⓘ |
| locatedIn |
Milky Way
ⓘ
Milky Way halo ⓘ |
| memberOf | Milky Way stellar halo NERFINISHED ⓘ |
| metallicity[Fe/H] | about -0.7 ⓘ |
| namedAfter | Alan B. Whiting NERFINISHED ⓘ |
| observedIn |
near-infrared wavelengths
ⓘ
optical wavelengths ⓘ |
| orbitalAssociation | Sagittarius dwarf galaxy debris NERFINISHED ⓘ |
| origin |
Sagittarius Dwarf Elliptical Galaxy
NERFINISHED
ⓘ
Sagittarius Dwarf Spheroidal Galaxy NERFINISHED ⓘ |
| rightAscension(J2000) | 02h 02m 57s ⓘ |
| stellarPopulation | intermediate-age population ⓘ |
| usedAs | tracer of Sagittarius dwarf accretion ⓘ |
| usedFor |
studies of Milky Way halo formation
ⓘ
studies of globular cluster age–metallicity relation ⓘ |
| visibility | requires large amateur or professional telescopes ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.