NGC 147

URI: https://gptkb.org/entity/NGC_147
GPTKB entity
Statements (32)
Predicate Object
gptkbp:instanceOf dwarf spheroidal galaxy
gptkbp:angularSize 13.2′ × 7.8′
gptkbp:apparentMagnitude 9.5
gptkbp:cataloguedIn gptkb:New_General_Catalogue
gptkbp:contains globular clusters
gptkbp:declination +48° 30′ 32″
gptkbp:diameter ~2,000 light-years
gptkbp:discoveredBy gptkb:John_Herschel
gptkbp:discoveredIn September 8, 1829
gptkbp:distanceFromEarth 2.53 million light-years
gptkbp:galaxy gptkb:NGC_185
gptkbp:galaxyGroup gptkb:Andromeda_subgroup
gptkbp:hasNo significant star formation
gptkbp:hasSatelliteCraters gptkb:Andromeda_Galaxy
https://www.w3.org/2000/01/rdf-schema#label NGC 147
gptkbp:locatedIn constellation Cassiopeia
gptkbp:mass ~5 × 10^7 solar masses
gptkbp:metallicity low
gptkbp:morphologicalType dE5
gptkbp:otherDesignation gptkb:Caldwell_17
gptkb:PGC_2004
gptkbp:partOf gptkb:Local_Group
gptkbp:radialVelocity -193 km/s
gptkbp:redshift -0.000476
gptkbp:rightAscension 00h 33m 12.1s
gptkbp:stellarPopulation old
gptkbp:bfsParent gptkb:M31
gptkb:Andromeda_Galaxy
gptkb:Local_Group
gptkb:New_General_Catalogue
gptkb:Andromeda_galaxy
gptkbp:bfsLayer 6