M33 in Andromeda

URI: https://gptkb.org/entity/M33_in_Andromeda
GPTKB entity
Statements (32)
Predicate Object
gptkbp:instanceOf gptkb:galaxy
gptkbp:alsoKnownAs gptkb:Triangulum_Galaxy
gptkbp:apparentMagnitude 5.72
gptkbp:catalogue gptkb:NGC
gptkb:Messier
gptkbp:constellation gptkb:Triangulum
gptkbp:declination +30° 39′ 36″
gptkbp:diameter ~60,000 light-years
gptkbp:discoveredBy gptkb:Giovanni_Battista_Hodierna
gptkbp:discoveredIn 1654
gptkbp:distanceFromEarth 2.73 million light-years
gptkbp:galaxy gptkb:Milky_Way
gptkb:Andromeda_Galaxy
https://www.w3.org/2000/01/rdf-schema#label M33 in Andromeda
gptkbp:mass ~5×10^10 solar masses
gptkbp:memberOf gptkb:Local_Group
gptkbp:metallicity low
gptkbp:morphologicalType SA(s)cd
gptkbp:NGCNumber gptkb:NGC_598
gptkbp:notableFeature HII regions
spiral arms
gptkbp:notableTeam gptkb:NGC_604
gptkbp:radialVelocity -179 km/s
gptkbp:rightAscension 01h 33m 50.9s
gptkbp:rotationPeriod ~210 million years
gptkbp:starFormationRate ~0.45 solar masses per year
gptkbp:supernovaeObserved none confirmed
gptkbp:thirdLargestIn gptkb:Local_Group
gptkbp:type gptkb:galaxy
gptkbp:visibleToNakedEye yes
gptkbp:bfsParent gptkb:The_Voyage_of_the_Space_Beagle
gptkbp:bfsLayer 6