M33 in Andromeda

URI: https://gptkb.org/entity/M33_in_Andromeda

GPTKB entity

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
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	gptkb:spiral_arms HII regions
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
https://www.w3.org/2000/01/rdf-schema#label	M33 in Andromeda