|
gptkbp:instanceOf
|
gptkb:galaxy
|
|
gptkbp:alternativeName
|
gptkb:Messier_31
gptkb:NGC_224
gptkb:M31
|
|
gptkbp:apparentMagnitude
|
3.44
|
|
gptkbp:cataloguedIn
|
gptkb:Charles_Messier
|
|
gptkbp:catalogueNumber
|
gptkb:Messier_31
|
|
gptkbp:collisionTimeEstimate
|
about 4.5 billion years
|
|
gptkbp:contains
|
black hole
open clusters
over 450 globular clusters
planetary nebulae
stellar streams
satellite dwarf galaxies
|
|
gptkbp:declination
|
+41° 16′ 9″
|
|
gptkbp:diameter
|
about 220,000 light-years
|
|
gptkbp:discoveredBy
|
gptkb:Abd_al-Rahman_al-Sufi
|
|
gptkbp:discoveredIn
|
964 AD
|
|
gptkbp:distanceFromEarth
|
about 2.537 million light-years
|
|
gptkbp:expectedCollisionWith
|
gptkb:Milky_Way
|
|
gptkbp:featuredIn
|
mythology of Andromeda
|
|
gptkbp:firstPhotographedBy
|
gptkb:Isaac_Roberts
|
|
gptkbp:firstPhotographedYear
|
1887
|
|
gptkbp:galacticLatitude
|
l = 121.174°, b = -21.573°
|
|
gptkbp:hasViewOf
|
gptkb:Northern_Hemisphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
The Andromeda Galaxy
|
|
gptkbp:largestSchoolDistrictIn
|
gptkb:Local_Group
|
|
gptkbp:locatedIn
|
gptkb:Andromeda_constellation
|
|
gptkbp:luminosity
|
13.5 mag/arcmin²
|
|
gptkbp:mass
|
about 1.5×10^12 solar masses
|
|
gptkbp:movingToward
|
gptkb:Milky_Way
|
|
gptkbp:namedAfter
|
gptkb:Andromeda_(mythological_princess)
|
|
gptkbp:notableFeature
|
globular clusters
star-forming regions
dust lanes
double nucleus
|
|
gptkbp:observedBy
|
gptkb:Spitzer_Space_Telescope
gptkb:Chandra_X-ray_Observatory
gptkb:Hubble_Space_Telescope
|
|
gptkbp:partOf
|
gptkb:Local_Group
|
|
gptkbp:radialVelocity
|
-301 km/s
|
|
gptkbp:rating
|
about 1 trillion
|
|
gptkbp:rightAscension
|
00h 42m 44.3s
|
|
gptkbp:satelliteGalaxies
|
gptkb:NGC_221
gptkb:NGC_205
gptkb:M32
gptkb:M110
|
|
gptkbp:type
|
gptkb:galaxy
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:bfsParent
|
gptkb:Kris_Statlander
|
|
gptkbp:bfsLayer
|
6
|