Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:planetary_nebula
|
| gptkbp:alsoKnownAs |
gptkb:Messier_97
gptkb:M97 |
| gptkbp:angularSize |
3.4 arcminutes
|
| gptkbp:apparentMagnitude |
16
9.9 |
| gptkbp:catalogue |
gptkb:NGC_3587
gptkb:Messier_Catalogue |
| gptkbp:centralStarType |
white dwarf
|
| gptkbp:composition |
ionized gas
|
| gptkbp:constellation |
gptkb:Ursa_Major
|
| gptkbp:declination |
+55° 01′ 08″
|
| gptkbp:diameter |
about 1.45 light-years
|
| gptkbp:discoveredBy |
gptkb:Pierre_Méchain
|
| gptkbp:discoveredIn |
1781
|
| gptkbp:distanceFromEarth |
about 2,030 light-years
|
| gptkbp:epoch |
gptkb:J2000
|
| gptkbp:expansion |
27–39 km/s
|
| gptkbp:hasViewOf |
amateur telescopes
|
| https://www.w3.org/2000/01/rdf-schema#label |
Owl Nebula
|
| gptkbp:locatedIn |
constellation Ursa Major
|
| gptkbp:notableFeature |
resembles an owl's face
|
| gptkbp:notableFor |
complex internal structure
|
| gptkbp:rightAscension |
11h 14m 47.7s
|
| gptkbp:shape |
round
|
| gptkbp:bfsParent |
gptkb:The_Great_Bear
|
| gptkbp:bfsLayer |
6
|