Cassiopeia
E453402
Cassiopeia is a prominent W-shaped constellation in the northern sky, easily recognizable and rich in notable deep-sky objects and astronomical phenomena.
Observed surface forms (5)
| Surface form | Occurrences |
|---|---|
| constellation Cassiopeia | 4 |
| Cassiopeia constellation | 1 |
| Cassiopeia constellation region | 1 |
| CassiopeiaConstellation | 1 |
| Cepheus | 1 |
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
astronomicalObject
ⓘ
constellation ⓘ |
| abbreviation | Cas NERFINISHED ⓘ |
| areaSquareDegrees | approximately 598 ⓘ |
| associatedMyth | Perseus myth cycle NERFINISHED ⓘ |
| borderingConstellation |
Andromeda
NERFINISHED
ⓘ
Camelopardalis NERFINISHED ⓘ Cepheus NERFINISHED ⓘ Lacerta NERFINISHED ⓘ Perseus NERFINISHED ⓘ |
| brightestStar | Schedar NERFINISHED ⓘ |
| brightestStarApparentMagnitude | approximately 2.2 ⓘ |
| catalogue |
one of the 48 constellations listed by Ptolemy
ⓘ
one of the 88 modern IAU constellations ⓘ |
| circumpolarFromLatitude | greater than about 40 degrees north ⓘ |
| containsGalaxy |
NGC 147
NERFINISHED
ⓘ
NGC 185 NERFINISHED ⓘ |
| containsNebula |
Heart Nebula
NERFINISHED
ⓘ
Pacman Nebula NERFINISHED ⓘ Soul Nebula NERFINISHED ⓘ |
| containsOpenCluster |
Messier 103
NERFINISHED
ⓘ
Messier 52 NERFINISHED ⓘ NGC 457 NERFINISHED ⓘ NGC 654 NERFINISHED ⓘ NGC 663 NERFINISHED ⓘ |
| containsRadioSource | Cassiopeia A NERFINISHED ⓘ |
| containsStar |
Caph
NERFINISHED
ⓘ
Gamma Cassiopeiae NERFINISHED ⓘ Ruchbah NERFINISHED ⓘ Schedar NERFINISHED ⓘ Segin NERFINISHED ⓘ |
| containsSupernovaRemnant | Cassiopeia A NERFINISHED ⓘ |
| containsVariableStar |
Gamma Cassiopeiae
NERFINISHED
ⓘ
Rho Cassiopeiae NERFINISHED ⓘ V509 Cassiopeiae NERFINISHED ⓘ |
| culturalSignificance | used for navigation in the northern hemisphere ⓘ |
| declination | approximately +60 degrees ⓘ |
| family | Perseus family of constellations NERFINISHED ⓘ |
| firstCataloguedBy | Ptolemy NERFINISHED ⓘ |
| genitiveForm | Cassiopeiae NERFINISHED ⓘ |
| hemisphere | northern celestial hemisphere ⓘ |
| IAUApprovalYear | 1922 ⓘ |
| IAUBoundaryDefinitionYear | 1930 ⓘ |
| meteorShowerRadiant | Perseids vicinity ⓘ |
| MilkyWayPassesThrough | true ⓘ |
| mythologicalOrigin | Queen Cassiopeia of Aethiopia in Greek mythology NERFINISHED ⓘ |
| name | Cassiopeia NERFINISHED ⓘ |
| notableAsterism | W-shaped pattern of five bright stars ⓘ |
| orientationRelativeToPolaris | opposite the Big Dipper across Polaris ⓘ |
| quadrant | NQ1 ⓘ |
| rankByArea | 25th largest constellation ⓘ |
| rightAscension | approximately 1 hour ⓘ |
| symbol | W-shaped asterism ⓘ |
| visibleFromLatitudeRange | 90 to -20 degrees ⓘ |
| visibleInMonth |
December
ⓘ
November ⓘ |
| zodiacal | false ⓘ |
Referenced by (27)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Cassiopeia
this entity surface form:
constellation Cassiopeia
this entity surface form:
Cassiopeia constellation
this entity surface form:
Cepheus
subject surface form:
Rescuing Andromeda
this entity surface form:
constellation Cassiopeia
subject surface form:
IC 1805
subject surface form:
IC 1848
subject surface form:
NGC 281
this entity surface form:
Cassiopeia constellation region
subject surface form:
Rescuing Andromeda
this entity surface form:
CassiopeiaConstellation
subject surface form:
Cassiopeia
this entity surface form:
constellation Cassiopeia