Seven Sisters region

E581560

The Seven Sisters region is a prominent area of the Pleiades star cluster, known for its bright young stars and surrounding reflection nebulosity in the constellation Taurus.

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Statements (49)

Predicate Object
instanceOf astronomical region
part of open star cluster
ageApprox about 100 million years
alsoKnownAs Seven Sisters NERFINISHED
angularSizeApprox about 110 arcminutes
apparentMagnitudeApprox 1.6
associatedWith Pleiades reflection nebulae NERFINISHED
bestSeenFrom Northern Hemisphere NERFINISHED
bestViewingSeason Northern winter
celestialHemisphere Northern celestial hemisphere
contains bright young stars
reflection nebulosity
containsStar Alcyone NERFINISHED
Atlas NERFINISHED
Celaeno NERFINISHED
Electra NERFINISHED
Maia NERFINISHED
Merope NERFINISHED
Pleione NERFINISHED
Sterope NERFINISHED
Taygeta NERFINISHED
culturalSignificance important in many mythologies
declinationApprox +24° 07′
distanceFromEarthApprox about 135 parsecs
about 440 light-years
dominantColor blue
dominantStellarPopulation B-type stars
young main-sequence stars
galacticLatitudeApprox about -23 degrees
galacticLongitudeApprox about 166 degrees
hostClusterDesignation M45 NERFINISHED
Messier 45 NERFINISHED
hostClusterType open star cluster
interstellarMediumInteraction dust clouds causing reflection nebulosity
isTypeOfNebulosity reflection nebula
locatedIn Milky Way
Orion Arm of the Milky Way NERFINISHED
locatedInConstellation Taurus NERFINISHED
name Seven Sisters region NERFINISHED
nearbyConstellation Aries NERFINISHED
Perseus NERFINISHED
notableFor bright blue reflection nebulosity
compact grouping of bright stars
observedInWavelength infrared
optical
observedSince antiquity
partOf Pleiades star cluster NERFINISHED
rightAscensionApprox 03h 47m
visibleToNakedEye true

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Merope Nebula isPartOfAsterism Seven Sisters region