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- Alpha_Persei_Cluster abstract "The Alpha Persei Cluster, also known as Melotte 20 or Collinder 39, is an open cluster in the constellation of Perseus. To the naked eye, the cluster consists of several blue spectral type B type stars. The most luminous member is the ~2nd magnitude white-yellow supergiant Mirfak, also known as Alpha Persei. Bright members also include Delta, Epsilon, Psi, 29, 30, 34 and 48 Persei. The Hipparcos satellite and infrared color-magnitude diagram fitting have been used to establish a distance to the cluster of ~172 pc. The distance established via the independent analyses agree, thereby making the cluster an important rung on the cosmic distance ladder. The age of this cluster is about 50-70 million years.".
- Alpha_Persei_Cluster thumbnail Alpha_Persei_Cluster.png?width=300.
- Alpha_Persei_Cluster wikiPageExternalLink 1978PASP...90..692A.
- Alpha_Persei_Cluster wikiPageExternalLink alphaper.html.
- Alpha_Persei_Cluster wikiPageExternalLink p0030.htm.
- Alpha_Persei_Cluster wikiPageID "13887778".
- Alpha_Persei_Cluster wikiPageRevisionID "595003946".
- Alpha_Persei_Cluster appmagV "1.2".
- Alpha_Persei_Cluster constellation Perseus_(constellation).
- Alpha_Persei_Cluster distLy "557".
- Alpha_Persei_Cluster distPc "171".
- Alpha_Persei_Cluster epoch "2000".
- Alpha_Persei_Cluster hasPhotoCollection Alpha_Persei_Cluster.
- Alpha_Persei_Cluster name "Alpha Persei Cluster".
- Alpha_Persei_Cluster names "Cr 39, Mel 20".
- Alpha_Persei_Cluster sizeV "185.0".
- Alpha_Persei_Cluster subject Category:Alpha_Persei_Cluster.
- Alpha_Persei_Cluster subject Category:Open_clusters.
- Alpha_Persei_Cluster subject Category:Perseus_(constellation).
- Alpha_Persei_Cluster type Abstraction100002137.
- Alpha_Persei_Cluster type Agglomeration107959269.
- Alpha_Persei_Cluster type Bunch107959943.
- Alpha_Persei_Cluster type Collection107951464.
- Alpha_Persei_Cluster type Group100031264.
- Alpha_Persei_Cluster type OpenClusters.
- Alpha_Persei_Cluster comment "The Alpha Persei Cluster, also known as Melotte 20 or Collinder 39, is an open cluster in the constellation of Perseus. To the naked eye, the cluster consists of several blue spectral type B type stars. The most luminous member is the ~2nd magnitude white-yellow supergiant Mirfak, also known as Alpha Persei. Bright members also include Delta, Epsilon, Psi, 29, 30, 34 and 48 Persei.".
- Alpha_Persei_Cluster label "Alpha Persei Cluster".
- Alpha_Persei_Cluster label "Ammasso di Alfa Persei".
- Alpha_Persei_Cluster label "Melotte 20".
- Alpha_Persei_Cluster label "英仙座α星团".
- Alpha_Persei_Cluster sameAs Melotte_20.
- Alpha_Persei_Cluster sameAs Ammasso_di_Alfa_Persei.
- Alpha_Persei_Cluster sameAs 페르세우스자리_알파_성단.
- Alpha_Persei_Cluster sameAs m.03cm7vn.
- Alpha_Persei_Cluster sameAs Q1072618.
- Alpha_Persei_Cluster sameAs Q1072618.
- Alpha_Persei_Cluster sameAs Alpha_Persei_Cluster.
- Alpha_Persei_Cluster wasDerivedFrom Alpha_Persei_Cluster?oldid=595003946.
- Alpha_Persei_Cluster depiction Alpha_Persei_Cluster.png.
- Alpha_Persei_Cluster isPrimaryTopicOf Alpha_Persei_Cluster.
