The Double Cluster, also known as Caldwell 14, consists of the open clusters NGC 869 and NGC 884 (often designated h Persei and χ (chi) Persei, respectively)...

astronomer Ptolemy mentions the Praesepe cluster, the Double Cluster in Perseus, the Coma Star Cluster and the Ptolemy Cluster, while the Persian astronomer Al-Sufi...

Persei, a nova that peaked at magnitude 0.2 in 1901. The Double Cluster, comprising two open clusters quite near each other in the sky, was known to the ancient...

A star cluster is a group of stars held together by self-gravitation. Two main types of star clusters can be distinguished: globular clusters, tight groups...

many of the sky's brightest deep-sky objects, such as the Hyades, the Double Cluster (NGC 869 and NGC 884), and the Sculptor Galaxy (NGC 253). The Messier...

supergiant star located in the constellation of Perseus. It is within the Double Cluster, 7,250+470 −420 light-years away. It is a semiregular variable star...

Double Cluster and a number of Messier objects: The Crab Nebula (M1) Open Cluster M36 Open Cluster M37 Open Cluster M38 Open Cluster M52 Open Cluster...

cluster is around 14 million years old. It is the west component of the Double Cluster with NGC 884. NGC 869 and 884 are often designated h and χ (chi) Persei...

computer cluster is a set of computers that work together so that they can be viewed as a single system. Unlike grid computers, computer clusters have each...

Persei) is an open cluster located 7640 light years away in the constellation of Perseus. It is the east component of the Double Cluster with NGC 869. NGC...

variable star Algol and some deep sky objects such as Messier 34, the Double Cluster, the California Nebula, and the Little Dumbbell Nebula (Messier 76)...

groups and galaxy clusters. Defining the limits of galaxy clusters is imprecise as many clusters are still forming. In particular, clusters close to the Milky...

closer, superimposed double star; it consists of a 7th-magnitude primary and 10th-magnitude secondary. The other prominent open clusters in Cassiopeia are...

is a red supergiant or hypergiant located near the Double Cluster in Perseus, north of the cluster NGC 869. It is a member of the Perseus OB1 association...

It is part of the Perseus OB1 stellar association and lies near the Double Cluster. This object is near the lower limit of visibility to the naked eye...

Perseus OB1 stellar association. It lies close to the Double Cluster and is considered a cluster member. In 1999, 10 Persei was given the variable star...

RS Persei is a red supergiant variable star located in the Double Cluster in Perseus. The star's apparent magnitude varies from 7.82 to 10.0, meaning it...

Per) is the name of a star and an open cluster: χ Persei, the star 7 Persei χ Persei, one half of the Double Cluster This set index article includes a list...

Space Administration/ESA Double Star mission operated alongside Cluster II from 2004 to 2007. The first of the satellites of Cluster II to re-enter the atmosphere...

An oak leaf cluster is a ribbon device to denote preceding decorations and awards consisting of a miniature bronze or silver twig of four oak leaves with...

sites in the lip, oral cavity and pharynx ICD-10 code Caldwell 14, the Double Cluster in the constellation Perseus Autovía C-14, a highway in Catalonia in...

NGC 1850 is a double cluster and a super star cluster in the Dorado constellation, located in the northwest part of the bar of the Large Magellanic Cloud...

Persei is located on the outskirts of the Trumpler 2 open cluster, near the famous Double Cluster. At 1,500 pc, DY Persei is thought to be much further away...

Hemisphere in the constellation Perseus. It is centered around the double cluster (NGC 869 and NGC 884), and has lent its name to the Perseus Arm of the...

Philip (2002). "The Star Formation History and Mass Function of the Double Cluster h and χ Persei". The Astrophysical Journal. 576 (2): 880–893. arXiv:astro-ph/0205130...

Cluster headache is a neurological disorder characterized by recurrent severe headaches on one side of the head, typically around the eye(s). There is...

ionized cluster of metals. Cluster ion beams are produced by bombarding the surface with high energetic inert gas (krypton and xenon) ions. The cluster production...

reference, which is not size-consistent, at the CCSDT (coupled cluster single-double-triple) level of theory, which provides an almost exact, full-CI-quality...

the cluster, another magnitude 10.8 red giant. Another bright foreground object is the double star Struve 131, but is not a member of the cluster. Cluster...

2000, p. 132. Staal 1988, pp. 7–14, 17. "The Andromeda Galaxy and the Double Cluster in al-Sufi's Book of the Fixed Stars". Ian Ridpath's Star Tales. Retrieved...