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M101 Group information


M101 Group
The Pinwheel Galaxy, the brightest galaxy in the M101 Group
Observation data (Epoch J2000)
Constellation(s)Ursa Major
Right ascension14h 04m[1][2]
Declination+54° 31[1][2]
Brightest memberPinwheel Galaxy[1][2][3]
Number of galaxies7-9[1][2][4][3]
Other designations
NGC 5457 Group, LGG 371,[1]
NOGG H 758,[2] NOGG P1 766,[2]
NOGG P2 781[2]
See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters

The M101 Group is a loose group of galaxies located in the constellation Ursa Major. The group is named after the brightest galaxy in the group, the Pinwheel Galaxy (M101). Most of the other members of the group are companions of the Pinwheel Galaxy.[1][2][4][3] The group itself is one of many located within the Virgo Supercluster (i.e. the Local Supercluster).[5]

  1. ^ a b c d e f A. Garcia (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement. 100: 47–90. Bibcode:1993A&AS..100...47G.
  2. ^ a b c d e f g h G. Giuricin; C. Marinoni; L. Ceriani; A. Pisani (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". Astrophysical Journal. 543 (1): 178–194. arXiv:astro-ph/0001140. Bibcode:2000ApJ...543..178G. doi:10.1086/317070. S2CID 9618325.
  3. ^ a b c P. Fouque; E. Gourgoulhon; P. Chamaraux; G. Paturel (1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members". Astronomy and Astrophysics Supplement. 93: 211–233. Bibcode:1992A&AS...93..211F.
  4. ^ a b R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 0-521-35299-1.
  5. ^ R. B. Tully (1982). "The Local Supercluster". Astrophysical Journal. 257: 389–422. Bibcode:1982ApJ...257..389T. doi:10.1086/159999.

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M101 Group

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The M101 Group is a loose group of galaxies located in the constellation Ursa Major. The group is named after the brightest galaxy in the group, the Pinwheel...

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Pinwheel Galaxy

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The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy located 21 million light-years (6.4 megaparsecs) from Earth...

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Shilo MB. The modified 105mm C3 howitzer has a range of 18km. A number of M2/M101 howitzers were used by the Socialist Federal Republic of Yugoslavia and approximately...

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NGC 5866 Group

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5866 Group is located to the northwest of both the M101 Group (which contains the Pinwheel Galaxy (M101) and its companion galaxies) and the M51 Group (which...

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M51 Group

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that the M51 Group, the M101 Group, and the NGC 5866 Group are actually part of a large, loose, elongated structure. However, most group identification...

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NGC 5477

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NGC 5477 is a dwarf galaxy located in the constellation of Ursa Major, 20 million light years away from Earth. It was discovered on April 14, 1789, by...

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UGC 8837

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Earth. It is a member of the M101 Group, a group containing several galaxies orbiting the largest, the Pinwheel Galaxy (M101). It is possible UGC 8837 is...

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NGC 5866

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elongated structure that comprises the M51 Group and the M101 Group, although most sources distinguish the three groups as separate entities. List of Messier...

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UGC 8508

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constellation of Ursa Major. It is sometimes classified as a member of the M101 Group of galaxies and has a diameter of around 4.2 kly (1.29 kpc). As an irregular...

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UGC 9405

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listed as a member of the M101 Group, a group containing the several galaxies orbiting the largest, Pinwheel Galaxy (M101). However, due to its far distance...

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Whirlpool Galaxy

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elongated group that includes the M101 Group and the NGC 5866 Group, although most group identification methods and catalogs identify the three groups as separate...

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Sloan, G. C. (January 2018). "Luminosities and mass-loss rates of Local Group AGB stars and red supergiants". Astronomy & Astrophysics. 609: A114. arXiv:1711...

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Washington Heights. Originally a streetcar line, it now consists of the M98, M101, M102, and M103 bus routes, operated by the New York City Transit Authority...

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List of galaxy groups and clusters

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This article lists some galaxy groups and galaxy clusters. Defining the limits of galaxy clusters is imprecise as many clusters are still forming. In particular...

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NGC 5474

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Ursa Major. It is one of several companion galaxies of the Pinwheel Galaxy (M101), a grand-design spiral galaxy. Among the Pinwheel Galaxy's companions, this...

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NGC 5204

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from Earth in the constellation of Ursa Major and is a member of the M101 Group of galaxies. It has a galaxy morphological classification of SA(s)m and...

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NGC 5585

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from Earth in the constellation of Ursa Major; it is a member of the M101 Group of galaxies. The galaxy has a diameter of about 35,000 light-years and...

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CROWS

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leaving the protection of their vehicle. The US military has fielded both the M101 CROWS and M153 CROWS II systems. The CROWS system provides an operator with...

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NGC 5238

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galaxy. Although some authors have hypothesized it to be a member of the M101 Group of galaxies, it is currently believed to be an isolated galaxy. At an...

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List of most expensive sports cards

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2020. "1915/16 M101-5 Sporting News Babe Ruth". www.psacard.com. PSA. Retrieved 25 August 2020. "Spotlight: Babe Ruth M101-4 and M101-5 Rookie Cards"...

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List of the United States Army weapons by supply catalog designation

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mm Pack Howitzer M1) C21 Howitzer, 105-mm M2A1. on mount M4, and M4A1. (M101 howitzer) C22 Parts and accessories for 3" materiel (except guns and carriage);...

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List of weapons of the United States Marine Corps

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purposes, such as the Silent Drill Platoon's M1 Garands, or the use of the M101 howitzer for gun salutes. CS gas OC spray Rubber, beanbag, & plastic bullet...

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NGC 5229

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of Dwarf Galaxies - III. B and R photometry of dwarf galaxies in the M101 group and the nearby field". Astronomy and Astrophysics Supplement Series. 137...

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Structure of the Royal Danish Army

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Kongelige Livgarde, (Light Infantry) 16th Artillery Battalion, (24x M101) 2nd Zealand Battle Group 2nd Antitank Squadron, Gardehusarregimentet, (8x Centurion(84 mm...

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