The Cassiopeia Dwarf (also known as Andromeda VII) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia. The Cassiopeia Dwarf is part of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). The Cassiopeia Dwarf was found in 1998, together with the Pegasus Dwarf, by a team of astronomers (Karachentsev and Kashibadze) in Russia and the Ukraine.

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  • The Cassiopeia Dwarf (also known as Andromeda VII) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia. The Cassiopeia Dwarf is part of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). The Cassiopeia Dwarf was found in 1998, together with the Pegasus Dwarf, by a team of astronomers (Karachentsev and Kashibadze) in Russia and the Ukraine. The Cassiopeia Dwarf and the Pegasus Dwarf are farther from M31 than its other known companion galaxies, yet still appear bound to it by gravity. Neither galaxy contains any young, massive stars or shows traces of recent star formation. Instead, both seem dominated by very old stars, with ages of up to 10 billion years.
  • Andromeda VII ou Galaxie naine sphéroïdale de Cassiopée est une galaxie naine sphéroïdale qui fait partie de notre Groupe local. Elle fut découverte par une équipe d’astronomes russes et ukrainiens. Distante de 2,6 millions d’années-lumière du Système solaire, Andromeda VII est une galaxie satellite de la Galaxie d’Andromède.
  • Galaktyka karłowata Andromeda VII (zwana też Karłem Kasjopei) jest jedną z satelit galaktyki M31. Galaktyka ta znajduje się w gwiazdozbiorze Andromedy. Została odkryta przez ukraińskich i rosyjskich astronomów 1998 roku. Jest odległa od Słońca prawie 2,5 mln lat świetlnych. Galaktyka nie ma jeszcze oznaczenia katalogowego.
  • A Galáxia Anã de Cassiopéia (também conhecida como Andrômeda VII) é uma galáxia anã esferoidal a aproximadamente 2,58 milhões de anos-luz de distância na constelação de Cassiopeia. A Anã de Cassiopéia faz parte do Grupo Local de galáxias e é uma galáxia satélite da Galáxia de Andrômeda (M31). A Anã de Cassiopéia foi encontrada em 1998, juntamente com o Anã de Pegasus, por uma equipe de astrônomos (Karachentsev e Kashibadze) na Rússia e na Ucrânia. A Anã de Cassiopéia e a Anã de Pegasus estão mais longe de M31 que suas outras galáxias companheiras conhecidas, mas ainda aparecem vinculadas a ela pela gravidade. A galáxia tampouco contém quaisquer jovens, massivas estrelas ou mostra vestígios de formação estelar recente. Em vez disso, ambas parecem dominadas por estrelas muito antigas, com idades de até 10 bilhões de anos. Galáxias satélites de Andrômeda SEDS: Dwarf Spheroidal Galaxy Andromeda VII SIMBAD: And VII -- Galaxy in Group of Galaxies
  • 仙后座矮星系（也稱為仙女座 Ⅶ）位於仙后座，是一個距離258萬光年的矮橢球星系。仙后座矮星系是本星系群的成員，也是M31的衛星星系。 仙后座矮星系是在1998年與飛馬座矮橢球星系同時被前蘇聯和烏克蘭的一組天文學家發現的。仙后座矮星系與飛馬座矮橢球星系是已知的衛星星系中距離仙女座大星系最遠的，但仍然在其重力能掌握的區域內。這兩個星系內都沒有顯示出年輕的、大質量恆星形成的跡象；取代的是，似乎都以老年的，年齡達到100億歲的恆星為主。
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  • 12.9 (xsd:double)
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dbpprop:dec
dbpprop:distLy
  • 2.58 ± 0.13
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  • Cassiopeia Dwarf
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  • Andromeda VII, And VII, Cas dSph,, PGC 2807155
    Cassiopeia Dwarf Galaxy
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  • 2′.5 × 2′.0
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  • Sph?
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  • -307 ± 2 km/ s
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  • The Cassiopeia Dwarf (also known as Andromeda VII) is a dwarf spheroidal galaxy about 2.58 Mly away in the constellation Cassiopeia. The Cassiopeia Dwarf is part of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31). The Cassiopeia Dwarf was found in 1998, together with the Pegasus Dwarf, by a team of astronomers (Karachentsev and Kashibadze) in Russia and the Ukraine.
  • Andromeda VII ou Galaxie naine sphéroïdale de Cassiopée est une galaxie naine sphéroïdale qui fait partie de notre Groupe local. Elle fut découverte par une équipe d’astronomes russes et ukrainiens. Distante de 2,6 millions d’années-lumière du Système solaire, Andromeda VII est une galaxie satellite de la Galaxie d’Andromède.
  • Galaktyka karłowata Andromeda VII (zwana też Karłem Kasjopei) jest jedną z satelit galaktyki M31. Galaktyka ta znajduje się w gwiazdozbiorze Andromedy. Została odkryta przez ukraińskich i rosyjskich astronomów 1998 roku. Jest odległa od Słońca prawie 2,5 mln lat świetlnych. Galaktyka nie ma jeszcze oznaczenia katalogowego.
  • A Galáxia Anã de Cassiopéia (também conhecida como Andrômeda VII) é uma galáxia anã esferoidal a aproximadamente 2,58 milhões de anos-luz de distância na constelação de Cassiopeia. A Anã de Cassiopéia faz parte do Grupo Local de galáxias e é uma galáxia satélite da Galáxia de Andrômeda (M31). A Anã de Cassiopéia foi encontrada em 1998, juntamente com o Anã de Pegasus, por uma equipe de astrônomos (Karachentsev e Kashibadze) na Rússia e na Ucrânia.
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  • Cassiopeia Dwarf
  • Andromeda VII
  • Andromeda VII
  • Galáxia Anã de Cassiopéia
  • 仙女座 Ⅶ
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