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- Ursa_Major_II_Dwarf abstract "Ursa Major II Dwarf (UMa II dSph) is a dwarf spheroidal galaxy situated in the Ursa Major constellation and discovered in 2006 in the data obtained by Sloan Digital Sky Survey. The galaxy is located approximately 30 kpc from the Sun and moves towards the Sun with the velocity of about 116 km/s. It is classified as a dwarf spheroidal galaxy (dSph) meaning that it has an elliptical (ratio of axes ~ 2:1) shape with the half-light radius of about 140 pc.Uma II is one of the smallest and faintest satellites of the Milky Way—its integrated luminosity is about 4000 times that of the Sun (absolute visible magnitude of about −4.2), which is much lower than the luminosity of the majority of globular clusters. Uma II is even less luminous than some stars, like Canopus in the Milky Way. It is comparable in luminosity to Bellatrix in Orion. However, its mass is about 5 million solar masses, which means that galaxy's mass to light ratio is around 2000. This is may be an overestimate as the galaxy has somewhat irregular shape and may be in process of tidal disruption.The stellar population of Uma II consists mainly of old stars formed at least 10 billion years ago. The metallicity of these old stars is also very low at [Fe/H] ≈ −2.44 ± 0.06, which means that they contain 300 times less heavy elements than the Sun. The stars of Uma II were probably among the first stars to form in the Universe. Currently there is no star formation in Uma II. The measurements have so far failed to detect any neutral hydrogen in it—the upper limit is only 562 solar masses.".
- Ursa_Major_II_Dwarf wikiPageID "16797206".
- Ursa_Major_II_Dwarf wikiPageRevisionID "587100060".
- Ursa_Major_II_Dwarf appmagV "14.3".
- Ursa_Major_II_Dwarf constellationName Ursa_Major.
- Ursa_Major_II_Dwarf distLy "98".
- Ursa_Major_II_Dwarf epoch Epoch_(astronomy).
- Ursa_Major_II_Dwarf hasPhotoCollection Ursa_Major_II_Dwarf.
- Ursa_Major_II_Dwarf name "Ursa Major II Dwarf Galaxy".
- Ursa_Major_II_Dwarf names "UMa II galaxy, Ursa Major II Dwarf".
- Ursa_Major_II_Dwarf sizeV "32".
- Ursa_Major_II_Dwarf type "dSph".
- Ursa_Major_II_Dwarf subject Category:Dwarf_spheroidal_galaxies.
- Ursa_Major_II_Dwarf subject Category:Local_Group.
- Ursa_Major_II_Dwarf subject Category:Milky_Way_Subgroup.
- Ursa_Major_II_Dwarf subject Category:Objects_within_100_kly_of_Earth.
- Ursa_Major_II_Dwarf subject Category:Ursa_Major_(constellation).
- Ursa_Major_II_Dwarf type Abstraction100002137.
- Ursa_Major_II_Dwarf type Collection107951464.
- Ursa_Major_II_Dwarf type DwarfSpheroidalGalaxies.
- Ursa_Major_II_Dwarf type Galaxy108270938.
- Ursa_Major_II_Dwarf type Group100031264.
- Ursa_Major_II_Dwarf type CelestialBody.
- Ursa_Major_II_Dwarf type Galaxy.
- Ursa_Major_II_Dwarf type PhysicalBody.
- Ursa_Major_II_Dwarf comment "Ursa Major II Dwarf (UMa II dSph) is a dwarf spheroidal galaxy situated in the Ursa Major constellation and discovered in 2006 in the data obtained by Sloan Digital Sky Survey. The galaxy is located approximately 30 kpc from the Sun and moves towards the Sun with the velocity of about 116 km/s.".
- Ursa_Major_II_Dwarf label "Galassia Nana Ursa Major II".
- Ursa_Major_II_Dwarf label "Galáxia Anã da Ursa Maior II".
- Ursa_Major_II_Dwarf label "Karzeł Wielkiej Niedźwiedzicy II".
- Ursa_Major_II_Dwarf label "Ursa Major II Dwarf".
- Ursa_Major_II_Dwarf label "Ursa Major II".
- Ursa_Major_II_Dwarf label "Ursa-Major-II-Zwerggalaxie".
- Ursa_Major_II_Dwarf label "Большая Медведица II (карликовая галактика)".
- Ursa_Major_II_Dwarf label "おおぐま座矮小銀河II".
- Ursa_Major_II_Dwarf label "大熊座II矮星系".
- Ursa_Major_II_Dwarf sameAs Ursa-Major-II-Zwerggalaxie.
- Ursa_Major_II_Dwarf sameAs Ursa_Major_II.
- Ursa_Major_II_Dwarf sameAs Galassia_Nana_Ursa_Major_II.
- Ursa_Major_II_Dwarf sameAs おおぐま座矮小銀河II.
- Ursa_Major_II_Dwarf sameAs 큰곰자리_II_왜소_은하.
- Ursa_Major_II_Dwarf sameAs Karzeł_Wielkiej_Niedźwiedzicy_II.
- Ursa_Major_II_Dwarf sameAs Galáxia_Anã_da_Ursa_Maior_II.
- Ursa_Major_II_Dwarf sameAs m.0406hl9.
- Ursa_Major_II_Dwarf sameAs Q33110.
- Ursa_Major_II_Dwarf sameAs Q33110.
- Ursa_Major_II_Dwarf sameAs Ursa_Major_II_Dwarf.
- Ursa_Major_II_Dwarf wasDerivedFrom Ursa_Major_II_Dwarf?oldid=587100060.
- Ursa_Major_II_Dwarf isPrimaryTopicOf Ursa_Major_II_Dwarf.
- Ursa_Major_II_Dwarf name "UMa II galaxy, Ursa Major II Dwarf".
- Ursa_Major_II_Dwarf name "Ursa Major II Dwarf Galaxy".