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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 the 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.Ursa Major 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 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 wikiPageLength "6397".
- Ursa_Major_II_Dwarf wikiPageOutDegree "33".
- Ursa_Major_II_Dwarf wikiPageRevisionID "678420497".
- Ursa_Major_II_Dwarf wikiPageWikiLink Apparent_magnitude.
- Ursa_Major_II_Dwarf wikiPageWikiLink Bellatrix.
- Ursa_Major_II_Dwarf wikiPageWikiLink Boötes_II_(dwarf_galaxy).
- Ursa_Major_II_Dwarf wikiPageWikiLink Canopus.
- Ursa_Major_II_Dwarf wikiPageWikiLink Category:Astronomical_objects_discovered_in_2006.
- Ursa_Major_II_Dwarf wikiPageWikiLink Category:Dwarf_spheroidal_galaxies.
- Ursa_Major_II_Dwarf wikiPageWikiLink Category:Local_Group.
- Ursa_Major_II_Dwarf wikiPageWikiLink Category:Milky_Way_Subgroup.
- Ursa_Major_II_Dwarf wikiPageWikiLink Category:Ursa_Major_(constellation).
- Ursa_Major_II_Dwarf wikiPageWikiLink Coma_Berenices_(dwarf_galaxy).
- Ursa_Major_II_Dwarf wikiPageWikiLink Constellation.
- Ursa_Major_II_Dwarf wikiPageWikiLink Dwarf_spheroidal_galaxy.
- Ursa_Major_II_Dwarf wikiPageWikiLink Effective_radius.
- Ursa_Major_II_Dwarf wikiPageWikiLink Epoch_(astronomy).
- Ursa_Major_II_Dwarf wikiPageWikiLink Globular_cluster.
- Ursa_Major_II_Dwarf wikiPageWikiLink Hydrogen_line.
- Ursa_Major_II_Dwarf wikiPageWikiLink Light-year.
- Ursa_Major_II_Dwarf wikiPageWikiLink Mass-to-light_ratio.
- Ursa_Major_II_Dwarf wikiPageWikiLink Milky_Way.
- Ursa_Major_II_Dwarf wikiPageWikiLink Orion_(constellation).
- Ursa_Major_II_Dwarf wikiPageWikiLink Parsec.
- Ursa_Major_II_Dwarf wikiPageWikiLink Segue_1.
- Ursa_Major_II_Dwarf wikiPageWikiLink Segue_2.
- Ursa_Major_II_Dwarf wikiPageWikiLink Sloan_Digital_Sky_Survey.
- Ursa_Major_II_Dwarf wikiPageWikiLink Solar_mass.
- Ursa_Major_II_Dwarf wikiPageWikiLink Star.
- Ursa_Major_II_Dwarf wikiPageWikiLink Universe.
- Ursa_Major_II_Dwarf wikiPageWikiLink Ursa_Major.
- Ursa_Major_II_Dwarf wikiPageWikiLink Ursa_Major_I_Dwarf.
- Ursa_Major_II_Dwarf wikiPageWikiLink Ursa_Minor_Dwarf.
- Ursa_Major_II_Dwarf wikiPageWikiLink Willman_1.
- Ursa_Major_II_Dwarf wikiPageWikiLinkText "Ursa Major II Dwarf".
- 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 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 wikiPageUsesTemplate Template:DEC.
- Ursa_Major_II_Dwarf wikiPageUsesTemplate Template:Infobox_Galaxy.
- Ursa_Major_II_Dwarf wikiPageUsesTemplate Template:Milky_Way.
- Ursa_Major_II_Dwarf wikiPageUsesTemplate Template:RA.
- Ursa_Major_II_Dwarf wikiPageUsesTemplate Template:Reflist.
- Ursa_Major_II_Dwarf wikiPageUsesTemplate Template:Sky.
- Ursa_Major_II_Dwarf subject Category:Astronomical_objects_discovered_in_2006.
- 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:Ursa_Major_(constellation).
- Ursa_Major_II_Dwarf hypernym Galaxy.
- Ursa_Major_II_Dwarf type CelestialBody.
- Ursa_Major_II_Dwarf type Galaxy.
- Ursa_Major_II_Dwarf type Place.
- Ursa_Major_II_Dwarf type Location.
- Ursa_Major_II_Dwarf type Place.
- Ursa_Major_II_Dwarf type Thing.
- Ursa_Major_II_Dwarf type Q318.
- 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 the 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 "Ursa Major II Dwarf".
- Ursa_Major_II_Dwarf sameAs Q33110.
- Ursa_Major_II_Dwarf sameAs Ursa_Major_II-dwergsterrestelsel.
- Ursa_Major_II_Dwarf sameAs Ursa-Major-II-Zwerggalaxie.
- Ursa_Major_II_Dwarf sameAs Ison_karhun_II_kääpiögalaksi.
- 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_왜소은하.
- 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 Большая_Медведица_II.
- Ursa_Major_II_Dwarf sameAs Veľký_voz.
- Ursa_Major_II_Dwarf sameAs Büyük_Ayı_Cüce_Galaksisi_II.
- Ursa_Major_II_Dwarf sameAs Q33110.
- Ursa_Major_II_Dwarf sameAs 大熊座II矮星系.
- Ursa_Major_II_Dwarf wasDerivedFrom Ursa_Major_II_Dwarf?oldid=678420497.
- 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".