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- Sextans_B abstract "Sextans B (also known as UGC 5373 and DDO 70) is an irregular galaxy that may be part of the Local Group, or lie just beyond it. Sextans B is 4.44 million light-years away from Earth and thus is one of most distant members of the Local Group, if it is indeed a member. It forms a pair with its neighbouring galaxy Sextans A. It is a type Ir IV-V galaxy according to the galaxy morphological classification scheme. Sextans B may also be gravitationally associated with the galaxies NGC 3109 and the Antlia Dwarf.Sextans B has a uniform stellar population, but the interstellar medium in it may be inhomogeneous. Its mass is estimated to be about 2 × 108 times the mass of the Sun, of which 5.5 × 107 is in the form of atomic hydrogen. Star formation in the galaxy seems to have proceeded in distinct periods of low intensity, separated by shorter periods of no activity. The existence of Cepheid variables in the galaxy implies that Sextans B contains at least some young stars. The metallicity of Sextans B is rather low, with a value of approximately Z = 0.001. Sextans B is receding from the Milky Way with a speed of approximately 300 kilometres per second (190 mi/s), and probably lies just outside the edge of the Local Group, so as its neighbour Sextans A.Five planetary nebulae have been identified in Sextans B. It is one of the smallest galaxies in which planetary nebulae have been observed. These appear point-like and can be identified by their spectral emission lines. It also contains a massive globular cluster.".
- Sextans_B thumbnail Sextans_B_Hubble_WikiSky.jpg?width=300.
- Sextans_B wikiPageID "6849465".
- Sextans_B wikiPageRevisionID "602416242".
- Sextans_B appmagV "11.9".
- Sextans_B constellationName Sextans.
- Sextans_B distLy "4.44".
- Sextans_B epoch Epoch_(astronomy).
- Sextans_B hasPhotoCollection Sextans_B.
- Sextans_B name "Sextans B".
- Sextans_B names "UGC 5373, PGC 28913, DDO 70, Sex B".
- Sextans_B sizeV "5".
- Sextans_B type "ImIV-V".
- Sextans_B z "300".
- Sextans_B subject Category:Dwarf_galaxies.
- Sextans_B subject Category:Irregular_galaxies.
- Sextans_B subject Category:NGC_3109_subgroup.
- Sextans_B subject Category:PGC_objects.
- Sextans_B subject Category:Sextans_(constellation).
- Sextans_B subject Category:UGC_objects.
- Sextans_B type Abstraction100002137.
- Sextans_B type Collection107951464.
- Sextans_B type DwarfGalaxies.
- Sextans_B type Galaxy108270938.
- Sextans_B type Group100031264.
- Sextans_B type IrregularGalaxies.
- Sextans_B type CelestialBody.
- Sextans_B type Galaxy.
- Sextans_B type PhysicalBody.
- Sextans_B comment "Sextans B (also known as UGC 5373 and DDO 70) is an irregular galaxy that may be part of the Local Group, or lie just beyond it. Sextans B is 4.44 million light-years away from Earth and thus is one of most distant members of the Local Group, if it is indeed a member. It forms a pair with its neighbouring galaxy Sextans A. It is a type Ir IV-V galaxy according to the galaxy morphological classification scheme.".
- Sextans_B label "DDO 70".
- Sextans_B label "Sekstant B".
- Sextans_B label "Sextans B".
- Sextans_B label "Sextans B".
- Sextans_B label "Sextans B".
- Sextans_B label "Sextans B".
- Sextans_B label "Секстант B".
- Sextans_B label "六分儀座B".
- Sextans_B sameAs Sextans_B.
- Sextans_B sameAs DDO_70.
- Sextans_B sameAs Sextans_B.
- Sextans_B sameAs Sekstant_B.
- Sextans_B sameAs Sextans_B.
- Sextans_B sameAs m.0gsgfh.
- Sextans_B sameAs Q2746406.
- Sextans_B sameAs Q2746406.
- Sextans_B sameAs Sextans_B.
- Sextans_B wasDerivedFrom Sextans_B?oldid=602416242.
- Sextans_B depiction Sextans_B_Hubble_WikiSky.jpg.
- Sextans_B isPrimaryTopicOf Sextans_B.
- Sextans_B name "Sextans B".
- Sextans_B name "UGC 5373, PGC 28913, DDO 70, Sex B".