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Anne’s Image of the Day: Dwarf Galaxy ESO 540-031

25 Apr 2014, 14:25 UTC
Anne’s Image of the Day: Dwarf Galaxy ESO 540-031
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April 25, 2014 ESO 540-031, a dwarf irregular galaxy in Cetus Image Credit: ESA/Hubble & NASA Acknowledgement: Luca Limatola ESO 540-031 (also known as DDO 6 and UGCA 15) is a dwarf irregular galaxy of 6,800 x 3,800 light-years in diameter, located about 11.25 million light-years away from Earth in the constellation of Cetus (the [continue reading]

April 25, 2014
ESO 540-031, a dwarf irregular galaxy in Cetus

Image Credit: ESA/Hubble & NASA
Acknowledgement: Luca Limatola
ESO 540-031 (also known as DDO 6 and UGCA 15) is a dwarf irregular galaxy of 6,800 x 3,800 light-years in diameter, located about 11.25 million light-years away from Earth in the constellation of Cetus (the Whale), while is is receding from us at approximately 295 kilometers per second.
This dwarf galaxy is a member of the Sculptor Group, a loose group of some 13 galaxies near the south galactic pole. The group is one of the closest groups of galaxies to the Local Group, of which our Milky Way galaxy is a member; the distance to the center of the group from the Milky Way is some 12.7 million light-years.
Dwarf galaxies are among the smaller and dimmer members of the galactic family, ...

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