Cassiopeia Dwarf [SEP] time of discovery
Cassiopeia Dwarf
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 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 Karachentseva) in Russia and Ukraine. The Cassiopeia Dwarf and the Pegasus Dwarf are farther from M31 than its other known companion galaxies, yet still appear bound
David Dunlap Observatory Catalogue
David Dunlap Observatory Catalogue, known as the DDO or A Catalogue of Dwarf Galaxies, is a catalogue of dwarf galaxies that was compiled by Sidney van den Bergh and published by the David Dunlap Observatory in 1959 (and later expanded in 1966).
Examples.
Examples DDO 3.
DDO 3 (also known as NGC 147, PGC 2004, UGC 326, LEDA 2004 or Caldwell 17) is a dwarf spheroidal galaxy which is located in the northern constellation of Cassiopeia, near the border of