Draco Dwarf [SEP] time of discovery
Draco Dwarf
The Draco Dwarf is a spheroidal galaxy which was discovered by Albert George Wilson of Lowell Observatory in 1954 on photographic plates of the National Geographic Society's Palomar Observatory Sky Survey (POSS). It is part of the Local Group and a satellite galaxy of the Milky Way galaxy. The Draco Dwarf is situated in the direction of the Draco Constellation at 34.6° above the galactic plane.
Characteristics.
Paul W. Hodge analyzed the distribution of its stars in 1964 and concluded that its ellipticity was 0.29 ± 0.04
WISEPA J184124.74+700038.0
WISEPA J184124.74+700038.0 (designation is abbreviated to WISE 1841+7000) is a binary system of brown dwarfs of spectral classes T5 + T5, located in constellation Draco at approximately 131 light-years from Earth. It is notable for being one of the first known binary brown dwarf systems.
Discovery.
WISE 1841+7000 was discovered in 2011 from data, collected by Wide-field Infrared Survey Explorer (WISE) Earth-orbiting satellite — NASA infrared-wavelength 40 cm (