Draco II

Draco II / Leavens 4 is a dwarf satellite galaxy orbiting the Milky Way discovered by the Pan-STARRS1 3π survey in 2015.^[3] Currently, it is both one of the nearest and dimmest galaxies known to astronomers. Analysis of its stars' distribution in color–magnitude space show that Draco II is approximately 13.5 billion years old.^[2]

Draco II / Laevens 4
Photograph of the Draco II satellite galaxy.
Observation data (J2000 epoch)
Constellation	Draco
Right ascension	15h 52m 47.6s[1]
Declination	+64° 33′ 55″[1]
Distance	70.1±1.3 kly (21.5±0.4 kpc)[2]
Absolute magnitude (V)	−0.8+0.4 −1[2]
Characteristics
Type	dSph
Mass/Light ratio	2.7+0.5 −0.8[3] M☉/L☉
Size	324 ly
Other designations
Lae 4, Dra II