| Pegasus Dwarf Spheroidal Galaxy | |
|---|---|
| Observation data (J2000 epoch) | |
| Constellation | Pegasus |
| Right ascension | 23h 51m 46.3s[1] |
| Declination | +24° 34′ 57″[1] |
| Redshift | -354 ± 3 km/s[1] |
| Distance | 2.7 ± 0.1 Mly (820 ± 20 kpc)[2][3] |
| Type | dSph[2] |
| Apparent dimensions (V) | 4′.0 × 2′.0[1] |
| Apparent magnitude (V) | 14.2[1] |
| Notable features | - |
| Other designations | |
| Pegasus II,[1] Andromeda VI,[1] Peg dSph,[1] KKH 99[1] | |
| See also: Galaxy, List of galaxies | |
The Pegasus Dwarf Spheroidal (also known as Andromeda VI or Peg dSph for short) is a dwarf spheroidal galaxy about 2.7 million light-years away in the constellation Pegasus. The Pegasus Dwarf is a member of the Local group of galaxies and a satellite galaxy of the Andromeda Galaxy (M31).
Contents |
Pegasus Dwarf Spheroidal is a galaxy with mainly metal-poor stellar populations. Its metallicity is [Fe/H] ≃ −1.3.[4] It is located at the right ascension 23h51m46.30s and declination +24d34m57.0s in the equatorial coordinate system (epoch J2000.0), and in a distance of 820 ± 20 kpc from Earth and a distance of 294 ± 8 kpc[a] from the Andromeda Galaxy.
Pegasus Dwarf Spheroidal was discovered in 1999[5] by various authors on the Second Palomar Sky Survey (POSS-II) films.