Samiksha Jaiswal (Editor)

Pegasus Dwarf Spheroidal Galaxy

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Right ascension
  
23 51 46.3

Redshift
  
−354 ± 3 km/s

Apparent size (V)
  
4′.0 × 2′.0

Constellation
  
Declination
  
+24° 34′ 57″

Type
  
dSph

Magnitude
  
14.2

Apparent magnitude (V)
  
14.2

Pegasus Dwarf Spheroidal Galaxy httpsd1k5w7mbrh6vq5cloudfrontnetimagescache

Distance
  
2.7 ± 0.1 Mly (820 ± 20 kpc)

Similar
  
Cassiopeia Dwarf, Andromeda VIII, Pisces Dwarf, NGC 147, Cetus Dwarf

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 and a satellite galaxy of the Andromeda Galaxy (M31).

General information

The Pegasus Dwarf Spheroidal is a galaxy with mainly metal-poor stellar populations. Its metallicity is [Fe/H] ≃ −1.3. 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 from the Andromeda Galaxy.

The galaxy was discovered in 1999 by various authors on the Second Palomar Observatory Sky Survey (POSS II) films.

References

Pegasus Dwarf Spheroidal Galaxy Wikipedia