Astrophysics (Index)About

Triangulum Galaxy

(M33, Messier 33, NGC 598)
(small spiral galaxy in the Local Group)

The Triangulum Galaxy (M33, Messier 33, or NGC 598) is a spiral galaxy about two and a half million light-years away. It is one of the most distant objects visible by the naked eye, with an apparent magnitude of 5.72. It is estimated to have 40 billion stars, is 60,000 light-years across and is the third largest galaxy of the Local Group after Andromeda and the Milky Way, which are also the only spiral galaxies of the Local Group. Characteristics:


(galaxy,Local Group,spiral)
Further reading:
http://en.wikipedia.org/wiki/Messier_33
RedshiftParsecs
/Distance
Lightyears
/Lookback Years
  
.0002840kpc2.73MlyTriangulum Galaxy
PrefixExample  
M33m33-013406.63M33 star
Coordinates:M33
J013350.02+303936.7

Referenced by pages:
luminous blue variable (LBV)
Large Magellanic Cloud (LMC)
Local Group (LG)
Messier Catalog (M)
PAndAS
spiral galaxy

Index