Sextans A

From Wikipedia, the free encyclopedia

Sextans A
Galaxy List of galaxies
Irregular galaxy Sextans A. The bright Milky Way foreground stars appear yellowish in this view. Beyond them lie the stars of Sextans A with young blue star clusters clearly visible.
Enlarge
Irregular galaxy Sextans A. The bright Milky Way foreground stars appear yellowish in this view. Beyond them lie the stars of Sextans A with young blue star clusters clearly visible.

Sextans A

Observation data
(Epoch J2000)
Constellation Sextans
Right ascension 10h 11m 00.8s[1]
Declination -04° 41′ 34″[1]
Redshift 324 ± 2 km/s[1]
Distance 4.31 Mly[2]
Type IBm[1]
Apparent dimensions (V) 5′.9 × 4′.9[1]
Apparent magnitude (V) 11.9[1]
Notable features -
Other designations
UGCA 205,[1] DDO 75,[1] PGC 29653[1]

Sextans A ( as known as UGCA 205 ), is a tiny dwarf[citation needed] irregular galaxy. It span is 5000 light-years across, and is located within the Local Group, 4.3 million light-years away from the Earth. Sextans A is one of most distant members of the Local Group.

[edit] References

  1. ^ a b c d e f g h i NASA/IPAC Extragalactic Database. Results for Sextans A. Retrieved on 2006-11-18.
  2. ^ Dolphin, Andrew E. et al (March 2003). "Deep Hubble Space Telescope Imaging of Sextans A. II. Cepheids and Distance". The Astronomical Journal 125: 1261.


In other languages