NGC 4707 is an
irregular galaxy
An irregular galaxy is a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy. Irregular galaxies do not fall into any of the regular classes of the Hubble sequence, and they are often chaotic in appearance, ...
in the
constellation of
Canes Venatici
Canes Venatici () is one of the 88 constellations designated by the International Astronomical Union (IAU). It is a small northern constellation that was created by Johannes Hevelius in the 17th century. Its name is Latin for 'hunting dogs', and ...
. It was discovered by
John Herschel on 5 June 1834, and was described by
John Louis Emil Dreyer
John Louis Emil Dreyer (13 February 1852 – 14 September 1926) was a Danish astronomer who spent most of his career working in Ireland. He spent the last decade of his life in Oxford, England.
Life
Dreyer was born in Copenhagen. His fath ...
, the compiler of the
New General Catalogue, as a "small, stellar" galaxy.
NGC 4707 has a morphological type of Sm or Im, meaning that it is mostly irregular or has very weak
spiral arms
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work ''The Realm of the Nebulae''[Hubble Space Telescope
The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the first space telescope, but it is one of the largest and most vers ...]
in 2016. The image showed the galaxy had little to no signs of a central bulge or any prominent structures (typical of Magellanic-type spirals). However, the telescope could resolve many stars, as well as several turquoise-colored
s.
Gallery
NGC 4707 GALEX WikiSky.jpg, NGC 4707 by GALEX
Galaxy Evolution Explorer (GALEX or Explorer 83 or SMEX-7) was a NASA orbiting space telescope designed to observe the universe in ultraviolet wavelengths to measure the history of star formation in the universe. In addition to paving the way ...
NGC4707 - SDSS DR14.jpg, NGC 4707 (SDSS DR14)
References
External links
*
Irregular galaxies
4707
07971
043255
Canes Venatici
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