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Encyclopedia > NGC 1569

NGC 1569 is an irregular galaxy and dwarf galaxy in Camelopardalis that was discovered by William Herschel on November 4, 1788. An irregular galaxy is a galaxy that does not fall into the Hubble classification for galaxies. ... A dwarf galaxy is a small galaxy composed of up to several billion stars, a small number compared to our own Milky Ways 200-400 billion stars. ... Camelopardalis, Latin for giraffe, is the name of a large but faint northern constellation first recorded by Jakob Bartsch in 1624, but probably created earlier by Petrus Plancius. ... Sir Wilhelm Friedrich Herschel (Hanover, November 15, 1738 – August 25, 1822 Slough, then in Buckinghamshire now in Berkshire) was a German-born British astronomer and composer who became famous for discovering the planet Uranus, and made many other astronomical discoveries. ...

NGC 1569
Observation data
(Epoch J2000.0)
Type Irr
Right ascension 4h 30.8m
Declination +64° 51′
Distance 7 million ly
Apparent magnitude (V) +11.2
Apparent dimensions (V) 2.9 × 1.5 arcmins
Constellation Camelopardalis constellation
Physical characteristics
Radius unknown
Absolute magnitude (V) Unknown
Notable features had an onset of star births about 25 million years ago
Other designations None

  Results from FactBites:
NGC 1569 - Wikipedia, the free encyclopedia (305 words)
NGC 1569 is an irregular galaxy and dwarf galaxy in Camelopardalis that was discovered by William Herschel on November 4, 1788.
While this faint galaxy is not a popular amateur astronomy target, it is well studied by professional astronomers, who are interested in the history of star formation within the galaxy.
These results, along with the results from other dwarf galaxies such as the Large Magellanic Cloud and NGC 1705, demonstrate that star formation in dwarf galaxies does not occur continuously but instead occurs in a series of short, nearly instantaneous bursts.
The post-starburst dwarf galaxy NGC 1569 (1259 words)
NGC 1569 is a nearby (2.2 Mpc) dwarf galaxy, probably a member of the IC 342 group.
The distribution of atomic hydrogen in NGC 1569 is dominated by clumpy ridge with a high column density on the northern side of the galaxy.
The optical spectrum of NGC 1569 resembles that of a Galactic HII region.
  More results at FactBites »



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