NGC 6357

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Emission nebula
NGC 6357

Image of the emission nebula as part of the Digitized Sky Survey

Image of the emission nebula as part of the Digitized Sky Survey
AladinLite
Constellation Scorpio
Position
equinoxJ2000.0 , epoch : J2000.0
Right ascension 17 h 24 m 43.6 s
declination -34 ° 12 ′ 05 ″
Appearance

Angular expansion 25.0 ' 
Ionizing source
Physical data

distance  8000 ly
history

discovery John Herschel
Date of discovery June 8, 1837
Catalog names
 NGC  6357 •  ESO 392-SC10 • CED 142 • Sh2-11 • h 3682 • GC 4297

NGC 6357 is an emission nebula in the constellation Scorpio , which is 8,000 light years from the solar system. It is a star formation region near the center of the Milky Way and contains a multitude of hot, young stars as well as gas and dust clouds that are made to glow under the influence of ultraviolet radiation and stellar winds . Because of its appearance, this object is also called the Lobster Nebula .

Inside NGC  6357 is the open star cluster Pismis 24 .

The object was observed from South Africa on June 8, 1837 by the English astronomer John Herschel .

Web links

Individual evidence

  1. NASA / IPAC EXTRAGALACTIC DATABASE
  2. SEDS : NGC 6357
  3. The VLT takes a close look at NGC 6357
  4. http://www.astronews.com/news/artikel/2012/06/1206-028.shtml
  5. Seligman