NGC6164 - Gemini0605a
NGC 6164-5 imaged at Gemini South. The emission nebula NGC 6164-5 is a rectangular, bipolar cloud with rounded corners and a diagonal bar producing an inverted S-shaped appearance. It lies about 1,300 parsecs (4,200 light-years) away in the constellation Norma. The nebula measures about 1.3 parsecs (4.2 light-years) across, and contains gases ejected by the star HD 148937 at its heart. This star is 40 times more massive than the Sun, and at about three to four million years of age, is past the middle of its life span. Stars this massive usually live to be only about six million years old, so HD 148397 is aging fast. It will likely end its life in a violent supernova explosion.
Credit:
International Gemini Observatory
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NGC 6164NGC 6164 und NGC 6165 bezeichnen die beiden hellen Strahlungskeulen eines 6,7 mag hellen bipolaren Emissionsnebels im Sternbild Winkelmaß, der etwa 1236 Parsec von der Erde entfernt ist. Er wurde am 1. Juli 1834 von John Herschel mit einem 18-Zoll-Spiegelteleskop entdeckt, der dabei „Neb violently suspected immediately preceding a double star“ notierte. .. weiterlesen