Gum 29
28 of 118

Gum 29

March 31, 2003
Atlas Image mosaic, covering 16´ × 16´ on the sky, of the HII region Gum 29, aka RCW 49. This southern nebula of ionized hydrogen and other gases is lit up by the radiation from the hot, young stars in the compact cluster Westerlund 2, toward the center of the region. In the near-infrared we also see the nebula as reflected starlight and excited molecular hydrogen in the natal cloud from which the stars have very recently formed. Various gas filaments and dusty tendrils can be seen in Gum 29. 2001 May 2-8

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