Astronomy and Space

HD 184738

HD 184738, also known as Campbell's Hydrogen Star, Campbell's Hydrogen Envelope Star, or simply Campbell's Star, is a variable Wolf–Rayet star in the constellation of Cygnus. It is the central star of the planetary nebula PK 064+05 1. It is also catalogued as BD+30°3639 and HIP 96295. The star is named after the American astronomer William Wallace Campbell, who discovered it in 1893.

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See also

• ▸Gravity assist
• ▸44th Infantry Division (Wehrmacht)
• ▸Gamma Velorum

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