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GCIRS 8* (Galactic Centre IRS 8*) is a young massive star in the Galactic Center region, discovered in August 2006. IRS 8 is an infra-red source identified as a bowshock. The star causing the bowshock has been classified as an O5-O6 giant or supergiant several hundred thousand times as luminous as the sun. It is estimated to be 3.5 million years old, although if it is a binary then it would probably be older. The mass is estimated at 38 M.[1]


  1. ^ Geballe, T. R.; Najarro, F.; Rigaut, F.; Roy, J.‐R. (2006). "TheK‐Band Spectrum of the Hot Star in IRS 8: An Outsider in the Galactic Center?". The Astrophysical Journal. 652 (1): 370–375. Bibcode:2006ApJ...652..370G. doi:10.1086/507764. ISSN 0004-637X. 

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