M33: Stellar BH candidate M33 X-7



Credit: Illustration: NASA/CXC/M.Weiss; X-ray: NASA/CXC/CfA/P.Plucinsky et al.; Optical: NASA/STScI/SDSU/J.Orosz et al.

Chandra X-ray Observatory and Hubble Space Telescope images have been used to investigate this bright X-ray source in M33. The object is thought to be a stellar-mass black hole candidate, with a dark object of 16 solar masses in orbit around a star of about 70 solar masses.

Chandra Image:
http://chandra.harvard.edu/photo/2007/m33x7/
Chandra Press Release:
http://chandra.harvard.edu/press/07_releases/press_101707.html

SEDS M33 page:
http://www.seds.org/messier/m/m033.html

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