M51-ULS-1
X-ray binary in the Whirlpool Galaxy
M51-ULS-1
M51-ULS-1, also known as RX J132943+47115, is a high-mass X-ray binary (HMXB) system in the constellation of Canes Venatici. The binary system is located in the Whirlpool Galaxy, a nearby spiral galaxy some 28 million light years (or 8.6 million parsecs) away. The binary system has an apparent visual magnitude of 24.01. The binary system was discovered in 1995 in a ROSAT survey of X-ray sources in the Whirlpool Galaxy and NGC 5195.
Read on Wikipedia · Image X-ray: NASA/CXC/SAO/R. DiStefano, et al.; Optical: NASA/ESA/STScI/Gendler; Illustration: NASA/CXC/M. Weiss, Public domain
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