Cygnus X-1

American  

[eks-wuhn] / ˈɛksˈwʌn /

noun

Astronomy.

1. a strong x-ray source in the constellation Cygnus, consisting of a binary system of which one component may be a black hole.

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Example Sentences

The team directed a balloon-borne telescope known as XL-Calibur toward Cygnus X-1, a well-studied black hole located roughly 7,000 light-years away.

From Science Daily

A recent paper in The Astrophysical Journal features the latest results from the Cygnus X-1 observations and reports the most accurate measurement so far of the black hole's hard X-ray polarization.

From Science Daily

Krawczynski noted that the 2024 flight set multiple technical milestones, including detailed measurements of both Cygnus X-1 and the Crab pulsar.

From Science Daily

The first black hole ever discovered was Cygnus X-1, located within the Milky Way in the constellation of Cygnus, the Swan.

From Scientific American

A trio of studies in 2011 suggested Cygnus X-1 was located about 6,070 light-years from Earth, but the new research suggests the black hole is actually about 7,240 light-years away.

From Scientific American