Swift J1745-26
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Sagittarius |
| Right ascension | |
| Declination | |
| Details | |
Swift J1745-26 is a stellar-mass black hole located a few degrees from the center of the Milky Way galaxy toward the constellation Sagittarius.[1] It was discovered by NASA's Swift satellite on September 16, 2012 due to the detection of an X-ray nova.[1] The pattern of X-rays from the nova indicated that the central object was a black hole. Its name arises from the coordinates of its sky position. While astronomers do not know its precise distance, they think the object resides about 20,000 to 30,000 light-years away in the galaxy's inner region.[1] Ground-based observatories have detected infrared and radio emissions from Swift J1745-26, but thick clouds of obscuring dust have prevented astronomers from catching Swift J1745-26 in visible light.[1]
Swift J1745-26 must be a member of a low-mass X-ray binary (LMXB) system, which includes a normal, sun-like star.[1]
References
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