V404 Cygni
Star system
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V404 Cygni is a microquasar and a binary system in the constellation of Cygnus. It contains a black hole with a mass of about 9 M☉ and an early K giant star companion with a mass slightly smaller than the Sun. The star and the black hole orbit... Wikipedia
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V404 Cygni is a microquasar and a binary system in the constellation of Cygnus. It contains a black hole with a mass of about 9 M ☉ and an early K giant ...
From what they learned, V404 Cygni was reclassified as one of a new class of X-ray transient sources called low mass X-ray binaries (LMXBs), x-ray emitting ...
Light echoes caused by a black hole. About 7,800 light years from Earth. The image combines X-ray data from Chandra & Swift and optical and infrared data from ...
Duration: 2:56
Posted: Aug 5, 2021
Posted: Aug 5, 2021
Nov 21, 2022 · Located about 7,800 light-years from Earth, V404 Cygni is a system that contains a black hole, with a mass between five and 10 times the Sun's, ...
Apr 29, 2019 · Here we report a rapidly changing jet orientation—on a time scale of minutes to hours—in the black-hole X-ray binary V404 Cygni, detected with ...
Aug 24, 2021 · It contains a 9-solar-mass black hole and a giant star. Light echoes, similar to sound echoes on Earth, are thought to create these rings. The ...
Abstract. We have obtained a K-band infrared light curve of the low-mass X -ray binary transient V404 Cygni. We model it as the ellipsoidal variation of a.
Jul 20, 2021 · Abstract:We revisit the well-studied outburst of the low mass X-ray binary (LMXB) system V404 Cygni, and claims of gamma-ray excesses ...
We model it as the ellipsoidal variation of a secondary star distorted in the gravitational field of a black hole, and thus deduce the inclination of the binary ...