Tag Archive for 'V404 Cygni'

An artist’s impression of V404 Cygni: the central black hole (black dot) is in the process of consuming a nearby star (orange body at left), while a second star (upper white flash) orbits at a much farther distance. Image credit: Jorge Lugo.

Black Hole-Hosting Binary V404 Cygni is Actually Part of Triple System, Astrophysicists Say

Oct 24, 2024 by News Staff

The well-studied V404 Cygni, an X-ray binary hosting a low-mass black hole, is part of a wide hierarchical triple with a tertiary companion at least 3,500...

This composite image features a spectacular set of eight separate concentric rings around a black hole in the V404 Cygni binary system, captured using NASA’s Chandra X-ray Observatory and Neil Gehrels Swift Observatory. The image also contains optical data from the Pan-STARRS telescope in Hawaii that show the stars in the field of view. Image credit: NASA / CXC / University of Wisconsin-Madison / Heinz et al. / Pan-STARRS.

Astronomers Spot Giant X-Ray Rings around Stellar-Mass Black Hole

Aug 9, 2021 by News Staff

Astronomers using NASA’s Chandra X-ray Observatory and Neil Gehrels Swift Observatory have detected a set of eight X-ray rings around a low-mass black...

An artist’s impression of the changing jet orientation in the V404 Cygni system; each segment (as separated by the clock hands) shows the jets at a different time, oriented in different directions as seen in our high angular resolution radio imaging. Image credit: ICRAR.

Astronomers See Rapidly Swinging Jets Coming from V404 Cygni

May 2, 2019 by News Staff

V404 Cygni is a binary system comprising a black hole and a star orbiting one another. It lies in the constellation Cygnus at a distance of about 7,800...

New Research Shows Black Holes Have Significantly Weaker Magnetic Fields than Originally Thought

Dec 8, 2017 by News Staff

A sudden flare from a low-mass black hole in the binary system V404 Cygni has offered astrophysicists a unique opportunity to make precise measurements...

Artist’s impression of a black hole feasting on matter from its companion star in a binary system. Image credit: ESA / ATG medialab.

Astronomers Spot Flashes of Red Light from V404 Cygni

Mar 15, 2016 by News Staff

Violent red flashes have been observed during the 2015 outburst of the nearby black-hole V404 Cygni. An artist’s impression of a black hole, similar...

V404 Cygni: Astronomers Detect Signs of Extraordinary Activity in Binary System

Jun 26, 2015 by News Staff

Astronomers using a fleet of orbiting telescopes, including ESA’s Integral satellite, NASA’s Swift satellite and the Japanese MAXI telescope, have...