Map of the Universe

V404 Cygni

Black hole · Multiple system in the constellation Cygnus

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V404 Cygni
Picture: Andrew Beardmore (Univ. of Leicester) and NASA/Swift, Public domain, via Wikimedia Commons.

About V404 Cygni

V404 Cygni is about 7,795 light-years from the Sun, so the light we see from it left about 7,795 years ago.

It is 25,831 light-years from the centre of the Milky Way.

The map lists it as a black hole and shows it among the stars around the Sun, drawn on the plane of the Milky Way.

Key numbers

Distance7,795 light-years (2,390 pc)
Distance from the Galactic centre25,831 light-years
Galactic coordinatesl = 73.10°, b = -2.10°

Where it is

Its place in the universe, from the inside out: Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.

Zoom out to see it in context: Local Arm, a view about 12,000 light-years across.

From Wikipedia

V404 Cygni is a microquasar and a triple star 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, and an evolved tertiary component.

Excerpt from the Wikipedia article V404 Cygni, licensed CC BY-SA 4.0.

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