Map of the Universe
RX J1856.5-3754
Neutron star · Star in the constellation Corona Australis
About RX J1856.5-3754
RX J1856.5-3754 is about 401 light-years from the Sun, so the light we see from it left about 401 years ago.
It is 26,613 light-years from the centre of the Milky Way.
The map lists it as a neutron star and shows it among the stars around the Sun, drawn on the plane of the Milky Way.
The nearest known neutron star.
Key numbers
| Distance | 401 light-years (123 pc) |
|---|---|
| Distance from the Galactic centre | 26,613 light-years |
| Galactic coordinates | l = 358.60°, b = -17.20° |
Where it is
Its place in the universe, from the inside out: Local Bubble › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: 1,000 light-years, a view about 2,400 light-years across.
From Wikipedia
RX J1856.5−3754 is a neutron star in the constellation Corona Australis. At approximately 400 light-years from Earth, it is the closest neutron star discovered to date.
Excerpt from the Wikipedia article RX J1856.5−3754, licensed CC BY-SA 4.0.