Andromeda
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Pulsar

J2046+1540

Open in Ouranos

A spinning neutron star sweeping a radio beam past us; its distance measured by parallax.

Measured

Distance
about 10,502 light-years

How far, from the Sun

About 10,500 light-years. To cross it:

  • Light10,500 years
  • Voyager 1's speed187 million years
  • Driving at 100 km/h113 billion years

Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.

Facts

  • About 11,000 light-years away (± 2,800).

Where this comes from

  • Pulsar distances: Deller et al. 2019, ApJ 875, 100 (PSRπ, VLBA parallaxes). Magnetars: Olausen & Kaspi 2014, ApJS 212, 6, via the VizieR catalogue access tool, CDS, Strasbourg (DOI 10.26093/cds/vizier).

Every catalogue Ouranos draws is credited on the credits page.