Neutron star
The Double Pulsar
Also PSR J0737-3039A/B
The only known pair of neutron stars in which both have been seen as pulsars, orbiting each other every 2.4 hours.
Measured
- Distance
- about 2,397 light-years (published estimates 2,202–2,593)
- Constellation
- Puppis
- Position (J2000)
- RA 7h 37m 51s, Dec −30.66°
How far, from the Sun
About 2,400 light-years. To cross it:
- Light2,400 years
- Voyager 1's speed42.6 million years
- Driving at 100 km/h25.9 billion years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Facts
- It gives the most precise test yet of general relativity's description of gravitational waves, as of 2021.
How it was found
- It was discovered in 2003 with the Parkes radio telescope in Australia.
Where this comes from
- Kramer et al. 2021, Physical Review X 11, 041050 (735 ± 60 pc)
- This research has made use of the SIMBAD database, CDS, Strasbourg, France (Wenger et al. 2000, A&AS 143, 9).
- This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier).
Every catalogue Ouranos draws is credited on the credits page.