Neutron star
PSR B1919+21
Also CP 1919 · PSR J1921+2153 · LGM-1
The first pulsar ever discovered, a spinning neutron star that flashes every 1.337 seconds.
Measured
- Distance
- 980 light-years
- Constellation
- Vulpecula
- Position (J2000)
- RA 19h 21m 45s, Dec +21.88°
How far, from the Sun
980 light-years. To cross it:
- Light980 years
- Voyager 1's speed17.4 million years
- Driving at 100 km/h10.6 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 was jokingly labelled LGM-1, for 'little green men', before its natural origin was clear.
- Its pulses appear on the cover of Joy Division's 1979 album Unknown Pleasures.
How it was found
- Jocelyn Bell Burnell and Antony Hewish discovered it in 1967.
Where this comes from
- ATNF Pulsar Catalogue (0.30 kpc), Manchester et al. 2005, AJ 129, 1993
Every catalogue Ouranos draws is credited on the credits page.