# PSR B1919+21

> pulsar in the constellation Vulpecula

**Wikidata**: [Q1319958](https://www.wikidata.org/wiki/Q1319958)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/PSR_B1919+21)  
**Source**: https://4ort.xyz/entity/psr-b1919-21


## References

1. SIMBAD
2. VizieR
3. Freebase Data Dumps. 2013
4. On pulsar distance measurements and their uncertainties
5. Long-term timing observations of 374 pulsars