PSR J1951+1123 is a pulsar. This pulsar is notable due to its exceptionally long period, one of the longest known, with a period of 5.094 seconds and is characteristic age of 26.6 million years old.[2]

PSR J1951+1123
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila[1]
Right ascension 19h 51m 08.25s
Declination +11° 23 25.2
Characteristics
Spectral type Pulsar
Astrometry
Distance5,216 ly
(1,660 pc)
Details
Rotation5.0940830275 s
Age26.6 Myr
Other designations
PSR J1951+1123
Database references
SIMBADdata

References

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  1. Roman, Nancy G. (1987). "Identification of a constellation from a position". Publications of the Astronomical Society of the Pacific. 99 (617): 695. Bibcode:1987PASP...99..695R. doi:10.1086/132034. Constellation record for this object at VizieR.
  2. Young, M. D.; Manchester, R. N.; Johnston, S. (1999). "A radio pulsar with an 8.5-second period that challenges emission models". Nature. 400 (6747): 848. Bibcode:1999Natur.400..848Y. doi:10.1038/23650. S2CID 4358706.
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