PSR J1544+4937 is a pulsar and gamma-ray source.[3] It is a millisecond pulsar with a very short rotation period of 2.1592 milliseconds and is characteristic age of 12.2 billion years old.[2] Additionally, it has a planet or brown dwarf known as PSR J1544+4937 b.[4]

The PSR J1544+4937 planetary system
Companion
(in order from star)		 Mass Semimajor axis
(AU)		 Orbital period
(days)		 Eccentricity Inclination
(°)		 Radius
b 18 MJ 0.00537 0.1207729895±0.0000000001 — — —

See also

References

  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. 1 2 3 4 Bhattacharyya, B.; Roy, J.; Ray, P. S.; Gupta, Y.; Bhattacharya, D.; Romani, R. W.; Ransom, S. M.; Ferrara, E. C.; Wolff, M. T.; Camilo, F.; Cognard, I.; Harding, A. K.; Den Hartog, P. R.; Johnston, S.; Keith, M.; Kerr, M.; Michelson, P. F.; Saz Parkinson, P. M.; Wood, D. L.; Wood, K. S. (2013). "GMRT Discovery of PSR J1544+4937: An Eclipsing Black-Widow Pulsar Identified with a Fermi -Lat Source". The Astrophysical Journal. 773 (1): L12. arXiv:1304.7101. Bibcode:2013ApJ...773L..12B. doi:10.1088/2041-8205/773/1/L12. S2CID 54772728.
  3. ↑ "SIMBAD query result". simbad.u-strasbg.fr. Retrieved 2021-01-17.
  4. ↑ "The Extrasolar Planet Encyclopaedia — PSR J1544+4937 b". Extrasolar Planets Encyclopaedia. Retrieved 2021-08-28.
source: https://en.wikipedia.org/wiki/PSR_J1544+4937