Astronomy:PSR J1544+4937

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Short description: Pulsar
PSR J1544+4937
Observation data
Equinox J2000.0]] (ICRS)
Constellation Bootes
Right ascension  15h 44m 04.166s[1]
Declination +49° 37′ 57.45″[1]
Spectral type Pulsar
Rotation2.15928839043289(5) ms[1]
Other designations
3FGL J1544.0+4938
Database references

PSR J1544+4937 is a pulsar and gamma-ray source.[2] A millisecond pulsar, it has a very short rotation period of 2.16 milliseconds.[1] It has a planet or brown dwarf, PSR J1544+4937 b.[3]

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

See also


  1. 1.0 1.1 1.2 1.3 Bhattacharyya, B.; Roy, J.; Ray, P. S.; Gupta, Y.; Bhattacharya, D.; Romani, R. W.; Ransom, S. M.; Ferrara, E. C. et al. (2013). "GMRT Discovery of PSR J1544+4937: An Eclipsing Black-Widow Pulsar Identified with a Fermi -Lat Source". The Astrophysical Journal 773 (1): L12. doi:10.1088/2041-8205/773/1/L12. Bibcode2013ApJ...773L..12B. 
  2. "SIMBAD query result". 
  3. "The Extrasolar Planet Encyclopaedia — PSR J1544+4937 b". Extrasolar Planets Encyclopaedia.