PSR J1544 4937

PSR J1544+4937
Observation data; Epoch J2000 Equinox J2000
Constellation	Bootes
Right ascension	15h 44m 04.166s
Declination	+49° 37′ 57.45″
Characteristics
Spectral type	Pulsar
Details
Rotation	2.15928839043289(5) ms
Other designations
	3FGL J1544.0+4938
Database references
SIMBAD	data

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
Companion (in order from star)	Mass	Semimajor axis (AU)	Orbital period (days)	Eccentricity	Inclination	Radius
b	18 $M$ _J	0.00537	0.1207729895±0.0000000001	—	—	—

References

^ ^a ^b ^c ^d 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.
^ "SIMBAD query result". simbad.u-strasbg.fr. Retrieved 2021-01-17.
^ "The Extrasolar Planet Encyclopaedia — PSR J1544+4937 b". Extrasolar Planets Encyclopaedia. Retrieved 2021-08-28.

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[Bhattacharya-1] 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.

[2] "SIMBAD query result". simbad.u-strasbg.fr. Retrieved 2021-01-17.

[3] "The Extrasolar Planet Encyclopaedia — PSR J1544+4937 b". Extrasolar Planets Encyclopaedia. Retrieved 2021-08-28.

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[2]

[3]

See also

References