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]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Bootes |
| Right ascension | 15h 44m 04.166s[1] |
| Declination | +49° 37′ 57.45″[1] |
| Characteristics | |
| Spectral type | Pulsar |
| Details | |
| Rotation | 2.15928839043289(5) ms[1] |
| Other designations | |
3FGL J1544.0+4938 | |
| Database references | |
| SIMBAD | data |
| Companion (in order from star) | Mass | Semimajor axis (AU) | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 18 MJ | 0.00537 | 0.1207729895±0.0000000001 | — | — | — |