Gliese 526
GJ 526 (Lalande 25372, Wolf 498) is a red dwarf star in the northern constellation of Boötes. It has an apparent visual magnitude of 8.5, which is too faint to be seen with the naked eye. Based upon an annual parallax shift of 0.184 arc seconds as measured by the Hipparcos satellite, this system is 17.7 light-years (5.43 parsecs) from Earth.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Boötes |
| Right ascension | 13h 45m 43.776s |
| Declination | +14° 53′ 29.47″ |
| Apparent magnitude (V) | 8.464 |
| Characteristics | |
| Spectral type | M1.5 V |
| U−B color index | +1.04 |
| B−V color index | +1.48 |
| Variable type | Flare |
| Astrometry | |
| Radial velocity (Rv) | +15.3 km/s |
| Proper motion (μ) | RA: +1,776.006 mas/yr Dec.: −1,455.156 mas/yr |
| Parallax (π) | 183.9962 ± 0.0253 mas |
| Distance | 17.726 ± 0.002 ly (5.4349 ± 0.0007 pc) |
| Details | |
| Mass | 0.28 M☉ |
| Radius | 0.582±0.021 R☉ |
| Luminosity | 0.011 L☉ |
| Surface gravity (log g) | 4.80 cgs |
| Temperature | 3,474±50 K |
| Metallicity [Fe/H] | –0.086 dex |
| Rotation | 52.3±1.7 d |
| Rotational velocity (v sin i) | 1.00 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Gliese 526 Location of Gliese 526 in the constellation Boötes | |
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