| Observation data Epoch 2000 Equinox 2000 |
|
|---|---|
| Constellation | Lynx |
| Right ascension | 07h 46m 51.959s[1] |
| Declination | +39° 05′ 40.47″[1] |
| Apparent magnitude (V) | 12.1[1] |
| Characteristics | |
| Spectral type | G8V[1] |
| Apparent magnitude (V) | ~12.1[1] |
| Apparent magnitude (R) | ~11.95[1] |
| Apparent magnitude (J) | 10.774 ±0.019[1] |
| Apparent magnitude (H) | 10.443 ±0.021[1] |
| Apparent magnitude (K) | 10.345 ±0.018[1] |
| Astrometry | |
| Proper motion (μ) | RA: -32.4[1] mas/yr Dec.: -24.4[1] mas/yr |
| Distance | 831±42[2] ly (255 ±13[2] pc) |
| Details | |
| Mass | 0.88 ±0.03 M☉ |
| Radius | 1.06 ±0.05 R☉ |
| Temperature | 5510 ±44 K |
| Metallicity | 0.18 ±0.03 |
| Age | 8.5 ±0.8 × 109 years |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Extrasolar Planets Encyclopaedia |
data |
XO-5 is a yellow dwarf main sequence star located approximately 830 light-years away from Earth in the Lynx constellation. It has a magnitude of about 12 and cannot be seen with the naked eye but is visible through a small telescope.[1]
Contents |
The exoplanet XO-5b was discovered by the XO Telescope using the transit method in 2008. This planet is classified as a hot jupiter.[3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| XO-5b | 1.077 ±0.037 MJ | 0.0487 ±0.0006 | 4.1877539 ±8.4e-06 | 0 |