| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 03m 06.95s |
| Declination | –28° 33′ 38.3″ |
| Apparent magnitude (V) | 10.0 |
| Characteristics | |
| Spectral type | K3.5Vk: |
| Apparent magnitude (B) | 10.8 |
| Apparent magnitude (J) | 7.784 |
| Apparent magnitude (H) | 7.306 |
| Apparent magnitude (K) | 7.169 |
| B−V color index | 0.8 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | +7.2 km/s |
| Proper motion (μ) | RA: –32.48 mas/yr Dec.: –38.34 mas/yr |
| Parallax (π) | 26.33 ± 1.84 mas |
| Distance | 124 ± 9 ly (38 ± 3 pc) |
| Absolute magnitude (MV) | 7.1 |
| Details | |
| Mass | 0.80 M☉ |
| Metallicity | -0.18 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| NStED | data |
| Extrasolar Planets Encyclopaedia |
data |
HD 164604 is a K dwarf star in the Sagittarius constellation. It has a single gas giant planet detected by the Magellan Planet Search Program in 2010.
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| b | ≥2.7 ± 1.3 MJ | 1.3 ± 0.05 | 606.4 ± 9.0 | 0.24 ± 0.14 |