HD 164604
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sagittarius |
| Right ascension | 18h 03m 06.933s[1] |
| Declination | –28° 33′ 38.32″[1] |
| 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: -32.33 ± 2.04 mas/yr Dec.: -39.10 ± 0.96 mas/yr |
| Parallax (π) | 24.35 ± 1.76[1] mas |
| Distance | 134 ± 10 ly (41 ± 3 pc) |
| Absolute magnitude (MV) | 7.1 |
| Details | |
| Mass | 0.80 M☉ |
| Metallicity | -0.18 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | 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 | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | ≥2.7 ± 1.3 MJ | 1.3 ± 0.05 | 606.4 ± 9.0 | 0.24 ± 0.14 | — | — |
See also
References
- 1 2 3 van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry - ↑ Arriagada, Pamela; et al. (2010). "Five Long-period Extrasolar Planets in Eccentric orbits from the Magellan Planet Search Program". The Astrophysical Journal. 711 (2): 1229–35. arXiv:1001.4093. Bibcode:2010ApJ...711.1229A. doi:10.1088/0004-637X/711/2/1229.
Coordinates: 
18h 03m 06.95s, −28° 33′ 38.3″
This article is issued from Wikipedia - version of the 12/29/2014. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.