HD 164604

HD 164604
Observation data
Epoch J2000      Equinox J2000
Constellation Sagittarius
Right ascension 18h 03m 06.933s[1]
Declination –28° 33′ 38.32″[1]
Apparent magnitude (V) 9.83[2]
Characteristics
Spectral type K3.5Vk:
Apparent magnitude (B) 10.88[2]
Apparent magnitude (J) 7.784[3]
Apparent magnitude (H) 7.306[3]
Apparent magnitude (K) 7.169[3]
B−V color index 0.8
Astrometry
Radial velocity (Rv)+6.30 ± 0.6[4] km/s
Proper motion (μ) RA: -32.33[1] mas/yr
Dec.: -39.10[1] mas/yr
Parallax (π)24.35 ± 1.76[1] mas
Distance134 ± 10 ly
(41 ± 3 pc)
Absolute magnitude (MV)7.1
Details
Mass0.80 M☉
Metallicity-0.18
Other designations
CD–28° 14058, HIP 88414, PPM 267742, SAO 186165[5]
Database references
SIMBADdata
Exoplanet Archivedata
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.

The HD 164604 planetary system[6]
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. 1 2 3 4 5 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
  2. 1 2 Høg, E.; et al. (2000). "The Tycho-2 catalogue of the 2.5 million brightest stars". Astronomy and Astrophysics. 355: L27–L30. Bibcode:2000A&A...355L..27H.
  3. 1 2 3 Cutri, R. M.; et al. (2003). "2MASS All-Sky Catalog of Point Sources". VizieR On-line Data Catalog. Bibcode:2003yCat.2246....0C.
  4. ↑ Gontcharov, G. A. (2006). "Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system". Astronomy Letters. 32 (11): 759–771. arXiv:1606.08053. Bibcode:2006AstL...32..759G. doi:10.1134/S1063773706110065.
  5. ↑ "HD 164604". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 5 February 2018.
  6. ↑ 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″

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