HD 189567
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Pavo[1] |
| Right ascension | 20h 05m 32.7652367983s[2] |
| Declination | −67° 19′ 15.228862402″[2] |
| Apparent magnitude (V) | 6.07[2] |
| Characteristics | |
| Evolutionary stage | Main sequence |
| Spectral type | G2V[2] |
| Apparent magnitude (U) | 6.79[2] |
| Apparent magnitude (B) | 6.71[2] |
| Apparent magnitude (V) | 6.07[2] |
| Apparent magnitude (J) | 4.97[2] |
| Apparent magnitude (H) | 4.724±0.076[2] |
| Apparent magnitude (K) | 4.511±0.026[2] |
| Astrometry | |
| Radial velocity (Rv) | −10.548±0.0003[2] km/s |
| Proper motion (μ) | RA: 845.346[2] mas/yr Dec.: -674.028[2] mas/yr |
| Parallax (π) | 55.8197 ± 0.0381 mas[2] |
| Distance | 58.43 ± 0.04 ly (17.91 ± 0.01 pc) |
| Details | |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 189567 is a G2V star located 58.4 light years away, in the constellation of Pavo.[3] At least one exoplanet has been discovered around the star: HD 189567 b.[4] This exoplanet has an estimated minimum mass of 10 Earth masses, which means that it is most likely a mini-Neptune.[5] It has an orbital period of 14.3 days, placing it well interior to the habitable zone of the star system.[6] The star HD 189567 is also known as Gliese 776, CD-67 2385, and HR 7644.[7]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | ≥10.03±1.04 M🜨 | 0.1099±0.0018 | 14.275±0.005 | 0.23±0.14 | — | — |
References
- ^ Staff (2 August 2008). "Finding the constellation which contains given sky coordinates". DJM.cc. Retrieved 2 January 2021.
- ^ a b c d e f g h i j k l m n o "HD 189567 -- High proper-motion Star". SIMBAD. Centre de Données astronomiques de Strasbourg. Retrieved 2 January 2021.
- ^ "HD 189567".
{{cite web}}: CS1 maint: url-status (link) - ^ a b Mayor, M.; et al. (12 September 2011). "The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets". arXiv:1109.2497 [astro-ph].
- ^ "The Habitable Exoplanets Catalog - Planetary Habitability Laboratory @ UPR Arecibo". phl.upr.edu. Retrieved 2020-12-16.
- ^ "The Extrasolar Planet Encyclopaedia — HD 189567 b". exoplanet.eu. Retrieved 2020-12-16.
- ^ "G stars within 100 light-years". www.solstation.com. Retrieved 2020-12-16.
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