Gliese 849
From Infogalactic: the planetary knowledge core
(Redirected from Gliese 849 c)
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 9m 40.343s[1] |
| Declination | –4° 38′ 26.62″[1] |
| Apparent magnitude (V) | 10.42 |
| Characteristics | |
| Spectral type | M3.5V |
| U−B color index | 1.13 |
| B−V color index | 1.51 |
| V−R color index | 1.11 |
| R−I color index | 1.41 |
| Astrometry | |
| Radial velocity (Rv) | −12 ± 5 km/s |
| Proper motion (μ) | RA: 1130.27 ± 2.56[1] mas/yr Dec.: -19.27 ± 1.33[1] mas/yr |
| Parallax (π) | 109.94 ± 2.07[1] mas |
| Distance | 29.7 ± 0.6 ly (9.1 ± 0.2 pc) |
| Absolute magnitude (MV) | 10.70 |
| Details | |
| Mass | 0.36 M☉ |
| Radius | 0.52 ± 0.07 R☉ |
| Luminosity | 0.029 L☉ |
| Surface gravity (log g) | 4.66 cgs |
| Temperature | 3,601 ± 19[2] K |
| Metallicity | +0.31 ± 0.17[2] |
| Rotation | 39.2±6.3 d[3] |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| ARICNS | data |
| Planet | |
| Gliese 849b | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
Gliese 849 is a red dwarf star approximately 29 light years away in the constellation of Aquarius.
Planetary system
In August 2006, a first long-period Jupiter-like planet was found orbiting the red dwarf at a distance of 2.35 astronomical units, taking 1890 days to orbit with a low eccentricity.[4]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >0.82 MJ | 2.35 | 1890 ± 130 | 0.06 ± 0.09 | — | — |
| c | 0.77 MJ | 5.1182 | 7049.0 | 0.218 | — | — |
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.Vizier catalog entry
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found. See table 3.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
External links
- Lua error in package.lua at line 80: module 'strict' not found.
- Lua error in package.lua at line 80: module 'strict' not found.
- Lua error in package.lua at line 80: module 'strict' not found.
Coordinates: 
22h 09m 40.3460s, −4° 38′ 26.624″
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