HD 168443
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Serpens |
| Right ascension | 18h 20m 03.9316s |
| Declination | –09° 35′ 44.601″ |
| Apparent magnitude (V) | 6.92 |
| Distance | 123.5 ly (37.88 pc) |
| Spectral type | G5IV |
| Other designations | |
| Database references | |
| SIMBAD | data |
| ARICNS | data |
HD 168443 is a yellow dwarf star of (spectral type G5) about the mass of the Sun. It is in the constellation of Serpens Cauda, 123 light years from the Solar System. It is known to be orbited by one large planet and a brown dwarf. The brown dwarf takes 30 times longer to orbit the star than the gas giant planet.[1][2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >7.696 ± 0.015[3] MJ | 0.29 | 58.116 ± 0.001 | 0.529 ± 0.02 | — | — |
| c | >17.378 ± 0.044[3] MJ | 2.87 | 1739.5 ± 3.8 | 0.228 ± 0.005 | — | — |
See also
References
External links
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