HD 27894
From Infogalactic: the planetary knowledge core
Observation data Epoch J2000.0 Equinox J2000.0 |
|
---|---|
Constellation | Reticulum |
Right ascension | 04h 20m 47.04716s[1] |
Declination | –59° 24′ 39.0184″[1] |
Apparent magnitude (V) | 9.42 |
Characteristics | |
Spectral type | K2 V[2] |
U−B color index | +0.90[3] |
B−V color index | +1.005[3] |
Astrometry | |
Proper motion (μ) | RA: +182.16[1] mas/yr Dec.: +271.77[1] mas/yr |
Parallax (π) | 22.79 ± 0.85[1] mas |
Distance | 143 ± 5 ly (44 ± 2 pc) |
Details | |
Mass | 0.86 ± 0.06[4] M☉ |
Surface gravity (log g) | 4.54 ± 0.05[4] cgs |
Temperature | 4920 ± 45[4] K |
Metallicity [Fe/H] | +0.20[5] dex |
Age | 7.7 ± 2.3[4] years |
Other designations | |
HD 27894 is a 9th magnitude star located approximately 138 light years away in the constellation of Reticulum. It is an orange dwarf (spectral type K2V), a type dimmer and cooler than our Sun.
In 2005, the Geneva Extrasolar Planet Search Team announced some of the discoveries of an extrasolar planet orbiting the star.[6]
Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
---|---|---|---|---|---|---|
b | >0.62 MJ | 0.122 | 17.991 ± 0.007 | 0.049 ± 0.008 | — | — |
See also
References
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External links
Coordinates: 04h 20m 47.0473s, −59° 24′ 39.014″
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