Observation data Epoch J2000.0 Equinox J2000.0 | |
---|---|
Constellation | Ophiuchus |
Right ascension | 17h 04m 27.84s ± 5.62[1] |
Declination | −28° 34′ 57.64″ ± 3.16[1] |
Apparent magnitude (V) | 6.7258 ± 0.005[1] |
Characteristics | |
Spectral type | K0V |
B−V color index | 0.814 ± 0.034[1] |
Astrometry | |
Radial velocity (Rv) | 14.2972 ± 0.0003[2] km/s |
Proper motion (μ) | RA: 83.76 ± 0.64[1] mas/yr Dec.: -268.69 ± 0.36[1] mas/yr |
Parallax (π) | 56.06 ± 0.50 mas[1] |
Distance | 58.2 ± 0.5 ly (17.8 ± 0.2 pc) |
Absolute magnitude (MV) | 5.47 ± 0.02 |
Details | |
Mass | 0.97 ± 0.05[3] M☉ |
Radius | 0.95 ± 0.03[4] R☉ |
Luminosity | 0.68 +0.06 −0.05 (log -0.169 ± 0.033)[5] L☉ |
Surface gravity (log g) | 4.40 ± 0.11[3] cgs |
Temperature | 5423 ± 51[3] K |
Metallicity [Fe/H] | 0.31 ± 0.03[3] dex |
Rotation | 42.6 ± 4.4[6] |
Rotational velocity (v sin i) | 1.9 ± 0.5[5] km/s |
Age | 3 - 8[3] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
HD 154088 is a seventh magnitude metal-rich K-type main sequence star that lies approximately 58 light-years away in the constellation of Ophiuchus. The star is orbited by a hot Super-Earth.
van Leeuwen2007
was invoked but never defined (see the help page).Mayor2011
was invoked but never defined (see the help page).Fossati2013
was invoked but never defined (see the help page).Takeda2007
was invoked but never defined (see the help page).Valenti2005
was invoked but never defined (see the help page).Lovis2011
was invoked but never defined (see the help page).