HD 153950
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Scorpius |
| Right ascension | 17h 04m 30.870s[1] |
| Declination | −43° 18′ 35.18″[1] |
| Apparent magnitude (V) | 7.38 |
| Characteristics | |
| Spectral type | F8V[2] |
| Apparent magnitude (B) | ~7.90[2] |
| Apparent magnitude (J) | 6.313 ±0.018[2] |
| Apparent magnitude (H) | 6.078 ±0.034[2] |
| Apparent magnitude (K) | 6.006 ±0.017[2] |
| Astrometry | |
| Radial velocity (Rv) | 30.7 ± 2[2] km/s |
| Proper motion (μ) | RA: 109.69 ± 1.08[1] mas/yr Dec.: −142.15 ± 0.68[1] mas/yr |
| Parallax (π) | 20.19 ± 0.70[1] mas |
| Distance | 162 ± 6 ly (50 ± 2 pc) |
| Details | |
| Mass | 1.12 ± 0.03 M☉ |
| Radius | 1.34 R☉ |
| Temperature | 6076 ± 13 K |
| Metallicity | -0.01 ±0.01 |
| Age | (4.3 ± 1) × 109 years |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| Extrasolar Planets Encyclopaedia |
data |
HD 153950 is a F type star that is hotter and larger than our Sun. It is located in the southern constellation Scorpius. It is a 7th magnitude star at a distance of about 188 light years from Earth.[2]
Planetary system
In October 2008, a planet of the star was discovered. This object was detected using the radial velocity method by search programs conducted using the HARPS spectrograph.[3]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | ≥2.73 ± 0.05 MJ | 1.28 ± 0.01 | 499.4 ± 3.6 | 0.34 ± 0.021 | — | — |
See also
References
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Coordinates: 
17h 04m 30.871s, −43° 18′ 35.17″
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