HD 153950

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HD 153950
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
HIP 83547, SAO 227597, CD-43 11380, LTT 6814, GSC 07881-00474, 2MASS J17043086-4318351, PPM 322565
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[edit]

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]

The HD 153950 planetary system[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[edit]

References[edit]

External links[edit]

Coordinates: Sky map 17h 04m 30.871s, −43° 18′ 35.17″