| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Scorpius |
| Right ascension | 16h 11m 36.445s[1] |
| Declination | -27° 04′ 41.42″[1] |
| Apparent magnitude (V) | 8.13 |
| Characteristics | |
| Spectral type | G3V[1] |
| Apparent magnitude (B) | ~8.71[1] |
| Apparent magnitude (J) | 7.014 ±0.018[1] |
| Apparent magnitude (H) | 6.797 ±0.040[1] |
| Apparent magnitude (K) | 6.706 ±0.018[1] |
| Astrometry | |
| Radial velocity (Rv) | 11.1 ±0.2 km/s |
| Proper motion (μ) | RA: 20.29 ±1.28[1] mas/yr Dec.: 14.42 ±0.86[1] mas/yr |
| Parallax (π) | 18.12[1] ± 1.10[1] mas |
| Distance | 188 ±9.7 ly (57.7 ±3 pc) |
| Details | |
| Mass | 1.12 ±0.03 M☉ |
| Radius | 1.14 R☉ |
| Temperature | 6046 ±15 K |
| Metallicity | 0.12 ±0.01 |
| Age | (1.3 ± 1) × 109 years |
| Other designations | |
|
HIP 79346, GSC 06801-00585, PPM 265238, YZ 116 11366,
CD-26 11249, HD 145377, SAO 184208, CPD-26 5613, HIC 79346, TYC 6801-585-1, GC 21758, 2MASS J16113644-2704414, uvby98 100145377 |
|
| Database references | |
| SIMBAD | data |
| NStED | data |
| Extrasolar Planets Encyclopaedia |
data |
HD 145377 is a G type star that is a little hotter and a little larger than our Sun. It is located in the southern constellation Scorpius. It is a 8th magnitude star at a distance of about 188 light years from Earth.[1]
Contents |
In October 2008 an extrasolar planet, HD 145377 b, was reported to be orbiting this star. This object was detected using the radial velocity method by search programs conducted using the HARPS spectrograph.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| HD 145377 b | ≥5.76 ±0.1 MJ | 0.45 ±0.004 | 103.95 ±0.13 | 0.307 ±0.017 |