| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Norma |
| Right ascension | 16h 01m 50.348s[1] |
| Declination | -44° 26′ 04.33″[1] |
| Apparent magnitude (V) | 9.16 |
| Characteristics | |
| Spectral type | G6V[1] |
| Apparent magnitude (B) | ~9.93[1] |
| Apparent magnitude (V) | ~9.16[1] |
| Apparent magnitude (J) | 7.905 ±0.026[1] |
| Apparent magnitude (H) | 7.572 ±0.038[1] |
| Apparent magnitude (K) | 7.488 ±0.018[1] |
| Astrometry | |
| Radial velocity (Rv) | -1.5 ±0.7[1] km/s |
| Proper motion (μ) | RA: -156.54 ±1.32[1] mas/yr Dec.: -119.66 ±0.98[1] mas/yr |
| Parallax (π) | 16.85[1] ± 1.28[1] mas |
| Distance | 193.57 ly (59.35 pc) |
| Details | |
| Mass | 0.95 M☉ |
| Metallicity | 0.29 |
| Other designations | |
|
NLTT 41735, GEN# +1.00143361, HIP 78521, SAO 226454,
CD-44 10569, GSC 07863-01386, 2MASS J16015034-4426042, TYC 7863-1386-1, CPC 0 14297, HD 143361, PLX 3616, UBV 13569, CPD-44 7729, HIC 78521, PPM 321292, uvby98 100143361 |
|
| Database references | |
| SIMBAD | data |
| Extrasolar Planets Encyclopaedia |
data |
HD 143361 is a G type star in the southern constellation Norma. It is a 9th magnitude star at a distance of about 193 light years from Earth.[1]
Contents |
In October 2008 the planet HD 143361 b was reported to be orbiting this star. This object was detected using the radial velocity method during an astronomical survey conducted by the Magellan Planet Search Program using the MIKE echelle spectrograph on the 6.5-m Magellan II (Clay) telescope.[2]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity |
|---|---|---|---|---|
| HD 143361 b | 3.12 ±1.44 MJ | 2 | 1057 ±20 | 0.15 ±0.17 |