HD 4113
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Birth and death years unknown
HD 4113 is a double star system in the southern constellation of Sculptor. It is too faint to be viewed with the naked eye, having an apparent visual magnitude of 7.88. The distance to this star, as estimated by parallax measurements, is 137 light years. It is receding away from the Sun with a radial velocity of +5 km/s.
* Calculated from Wikipedia data.
Accuracy is not guaranteed.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Sculptor |
| HD 4113 A | |
| Right ascension | 00 43 12.59559 |
| Declination | −37° 58′ 57.4777″ |
| Apparent magnitude (V) | 7.880±0.013 |
| HD 4113 B | |
| Right ascension | 00 43 11.89423 |
| Declination | −37° 58′ 09.1687″ |
| Apparent magnitude (V) | 12.70±0.02 |
| Characteristics | |
| Spectral type | G5V and M0–1V |
| B−V color index | 0.716±0.003 |
| Astrometry | |
| HD 4113 A | |
| Radial velocity (Rv) | 5.05±0.12 km/s |
| Proper motion (μ) | RA: 49.412±0.016 mas/yr Dec.: −114.290±0.024 mas/yr |
| Parallax (π) | 23.8256±0.0240 mas |
| Distance | 136.9 ± 0.1 ly (41.97 ± 0.04 pc) |
| Absolute magnitude (MV) | 4.780±0.046 |
| HD 4113 B | |
| Radial velocity (Rv) | 4.44±0.39 km/s |
| Proper motion (μ) | RA: 53.733±0.022 mas/yr Dec.: −113.983±0.032 mas/yr |
| Parallax (π) | 23.9023±0.0327 mas |
| Distance | 136.5 ± 0.2 ly (41.84 ± 0.06 pc) |
| Absolute magnitude (MV) | 9.600±0.049 |
| Orbit | |
| Name | HD 4113 C |
| Period (P) | 348.325+21.932 −15.139 yr |
| Semi-major axis (a) | 50.438+2.060 −1.420 AU |
| Eccentricity (e) | 0.648+0.008 −0.007 |
| Inclination (i) | 83.456+2.342 −1.269° |
| Longitude of the node (Ω) | 225.686+0.704 −1.486° |
| Periastron epoch (T) | 2324305.035+127045.323 −7894.349 |
| Argument of periastron (ω) (secondary) | 249.665+3.552 −4.805° |
| Semi-amplitude (K1) (primary) | 0.263535+0.002058 −0.003037 km/s |
| Details | |
| A | |
| Mass | 1.02+0.02 −0.03 M☉ |
| Radius | 1.08+0.02 −0.04 R☉ |
| Luminosity | 1.085+0.04 −0.03 L☉ |
| Surface gravity (log g) | 4.31±0.04 cgs |
| Temperature | 5,638±50 K |
| Metallicity [Fe/H] | 0.20±0.04 dex |
| Rotational velocity (v sin i) | 2.324 km/s |
| Age | 7.29+1.91 −1.46 or 5.0+1.3 −1.7 Gyr |
| B | |
| Mass | 0.55 M☉ |
| Surface gravity (log g) | 4.76 cgs |
| Temperature | 3,833 K |
| C | |
| Mass | 51.913+0.604 −0.458 MJup |
| Radius | 1.4–1.5 RJup |
| Surface gravity (log g) | 4.5–5 cgs |
| Temperature | 500–600 K |
| Other designations | |
| CD−38°223, GC 858, HD 4113, HIP 3391, SAO 192693, GSC 03654-02131 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
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