HD 140913
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Corona Borealis |
| Right ascension | 15h 45m 07.4498s[1] |
| Declination | +28° 28′ 11.748″[1] |
| Apparent magnitude (V) | 6.78[2] |
| Characteristics | |
| Spectral type | G0V[3] |
| U−B color index | +0.09[2] |
| B−V color index | +0.54[2] |
| Astrometry | |
| Radial velocity (Rv) | +37[4] km/s |
| Proper motion (μ) | RA: −87.63[1] mas/yr Dec.: 38.71[1] mas/yr |
| Parallax (π) | 20.85 ± 1.04[1] mas |
| Distance | 156 ± 8 ly (48 ± 2 pc) |
| Details | |
| Temperature | 5,861[5] K |
| Metallicity | [Fe/H] = −0.07[5] |
| Other designations | |
HD 140913 is a star very much like our own Sun located in the constellation Corona Borealis (The Northern Crown) 156 light years away.
The space velocity components of this star are (U, V, W) = (-21.77, -14.42, 1.67).[3]
Companion
HD 140913 has a companion called HD 140913 B discovered in 1996. A brown dwarf which is 46 times as massive as Jupiter. It orbits about every 148 days. Its orbital eccentricity is 0.61 and its semimajor axis is 0.54 AU.
See also
References
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