70 Virginis
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox J2000.0 |
|
|---|---|
| Constellation | Virgo |
| Right ascension | 13h 28m 25.81s[1] |
| Declination | +13° 46′ 43.6″[1] |
| Apparent magnitude (V) | +5.00 |
| Characteristics | |
| Spectral type | G2.5Va |
| U−B color index | 0.26 |
| B−V color index | 0.71 |
| V−R color index | 0.39 |
| R−I color index | 0.36 |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | 5 km/s |
| Proper motion (μ) | RA: −236.02 ± 0.24[1] mas/yr Dec.: −575.73 ± 0.19[1] mas/yr |
| Parallax (π) | 55.60 ± 0.17[1] mas |
| Distance | 58.7 ± 0.2 ly (17.99 ± 0.05 pc) |
| Absolute magnitude (MV) | +3.70 ± 0.01 [2] |
| Details | |
| Mass | 1.12[3] M☉ |
| Radius | 1.9 ± 0.1 [4] R☉ |
| Luminosity | 2.92 ± 0.03[5] L☉ |
| Surface gravity (log g) | 3.58 cgs |
| Temperature | 5,406 ± 64[5] K |
| Metallicity [Fe/H] | −0.06[5] dex |
| Age | 7.9[5] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| ARICNS | data |
| Extrasolar Planets Encyclopaedia |
data |
70 Virginis (abbreviated 70 Vir) is the Flamsteed designation of a yellow dwarf star approximately 59 light-years away[1] in the constellation Virgo. It is rather unusually bright for its spectral type and may be just starting to evolve into the subgiant phase.
In 1996, 70 Virginis was discovered to have an extrasolar planet in orbit around it.[6] There is also a dust disc with a maximum temperature of 153 K located at a minimum distance of 3.4 AU from the star.[7]
Planetary system
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | >7.49 ± 0.61 MJ | 0.484 ± 0.028 | 116.6884 ± 0.0044 | 0.4007 ± 0.0035 | — | — |
| Dust disc | >3.4 AU | — | — | |||
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 Lua error in package.lua at line 80: module 'strict' not found. Vizier catalog entry
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found. (web Preprint)
- ↑ 5.0 5.1 5.2 5.3 Lua error in package.lua at line 80: module 'strict' not found. See Table 3.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
External links
- Lua error in package.lua at line 80: module 'strict' not found.
- SolStation: 70 Virginis
Coordinates: 
13h 28m 25.8s, +13° 46′ 43.5″
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