HD 131040
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Boötes |
| Right ascension | 14h 49m 32.38252s[1] |
| Declination | +51° 22′ 28.2072″[1] |
| Apparent magnitude (V) | 6.51[2] |
| Characteristics | |
| Spectral type | F5IV[3] |
| U−B color index | +0.00[2] |
| B−V color index | +0.40[2] |
| Astrometry | |
| Radial velocity (Rv) | -6.90[4] km/s |
| Proper motion (μ) | RA: +16.05[1] mas/yr Dec.: +1.71[1] mas/yr |
| Parallax (π) | 17.51 ± 0.69[1] mas |
| Distance | 186 ± 7 ly (57 ± 2 pc) |
| Details | |
| Mass | 1.53[5] M☉ |
| Luminosity | 6.8[6] L☉ |
| Surface gravity (log g) | 4.07[5] cgs |
| Temperature | 6,707[6] K |
| Metallicity [Fe/H] | +0.04[5] dex |
| Age | 1.80[5] Myr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 131040 is a double star in the northern constellation of Boötes. The brighter component is a subgiant star that varies slightly in luminosity by 0.04 in magnitude.[3] The magnitude 9.64 companion lies at an angular separation of 15.2″ along a position angle of 93°.[7]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 5.2 5.3 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 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
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