HD 156331
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| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara[1] |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 6.27[3] (7.0 + 7.0)[4] |
| Characteristics | |
| Spectral type | F8III + B9V[4] |
| B−V Template:Engvar | +0.41[3] |
| Astrometry | |
| Radial velocity (Rv) | Script error: No such module "val".[5] km/s |
| Proper motion (μ) | RA: +8.76[2] mas/yr Dec.: −32.86[2] mas/yr |
| Parallax (π) | 16.94±0.51 mas[2] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | +2.42[1] |
| Other designations | |
| CD−49°11324, HD 156331, HIP 84759, HR 6423, SAO 244631 | |
| Database references | |
| SIMBAD | data |
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HD 156331 is double star in the southern constellation of Ara. As of 2014, the pair have an angular separation of less than an arc second along a position angle of 49°.[4]
References
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