HD 149837
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 16h 40m 50.48446s[1] |
| Declination | −60° 26′ 47.2030″[1] |
| Apparent magnitude (V) | 6.223[1] |
| Characteristics | |
| Spectral type | F6V[1] |
| Apparent magnitude (B) | 6.660[1] |
| Apparent magnitude (V) | 6.223[1] |
| Apparent magnitude (J) | 5.217[1] |
| Apparent magnitude (H) | 4.969[1] |
| Apparent magnitude (K) | 4.886[1] |
| Astrometry | |
| Radial velocity (Rv) | 3.90[1] km/s |
| Proper motion (μ) | RA: 59.02[1] mas/yr Dec.: –74.20[1] mas/yr |
| Parallax (π) | 31.92 ± 0.53[1] mas |
| Distance | 102 ± 2 ly (31.3 ± 0.5 pc) |
| Details | |
| Mass | 1.7 M☉ |
| Radius | 1.4 R☉ |
| Temperature | 6,000–7,500 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
HD 149837 is a double star in the constellation of Ara.
References
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