HD 158476
HD 158476 | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 31m 49.0987s |
| Declination | -46° 02′ 12.418″ |
| Apparent magnitude (V) | 6.047 |
| Characteristics | |
| Spectral type | F9Ib |
| B−V color index | 0.83 |
| Astrometry | |
| Radial velocity (Rv) | -29 km/s |
| Proper motion (μ) | RA: 2.53 mas/yr Dec.: -2.62 mas/yr |
| Parallax (π) | 1.62 ± 0.87 mas |
| Distance | approx. 2,000 ly (approx. 600 pc) |
| Absolute magnitude (MV) | 6.832 |
| Details | |
| Mass | 1,7 M☉ |
| Radius | 1,4 R☉ |
| Luminosity | 3,0455025 L☉ |
| Temperature | 6,000–7,500 K |
| Orbit | |
| Companion | IDS 17244-4558 B |
| Semi-major axis (a) | 18" |
| Inclination (i) | 210° |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
| Database references | |
| SIMBAD | data |
HD 158476 or IDS 17244-4558 A is a star in a double system.
References
Components
| NAME | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
|---|---|---|---|---|---|
| IDS 17244-4558 B (CD-45 11626B) | 17h 31m 48.207s | -46° 02' 30.2 | 10.5 | Simbad |
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