HD 153370 is binary star in the southern constellation of Ara.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Ara |
| Right ascension | 17h 01m 46.35181s[1] |
| Declination | −51° 07′ 51.7016″[1] |
| Apparent magnitude (V) | 6.45[2] (7.23 + 7.27)[3] |
| Characteristics | |
| Spectral type | A7V[4] |
| B−V color index | +0.27[2] |
| Astrometry | |
| Radial velocity (Rv) | −27.90±1.78[5] km/s |
| Proper motion (μ) | RA: −10.62[1] mas/yr Dec.: −45.64[1] mas/yr |
| Parallax (π) | 9.57 ± 0.86 mas[1] |
| Distance | 340 ± 30 ly (104 ± 9 pc) |
| Orbit[3] | |
| Period (P) | 62.29 yr |
| Semi-major axis (a) | 0.2550″ |
| Eccentricity (e) | 0.67 |
| Details | |
| Luminosity | 22.5[6] L☉ |
| Temperature | 7,246[6] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
Constellation of Ara | |||||||||
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