HD 153370
Star in the constellation Ara / From Wikipedia, the free encyclopedia
HD 153370 is binary star in the southern constellation of Ara.
Quick Facts Observation data Epoch J2000 Equinox J2000, Constellation ...
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 |
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