| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Ara |
| Right ascension | 17h 03m 08.7105s |
| Declination | -53° 14′ 13.3″ |
| Apparent magnitude (V) | 5.285 |
| Characteristics | |
| Spectral type | F5Vfe+05 |
| B−V color index | 0.48 |
| Astrometry | |
| Radial velocity (Rv) | 7 km/s |
| Proper motion (μ) | RA: 1.16 mas/yr Dec.: -165.1 mas/yr |
| Parallax (π) | 37.97 ± 0.84 mas |
| Distance | 86 ± 2 ly (26.3 ± 0.6 pc) |
| Absolute magnitude (MV) | 5.727 |
| Details | |
| Mass | 1.7 M☉ |
| Radius | 1.4 R☉ |
| Luminosity | 6 L☉ |
| Temperature | 6,000–7,500 K |
| Rotation | 58 Km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
Epsilon2 Arae (ε2 Ara, ε2 Arae) is a double star in the constellation Ara. It is approximately 85.9 light years from Earth.
The brighter component is a yellow-white F-type main sequence dwarf with an apparent magnitude of +5.4. It has a close companion, which is 0.6 arcseconds away and has an apparent magnitude of +8.6. A third component, is 13th magnitude and located 25 arcseconds from the brightest star. The combined apparent magnitude of the system is +5.27.
|
||||||||||||||