Rho Indi
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| Observation data Epoch J2000.0 |
|
|---|---|
| Constellation (pronunciation) |
Indus |
| Right ascension | 22h 54m 39.4833s |
| Declination | –70° 04′ 25.352″ |
| Apparent magnitude (V) | +6.064 |
| Characteristics | |
| Spectral type | G2.5IV |
| U-B color index | ? |
| B-V color index | ? |
| V-R color index | ? |
| R-I color index | ? |
| Variable type | none |
| Astrometry | |
| Radial velocity (Rv) | –3.0 km/s |
| Proper motion (μ) | RA: –43.19 mas/yr Dec.: +73.20 mas/yr |
| Parallax (π) | 37.74 ± 0.58 mas |
| Distance | 86.43 ly (26.5 pc) |
| Absolute magnitude (MV) | +3.948 |
| Details | |
| Mass | 1.07 M☉ |
| Radius | 1.1 R☉ |
| Surface gravity (log g) | 4.29 |
| Luminosity | 1.09 L☉ |
| Temperature | 5636 K |
| Metallicity | 0 (100%) |
| Rotation | ? |
| Age | 12.96 × 109 years |
| Other designations | |
Rho Indi is a yellow subgiant star in the constellation Indus. It is a naked eye star, but it is hardly visible, giving the Bright Star designation as HR 8701. This star is not visible in northern hemisphere except for the tropics. The age of the star is almost 13 Gya and will soon die away as planetary nebula.
On Sept 17, 2002, this star is found to have a planet Rho Indi b.
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