Rho Aquarii (ρ Aqr / ρ Aquarii) is a star in the constellation Aquarius.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquarius |
| Right ascension | 22h 20m 11.9165s |
| Declination | -07° 49′ 15.967″ |
| Apparent magnitude (V) | 2.07 |
| Characteristics | |
| Spectral type | B8IIImnp... |
| U−B color index | -0.37 |
| B−V color index | -0.06 |
| Astrometry | |
| Radial velocity (Rv) | -9 km/s |
| Proper motion (μ) | RA: 15.21 mas/yr Dec.: 1.61 mas/yr |
| Parallax (π) | 4.39 ± 0.80 mas |
| Distance | approx. 700 ly (approx. 230 pc) |
| Absolute magnitude (MV) | 5.29 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Metallicity | ? |
| Rotation | 0,0134941862 Year |
| Age | ? years |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
Rho Aquarii is a blue-white B-type giant with an apparent magnitude of +5.35. It is approximately 740 light years from Earth.
External links
- HR 8512
- Image Rho AquariiTransclusion error: {{En}} is only for use in File namespace. Use {{langx|en}} or {{in lang|en}} instead.
- Aladin sky atlas, imageTransclusion error: {{En}} is only for use in File namespace. Use {{langx|en}} or {{in lang|en}} instead.
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