R Aquilae
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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 06m 22.2522s |
| Declination | +08° 13′ 48.006″ |
| Apparent magnitude (V) | 7.61 |
| Characteristics | |
| Spectral type | M7IIIev |
| U−B color index | 0.37 |
| B−V color index | 1.6 |
| Variable type | Mira variable |
| Astrometry | |
| Radial velocity (Rv) | 32.0 km/s |
| Proper motion (μ) | RA: 5.18 mas/yr Dec.: -67.05 mas/yr |
| Parallax (π) | 4.73 ± 1.19 mas |
| Distance | approx. 700 ly (approx. 210 pc) |
| Absolute magnitude (MV) | 8.75 |
| Details | |
| Mass | 0.4 M☉ |
| Radius | 0.5 R☉ |
| Luminosity | 0.04 L☉ |
| Temperature | 2,000–3,500 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
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R Aquilae (R Aql) is a variable star in the constellation Aquila.
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