EW Aquarii
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| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 21h 11m 41.3379s |
| Declination | −14° 28′ 20.559″ |
| Apparent magnitude (V) | 6.466 |
| Characteristics | |
| Spectral type | Fm |
| U−B color index | 0.14 |
| B−V color index | 0.28 |
| Variable type | Delta Scuti |
| Astrometry | |
| Radial velocity (Rv) | -39.2 km/s |
| Proper motion (μ) | RA: 38.52 mas/yr Dec.: 0.10 mas/yr |
| Parallax (π) | 7.43 ± 0.93 mas |
| Distance | approx. 440 ly (approx. 130 pc) |
| Absolute magnitude (MV) | 6.749 |
| Details | |
| Mass | 1.7 M☉ |
| Radius | 1.4 R☉ |
| Luminosity | 6 L☉ |
| Temperature | 6,000–7,500 K |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) |
|
EW Aquarii is a Delta Scuti variable star.
[edit] References
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