Alpha Scuti
 Location of α Scuti |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Scutum |
| Right ascension | 18h 35m 12.42776s |
| Declination | −8° 14′ 38.6529″ |
| Apparent magnitude (V) | 3.83 |
| Characteristics | |
| Spectral type | K3III |
| U−B color index | +1.53 |
| B−V color index | +1.34 |
| Astrometry | |
| Radial velocity (Rv) | +36.50 km/s |
| Proper motion (μ) |
RA: -17.00 mas/yr Dec.: -313.52 mas/yr |
| Parallax (π) | 16.38 ± 0.22mas |
| Distance | 199 ± 3 ly (61.1 ± 0.8 pc) |
| Absolute magnitude (MV) | -0.08 |
| Details | |
| Mass | 1.33 M☉ |
| Radius | 20 R☉ |
| Luminosity | 186 L☉ |
| Surface gravity (log g) | 1.96 cgs |
| Temperature | 4,315 K |
| Metallicity [Fe/H] | -0.04 dex |
| Rotational velocity (v sin i) | 1.7 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Alpha Scuti (α Sct, α Scuti) is a fourth-magnitude star in the constellation Scutum. Alpha Scuti is an orange K-type giant with an apparent magnitude of +3.83. Alpha Scuti is a suspected variable star with magnitude range reported as 3.81 to 3.87. It is approximately 199 light years from Earth.
Alpha Scuti was a latter designation of 1 Aquilae.
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