Eta Scuti
 Location of η Scuti (circled) |
|
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Scutum |
| Right ascension | 18h 57m 03.66968s |
| Declination | −5° 50′ 46.7216″ |
| Apparent magnitude (V) | 4.83 |
| Characteristics | |
| Spectral type | K1-III |
| U−B color index | +1.02 |
| B−V color index | +1.08 |
| Astrometry | |
| Radial velocity (Rv) | -92.58 km/s |
| Proper motion (μ) |
RA: +60.53 mas/yr Dec.: -39.92 mas/yr |
| Parallax (π) | 16.12 ± 0.28mas |
| Distance | 202 ± 4 ly (62 ± 1 pc) |
| Absolute magnitude (MV) | 0.87 |
| Details | |
| Mass | 1.50 M☉ |
| Radius | 11.15 R☉ |
| Luminosity | 53.5 L☉ |
| Surface gravity (log g) | 2.54 cgs |
| Temperature | 4,680 K |
| Metallicity [Fe/H] | -0.03 dex |
| Rotational velocity (v sin i) | < 1.0 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
Eta Scuti (η Sct, η Scuti) is a star in the constellation Scutum.
Eta Scuti is an orange K-type giant with an apparent magnitude of +4.83. It is approximately 202 light years from Earth. This star has 1.4 times the mass of the Sun, more than ten times the Sun's radius, and is about 2.8 billion years old.
Eta Scuti was a latter designation of 9 Aquilae.
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