HD 182475
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 25m 01.53339s |
| Declination | −04° 53′ 04.3738″ |
| Apparent magnitude (V) | 6.51 |
| Characteristics | |
| Spectral type | A9V |
| U−B color index | +0.09 |
| B−V color index | +0.33 |
| Variable type | δ Sct |
| Astrometry | |
| Proper motion (μ) | RA: 36.65 mas/yr Dec.: 2.67 mas/yr |
| Parallax (π) | 9.25±1.32 mas |
| Distance | approx. 350 ly (approx. 110 pc) |
| Details | |
| Luminosity | 23 L☉ |
| Temperature | 6,907 K |
| Rotational velocity (v sin i) | 141 km/s |
| Other designations | |
| V1691 Aql, BD-05° 4964, HD 180555, HIP 95453, HR 7366, SAO 143373. | |
| Database references | |
| SIMBAD | data |
HD 182475 is a Delta Scuti variable star in the equatorial constellation of Aquila. Its apparent magnitude is 6.5, making it barely visible to the naked eye under ideal observing conditions.
Gerald Hildebrandt discovered the star is a variable star in 1991, and reported the discovery in 1992. It was given its variable star designation, V1691 Aquarii, in 2006.