HD 182475
(Redirected from V1691 Aquilae)
File:HD182475LightCurve.png A visual band light curve for HD 182475, adapted from Poretti et al. (2003)[1] | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | Template:RA[2] |
| Declination | Template:DEC[2] |
| Apparent magnitude (V) | 6.51[3] |
| Characteristics | |
| Spectral type | A9V[4] |
| U−B Template:Engvar | +0.09[3] |
| B−V Template:Engvar | +0.33[3] |
| Variable type | δ Sct[5] |
| Astrometry | |
| Proper motion (μ) | RA: 36.65[2] mas/yr Dec.: 2.67[2] mas/yr |
| Parallax (π) | 9.25±1.32 mas[2] |
| Distance | approx. Template:Rnd ly (approx. Template:Rnd pc) |
| Details | |
| Luminosity | 23[6] Template:Solar luminosity |
| Temperature | 6,907[6] K |
| Rotational velocity (v sin i) | 141[4] km/s |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| V1691 Aql, BD-05° 4964, HD 180555, HIP 95453, HR 7366, SAO 143373. | |
| Database references | |
| SIMBAD | data |
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HD 182475 is a Delta Scuti variable[5] 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.[3]
Gerald Hildebrandt discovered the star is a variable star in 1991, and reported the discovery in 1992.[7] It was given its variable star designation, V1691 Aquarii, in 2006.[8]
References
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