HD 15082
A light curve for V807 Andromedae (HD 15082), plotted from TESS data. The deep minima are caused by the planet transits. | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 02h 26m 51.0583s |
| Declination | +37° 33′ 01.736″ |
| Apparent magnitude (V) | 8.3 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | A5m (kA5hA8mF4) |
| B−V color index | 0.27 |
| Variable type | δ Sct+planetary transit |
| Astrometry | |
| Radial velocity (Rv) | −9.20±2.8 km/s |
| Proper motion (μ) | RA: −0.977(35) mas/yr Dec.: −8.895(34) mas/yr |
| Parallax (π) | 8.2238±0.0327 mas |
| Distance | 397 ± 2 ly (121.6 ± 0.5 pc) |
| Absolute magnitude (MV) | +2.85 |
| Details | |
| Mass | 1.55±0.04 M☉ |
| Radius | 1.51 R☉ |
| Luminosity | 6.6 L☉ |
| Surface gravity (log g) | 4.3±0.2 cgs |
| Temperature | 7,400±200 K |
| Metallicity [Fe/H] | 0.1±0.2 dex |
| Rotational velocity (v sin i) | 86 km/s |
| Age | 100 Myr |
| Other designations | |
| V807 And, BD+36 489, HD 15082, HIP 11397, SAO 55561, WASP-33, 2MASS J02265106+3733017, Gaia DR2 328636019723252096 | |
| Database references | |
| SIMBAD | data |
HD 15082 (also known as WASP-33) is a star located 397 light years away in the northern constellation of Andromeda. The star is a Delta Scuti variable and a planetary transit variable. A hot Jupiter type extrasolar planet, named WASP-33b or HD 15082b, orbits this star with an orbital period of 1.22 days. It is the first Delta Scuti variable known to host a planet.