HAT-P-7
HAT-P-7 is a F-type main sequence star located about 1088 light-years away in the constellation Cygnus. The apparent magnitude of this star is 10.5, which means it is not visible to the naked eye but can be seen with a small telescope on a clear dark night.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 28m 59.3539s |
| Declination | +47° 58′ 10.217″ |
| Apparent magnitude (V) | 10.46 |
| Characteristics | |
| Spectral type | F6V |
| Apparent magnitude (B) | ~10.90 |
| Apparent magnitude (V) | ~10.46 |
| Apparent magnitude (J) | 9.555 ± 0.030 |
| Apparent magnitude (H) | 9.344 ± 0.029 |
| Apparent magnitude (K) | 9.334 ± 0.018 |
| Variable type | planetary transit |
| Astrometry | |
| Proper motion (μ) | RA: −18.325(14) mas/yr Dec.: 8.851(14) mas/yr |
| Parallax (π) | 2.9991 ± 0.0114 mas |
| Distance | 1,088 ± 4 ly (333 ± 1 pc) |
| Details | |
| Mass | 1.47+0.8 −0.5 M☉ |
| Radius | 1.84+0.23 −0.11 R☉ |
| Surface gravity (log g) | 4.02 ± 0.01 cgs |
| Temperature | 6441 ± 69 K |
| Metallicity [Fe/H] | 0.15 ± 0.08 dex |
| Rotational velocity (v sin i) | 5.0 ± 1.2 km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
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