| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 28m 59.3539s[1] |
| Declination | +47° 58′ 10.217″[1] |
| Apparent magnitude (V) | 10.46[2] |
| Characteristics | |
| Spectral type | F6V[3] |
| Apparent magnitude (B) | ~10.90[2] |
| Apparent magnitude (V) | ~10.46[2] |
| Apparent magnitude (J) | 9.555 ± 0.030[2] |
| Apparent magnitude (H) | 9.344 ± 0.029[2] |
| Apparent magnitude (K) | 9.334 ± 0.018[2] |
| Variable type | planetary transit[4] |
| Astrometry | |
| Proper motion (μ) | RA: −18.325(14) mas/yr[1] Dec.: 8.851(14) mas/yr[1] |
| Parallax (π) | 2.9991 ± 0.0114 mas[1] |
| 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[5] cgs |
| Temperature | 6441 ± 69[5] K |
| Metallicity [Fe/H] | 0.15 ± 0.08[5] dex |
| Rotational velocity (v sin i) | 5.0 ± 1.2[5] km/s |
| Other designations | |
| Database references | |
| SIMBAD | data |
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.[2]
Gaia DR3 was invoked but never defined (see the help page).Simbad was invoked but never defined (see the help page).Faedi2013 was invoked but never defined (see the help page).Pál2008 was invoked but never defined (see the help page).Torres2012 was invoked but never defined (see the help page).