WASP-7
WASP-7, also identified as HD 197286, is a type F star located about 520 light years away in the constellation Microscopium. This star is a little larger and about 28% more massive than the Sun and is also brighter and hotter. At magnitude 9 the star cannot be seen by the naked eye but is visible through a small telescope.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Microscopium |
| Right ascension | 20h 44m 10.2208s |
| Declination | −39° 13′ 30.850″ |
| Apparent magnitude (V) | 9.51 |
| Characteristics | |
| Spectral type | F5V |
| Apparent magnitude (B) | ~9.96 |
| Apparent magnitude (V) | ~9.54 |
| Apparent magnitude (J) | 8.648 ± 0.027 |
| Apparent magnitude (H) | 8.414 ± 0.042 |
| Apparent magnitude (K) | 8.396 ± 0.023 |
| Astrometry | |
| Proper motion (μ) | RA: 30.480±0.677 mas/yr Dec.: 57.998±0.753 mas/yr |
| Parallax (π) | 6.32 ± 0.25 mas |
| Distance | 520 ± 20 ly (158 ± 6 pc) |
| Details | |
| Mass | 1.28 −0.19+0.09 M☉ |
| Radius | 1.236 −0.046+0.059 R☉ |
| Temperature | 6400 ± 100 K |
| Metallicity | 0 ± 0.1 |
| Other designations | |
| Database references | |
| SIMBAD | data |
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