HAT-P-9
HAT-P-9 is a magnitude 12 F star approximately 1500 light years away in the constellation Auriga. A search for a binary companion star using adaptive optics at the MMT Observatory was negative.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 07h 20m 40.4565s |
| Declination | +37° 08′ 26.343″ |
| Apparent magnitude (V) | 12.34 ± 0.27 |
| Characteristics | |
| Spectral type | F |
| Apparent magnitude (B) | 12.35 ± 0.23 |
| Apparent magnitude (V) | 12.34 ± 0.27 |
| Apparent magnitude (J) | 11.274 ± 0.022 |
| Apparent magnitude (H) | 11.04 ± 0.03 |
| Apparent magnitude (K) | 11.015 ± 0.021 |
| Variable type | planetary transit |
| Astrometry | |
| Proper motion (μ) | RA: −9.796(16) mas/yr Dec.: −13.029(14) mas/yr |
| Parallax (π) | 2.1626 ± 0.0140 mas |
| Distance | 1,508 ± 10 ly (462 ± 3 pc) |
| Details | |
| Mass | 1.28 ± 0.13 M☉ |
| Radius | 1.32 ± 0.07 R☉ |
| Surface gravity (log g) | 4.29 ± 0.03 cgs |
| Temperature | 6253 ± 84 K |
| Metallicity [Fe/H] | 0.16 ± 0.09 dex |
| Rotational velocity (v sin i) | 13.4 ± 1.4 km/s |
| Age | 1.6 +1.8 −1.4 Gyr |
| Equatorial [ g ] | 201,21 m/s2 |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Data sources: | |
| Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.) | |
The star HAT-P-9 is named Tevel. The name was selected in the NameExoWorlds campaign by Israel, during the 100th anniversary of the IAU. The Hebrew word תֵבֵל tevel means "World" or "Universe".
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