Qatar-3
Qatar-3 is a 12th magnitude star located in the northern constellation Andromeda. It is host to a transiting planet. With a radial velocity of 10.99 km/s, it is drifting away from the Solar System, and is currently located 2,400 light years away based on its annual parallax.
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Andromeda |
| Right ascension | 23h 56m 36.48312s |
| Declination | 36° 12′ 46.7739″ |
| Apparent magnitude (V) | 12.88 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | G0V |
| Variable type | planetary transit |
| Astrometry | |
| Radial velocity (Rv) | 10.99±3.31 km/s |
| Proper motion (μ) | RA: −17.763 mas/yr Dec.: −8.484 mas/yr |
| Parallax (π) | 1.3316 ± 0.0588 mas |
| Distance | 2,400 ± 100 ly (750 ± 30 pc) |
| Absolute magnitude (MV) | 3.50 |
| Details | |
| Mass | 1.145±0.064 M☉ |
| Radius | 1.272±0.14 R☉ |
| Luminosity | 1.90±0.46 L☉ |
| Surface gravity (log g) | 4.28±0.05 cgs |
| Temperature | 5,991±64 K |
| Metallicity [Fe/H] | −0.041±0.081 dex |
| Rotation | 6.31 |
| Rotational velocity (v sin i) | 10.4±0.5 km/s |
| Age | 310±1 Myr |
| Other designations | |
Gaia DR2 2878641361300809856 | |
| Database references | |
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