Planet Qatar-4 b
| Name | Qatar-4 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2016 | ||
| Mass | 5.85 ( -0.47 +0.47 ) MJ | ||
| Mass*sin(i) | — | ||
| Semi-Major Axis | 0.02861 (± 0.00048) AU |  |
|
| Orbital Period | 1.8053949 (± 9.9e-06) day | |
|
| Eccentricity | — | ||
| ω | — | ||
| Tperi | — | ||
| Radius | 1.552 ( -0.057 +0.057 ) RJ | ||
| Inclination | 88.82 (± 1.2) deg | |
|
| Update | 2016-09-18 | ||
| Detection Method | Primary Transit | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | Primary Transit | ||
| Molecules | — | ||
| Primary transit | 2457323.65441 (± 0.00098) JD | |
|
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | 0.114 (± 0.11) | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 1004.0 (± 71.0) m/s | ||
| Calculated temperature | 1570.0 K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
Qatar-4| Name | Qatar-4 | ||
| Distance | — | ||
| Spectral type | |||
| Apparent magnitude V | — | ||
| Mass | 0.954 (± 0.048) MSun | |
|
| Age | 12.9 (± 0.95) Gyr | |
|
| Effective temperature | 5219.0 (± 50.0) K | |
|
| Radius | 1.115 (± 0.037) RSun | |
|
| Metallicity [Fe/H] | 0.166 (± 0.081) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 00:19:26.0 | ||
| Dec2000 | +44:01:39 | ||
| Alternate Names | UCAC3 269-003518 | ||
| Planetary system | 1 planet |
Remarks
13 Sep 2016 Stellar coordinates provided on Sept 1307 Jul 2016 In spite of several requests, Alsubai et al. (2016) have not communicated the star coordinates.
More data
- Simbad
- Most recent references (ADS)
Related publications
Qatar Exoplanet Survey : Qatar-3b, Qatar-4b and Qatar-5b
2016
ALSUBAI K., MISLIS D., TSVETANOV Z., LATHAM D., BIERYLA A. et al.
Astron. J., 153, 200
paper arxiv ADS
