This page summarises the information held within TEPCat for the transiting planetary system WASP-19. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2010ApJ...708..224H | |
| Date of discovery paper | 2009 / 12 / 16 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 09 53 40.08 | h m s |
| Declination | −45 39 33.0 | d m s |
| Right ascension (decimal) | 148.41700 | degrees |
| Declination (decimal) | -45.65917 | degrees |
| V-band apparent magnitude | 12.31 | mag |
| K-band apparent magnitude | 10.48 | mag |
| Transit duration | 0.06586 ( 1.5806 ) | day hour |
| Transit depth | 2.4 | % |
| Time of mid-transit | 2454775.338173 ± 0.000059 | HJD or BJD |
| Orbital period | 0.788838963 ± 0.000000016 | days |
| Reference for orbital ephemeris | 2024A+A...692A..35M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5460 ± 90 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.11 | dex |
| Stellar mass | 0.935 ± 0.041 | Msun |
| Stellar radius | 1.018 ± 0.015 | Rsun |
| Stellar logarithmic surface gravity | 4.3932 ± 0.0066 | c.g.s. |
| Stellar mean density | 0.8853 ± 0.0060 ( 1.2492 ± 0.0085 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.00172 +0.00035 −0.00033 | |
| Orbital semimajor axis | 0.01634 ± 0.00024 | AU |
| Planetary mass | 1.139 ± 0.036 ( 362 ± 11 ) | Mjup Mearth |
| Planetary radius | 1.410 ± 0.021 ( 15.80 ± 0.24 ) | Rjup Rearth |
| Planetary surface gravity | 14.21 ± 0.18 3.153 ± 0.005 | m/s2 log(cgs) |
| Planetary mean density | 0.3800 ± 0.0079 ( 0.504 ± 0.010 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2077 ± 34 | K |
| Reference of detailed study | 2024A+A...684A..78B |
| Reference | λ (degrees) |
|---|---|
| Hellier et al. (2011) | 4.6 ± 5.2 |
| Albrecht et al. (2012) | 15 ± 11 |
| Tregloan-Reed et al. (2013) | 1.0 ± 1.2 |
| Sedaghati et al. (2021) | −1.9 ± 1.1 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)