This page summarises the information held within TEPCat for the transiting planetary system WASP-50. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011A+A...533A..88G | |
| Date of discovery paper | 2011 / 8 / 15 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 02 54 45.13 | h m s |
| Declination | −10 53 53.0 | d m s |
| Right ascension (decimal) | 43.68804 | degrees |
| Declination (decimal) | -10.89806 | degrees |
| V-band apparent magnitude | 11.55 | mag |
| K-band apparent magnitude | 9.97 | mag |
| Transit duration | 0.0752 ( 1.805 ) | day hour |
| Transit depth | 2.0 | % |
| Time of mid-transit | 2458411.093420 ± 0.000055 | HJD or BJD |
| Orbital period | 1.955092447 ± 0.000000048 | days |
| Reference for orbital ephemeris | 2024MNRAS.530.2475Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5518 ± 42 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.13 ± 0.04 | dex |
| Stellar mass | 0.861 ± 0.057 | Msun |
| Stellar radius | 0.855 ± 0.019 | Rsun |
| Stellar logarithmic surface gravity | 4.509 ± 0.013 | c.g.s. |
| Stellar mean density | 1.376 ± 0.032 ( 1.942 ± 0.045 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.02913 ± 0.00064 | AU |
| Planetary mass | 1.437 ± 0.068 ( 456 ± 21 ) | Mjup Mearth |
| Planetary radius | 1.138 ± 0.026 ( 12.76 ± 0.29 ) | Rjup Rearth |
| Planetary surface gravity | 27.50 ± 0.64 3.439 ± 0.010 | m/s2 log(cgs) |
| Planetary mean density | 0.911 ± 0.033 ( 1.208 ± 0.044 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1410 ± 26 | K |
| Reference of detailed study | 2013MNRAS.431..966T |
| Reference | λ (degrees) |
|---|---|
| Knudstrup et al. (2024) | −2.9 ± 1.2 |
Page generated on 2025/11/11 John Southworth (Keele University, UK)