This page summarises the information held within TEPCat for the transiting planetary system WASP-53. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017MNRAS.467.1714T | |
| Date of discovery paper | 2016 / 12 / 14 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 02 07 38.22 | h m s |
| Declination | −20 39 43.0 | d m s |
| Right ascension (decimal) | 31.90925 | degrees |
| Declination (decimal) | -20.66194 | degrees |
| V-band apparent magnitude | 12.19 | mag |
| K-band apparent magnitude | 10.39 | mag |
| Transit duration | 0.09469 ( 2.2726 ) | day hour |
| Transit depth | 1.6 | % |
| Time of mid-transit | 2455943.56695 ± 0.00012 | HJD or BJD |
| Orbital period | 3.3098443 ± 0.0000020 | days |
| Reference for orbital ephemeris | 2017MNRAS.467.1714T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4950 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.22 ± 0.11 | dex |
| Stellar mass | 0.839 ± 0.054 | Msun |
| Stellar radius | 0.798 ± 0.023 | Rsun |
| Stellar logarithmic surface gravity | 4.553 +0.019 −0.020 | c.g.s. |
| Stellar mean density | 1.648 +0.091 −0.085 ( 2.33 +0.13 −0.12 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.030 −0.0 | |
| Orbital semimajor axis | 0.04101 +0.00083 −0.00091 | AU |
| Planetary mass | 2.132 +0.092 −0.094 ( 677 +29 −29 ) | Mjup Mearth |
| Planetary radius | 1.074 ± 0.037 ( 12.04 ± 0.41 ) | Rjup Rearth |
| Planetary surface gravity | 47.8 +2.5 −2.4 3.68 +0.02 −0.02 | m/s2 log(cgs) |
| Planetary mean density | 1.72 +0.15 −0.13 ( 2.28 +0.20 −0.17 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1053 ± 16 | K |
| Reference of detailed study | 2017MNRAS.467.1714T |
| Reference | λ (degrees) |
|---|---|
| Triaud et al. (2017) | −1 ± 12 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)