This page summarises the information held within TEPCat for the transiting planetary system WASP-43. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011A+A...535L...7H | |
| Date of discovery paper | 2011 / 4 / 15 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 10 19 38.01 | h m s |
| Declination | −09 48 22.5 | d m s |
| Right ascension (decimal) | 154.90838 | degrees |
| Declination (decimal) | -9.80625 | degrees |
| V-band apparent magnitude | 12.37 | mag |
| K-band apparent magnitude | 9.27 | mag |
| Transit duration | 0.05115 ( 1.2276 ) | day hour |
| Transit depth | 2.7 | % |
| Time of mid-transit | 2455528.868585 ± 0.000042 | HJD or BJD |
| Orbital period | 0.813474079 ± 0.000000012 | days |
| Reference for orbital ephemeris | 2024A+A...692A..35M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4240 +30 −20 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.15 +0.10 −0.04 | dex |
| Stellar mass | 0.712 +0.041 −0.036 | Msun |
| Stellar radius | 0.698 ± 0.014 | Rsun |
| Stellar logarithmic surface gravity | 4.71 ± 0.09 | c.g.s. |
| Stellar mean density | 2.20 ± 0.04 ( 3.104 ± 0.056 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0035 +0.0060 −0.0025 | |
| Orbital semimajor axis | 0.01526 ± 0.00018 | AU |
| Planetary mass | 2.034 +0.052 −0.051 ( 646 +16 −16 ) | Mjup Mearth |
| Planetary radius | 1.08 ± 0.02 ( 12.11 ± 0.22 ) | Rjup Rearth |
| Planetary surface gravity | 47.0 +1.4 −1.3 3.67 +0.01 −0.01 | m/s2 log(cgs) |
| Planetary mean density | 1.826 +0.084 −0.078 ( 2.42 +0.11 −0.10 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1440 +40 −39 | K |
| Reference of detailed study | 2022A+A...668A..17S |
| Reference | λ (degrees) |
|---|---|
| Esposito et al. (2017) | 3.5 ± 6.8 |
Page generated on 2026/01/29 John Southworth (Keele University, UK)