This page summarises the information held within TEPCat for the transiting planetary system WASP-47c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...812L..18B | |
| Date of discovery paper | 2015 / 8 / 11 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 22 04 48.72 | h m s |
| Declination | −12 01 07.8 | d m s |
| Right ascension (decimal) | 331.20300 | degrees |
| Declination (decimal) | -12.01883 | degrees |
| V-band apparent magnitude | 11.93 | mag |
| K-band apparent magnitude | 10.19 | mag |
| Transit duration | 0.08 ( 1.9 ) | day hour |
| Transit depth | 0.025 | % |
| Time of mid-transit | 2457011.34862 ± 0.00030 | HJD or BJD |
| Orbital period | 0.7895933 ± 0.0000044 | days |
| Reference for orbital ephemeris | 2022AJ....163..197B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5576 ± 67 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.36 ± 0.05 | dex |
| Stellar mass | 1.058 ± 0.047 | Msun |
| Stellar radius | 1.156 ± 0.009 | Rsun |
| Stellar logarithmic surface gravity | 4.3437 ± 0.0063 | c.g.s. |
| Stellar mean density | 0.708 ± 0.010 ( 0.999 ± 0.014 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.030 +0.036 −0.020 | |
| Orbital semimajor axis | 0.01688 ± 0.00017 | AU |
| Planetary mass | 0.0283 ± 0.0016 ( 9.00 ± 0.51 ) | Mjup Mearth |
| Planetary radius | 0.1613 ± 0.0023 ( 1.808 ± 0.026 ) | Rjup Rearth |
| Planetary surface gravity | 20.5 ± 2.0 3.31 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 4.74 ± 0.45 ( 6.29 ± 0.60 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2023A+A...673A..42N |
WASP-47c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)