This page summarises the information held within TEPCat for the transiting planetary system WASP-54. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2013A+A...551A..73F | |
| Date of discovery paper | 2012 / 10 / 9 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 13 41 49.02 | h m s |
| Declination | −00 07 41.0 | d m s |
| Right ascension (decimal) | 205.45425 | degrees |
| Declination (decimal) | -0.12806 | degrees |
| V-band apparent magnitude | 10.42 | mag |
| K-band apparent magnitude | 9.04 | mag |
| Transit duration | 0.1863 ( 4.471 ) | day hour |
| Transit depth | 1.1 | % |
| Time of mid-transit | 2458931.23637 ± 0.00026 | HJD or BJD |
| Orbital period | 3.6935995 ± 0.0000018 | days |
| Reference for orbital ephemeris | arXiv:2407.20846 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6296 ± 40 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.04 | dex |
| Stellar mass | 1.213 ± 0.032 | Msun |
| Stellar radius | 1.828 +0.091 −0.081 | Rsun |
| Stellar logarithmic surface gravity | 3.997 +0.032 −0.035 | c.g.s. |
| Stellar mean density | 0.198 +0.025 −0.024 ( 0.279 +0.035 −0.034 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.067 +0.033 −0.025 | |
| Orbital semimajor axis | 0.04987 ± 0.00044 | AU |
| Planetary mass | 0.636 +0.025 −0.024 ( 202.18 +7.95 −7.63 ) | Mjup Mearth |
| Planetary radius | 1.653 +0.090 −0.083 ( 18.53 + 1.01 − 0.93 ) | Rjup Rearth |
| Planetary surface gravity | 5.32 ± 0.52 2.73 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.141 +0.022 −0.019 ( 0.187 +0.029 −0.025 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1759 ± 46 | K |
| Reference of detailed study | 2013A+A...551A..73F |
WASP-54 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)