This page summarises the information held within TEPCat for the transiting planetary system WASP-186. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020MNRAS.499..428S | |
| Date of discovery paper | 2020 / 10 / 28 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 01 15 58.85 | h m s |
| Declination | +21 37 00.9 | d m s |
| Right ascension (decimal) | 18.99521 | degrees |
| Declination (decimal) | 21.61692 | degrees |
| V-band apparent magnitude | 10.82 | mag |
| K-band apparent magnitude | 9.53 | mag |
| Transit duration | 0.1127 ( 2.705 ) | day hour |
| Transit depth | 0.61 | % |
| Time of mid-transit | 2456237.1195 ± 0.0009 | HJD or BJD |
| Orbital period | 5.026799 ± 0.000013 | days |
| Reference for orbital ephemeris | 2020MNRAS.499..428S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6361 +105 −82 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.08 ± 0.14 | dex |
| Stellar mass | 1.22 +0.07 −0.08 | Msun |
| Stellar radius | 1.47 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.193 +0.028 −0.029 | c.g.s. |
| Stellar mean density | 0.387 +0.028 −0.027 ( 0.546 +0.040 −0.038 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.33 ± 0.01 | |
| Orbital semimajor axis | 0.06 +0.0012 −0.0013 | AU |
| Planetary mass | 4.22 ± 0.18 ( 1341 ± 57 ) | Mjup Mearth |
| Planetary radius | 1.11 ± 0.03 ( 12.44 ± 0.34 ) | Rjup Rearth |
| Planetary surface gravity | 85.1 +6.1 −5.7 3.93 +0.03 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 2.881 +0.3 −0.279 ( 3.82 +0.40 −0.37 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2020MNRAS.499..428S |
| Reference | λ (degrees) |
|---|---|
| Knudstrup et al. (2024) | −10 + 18 - 16 |
Page generated on 2026/01/29 John Southworth (Keele University, UK)