This page summarises the information held within TEPCat for the transiting planetary system K2-133b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.473L.131W | |
| Date of discovery paper | 2017 / 10 / 14 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 04 40 35.63 | h m s |
| Declination | +25 00 36.1 | d m s |
| Right ascension (decimal) | 70.14846 | degrees |
| Declination (decimal) | 25.01003 | degrees |
| V-band apparent magnitude | 14.00 | mag |
| K-band apparent magnitude | 10.28 | mag |
| Transit duration | 0.051 ( 1.22 ) | day hour |
| Transit depth | 0.071 | % |
| Time of mid-transit | 2457821.3150 ± 0.0016 | HJD or BJD |
| Orbital period | 3.07133 ± 0.00011 | days |
| Reference for orbital ephemeris | 2019MNRAS.487.1865W |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3655 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.455 ± 0.022 | Msun |
| Stellar radius | 0.461 +0.011 −0.01 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.03194 +0.00025 −0.00026 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.120 ± 0.007 ( 1.345 ± 0.078 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2019MNRAS.487.1865W |
K2-133b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)