This page summarises the information held within TEPCat for the transiting planetary system K2-141b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018A+A...612A..95B | |
| Date of discovery paper | 2017 / 11 / 7 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 23 23 39.97 | h m s |
| Declination | −01 11 21.4 | d m s |
| Right ascension (decimal) | 350.91654 | degrees |
| Declination (decimal) | -1.18928 | degrees |
| V-band apparent magnitude | 11.49 | mag |
| K-band apparent magnitude | 8.40 | mag |
| Transit duration | 0.039 ( 0.94 ) | day hour |
| Transit depth | 0.05 | % |
| Time of mid-transit | 2457744.07151 ± 0.00010 | HJD or BJD |
| Orbital period | 0.280329456 ± 0.000000056 | days |
| Reference for orbital ephemeris | 2022A+A...664A..79Z |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4599 ± 79 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.06 +0.08 −0.10 | dex |
| Stellar mass | 0.706 +0.021 −0.015 | Msun |
| Stellar radius | 0.6862 +0.0066 −0.0080 | Rsun |
| Stellar logarithmic surface gravity | 4.62 +0.02 −0.03 | c.g.s. |
| Stellar mean density | 2.74 +0.11 −0.13 ( 3.87 +0.16 −0.18 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.00716 +0.00055 −0.00065 | AU |
| Planetary mass | 0.0162 ± 0.0011 ( 5.15 ± 0.35 ) | Mjup Mearth |
| Planetary radius | 0.1332 +0.0037 −0.0031 ( 1.493 +0.041 −0.035 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 6.4 +1.0 −0.9 ( 8.5 +1.3 −1.2 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2039 +87 −48 | K |
| Reference of detailed study | 2019ApJ...883...79D |
K2-141b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)