This page summarises the information held within TEPCat for the transiting planetary system K2-38c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...827...78S | |
| Date of discovery paper | 2015 / 12 / 1 | y / m / d |
| Right ascension | 16 00 08.06 | h m s |
| Declination | −23 11 21.4 | d m s |
| V-band apparent magnitude | 11.39 | mag |
| K-band apparent magnitude | 9.47 | mag |
| Transit duration | 0.11 ( 2.6 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2456900.4752 ± 0.0033 | HJD or BJD |
| Orbital period | 10.56103 ± 0.00090 | days |
| Reference for orbital ephemeris | 2016ApJ...827...78S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5757 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.28 ± 0.04 | dex |
| Stellar mass | 1.03 +0.04 −0.02 | Msun |
| Stellar radius | 1.06 +0.09 −0.06 | Rsun |
| Stellar logarithmic surface gravity | 4.38 ± 0.11 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.161 +0.096 −0.068 | |
| Orbital semimajor axis | 0.09514 +0.00091 −0.00094 | AU |
| Planetary mass | 0.0261 ± 0.0041 ( 8.3 ± 1.3 ) | Mjup Mearth |
| Planetary radius | 0.204 ± 0.023 ( 2.29 ± 0.26 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 2.9 +1.4 −0.8 ( 3.8 +1.9 −1.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 916 +32 −37 | K |
| Reference of detailed study | arXiv:2007.01081 |
K2-38c does not have an entry in the catalogue of orbital obliquity measurements.
K2-38c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2021/01/04 John Southworth (Keele University, UK)