This page summarises the information held within TEPCat for the transiting system K2-193b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156..277L | |
| Date of discovery paper | 2018 / 10 / 10 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 13 40 56.89 | h m s |
| Declination | −11 00 33.4 | d m s |
| Right ascension (decimal) | 205.23704 | degrees |
| Declination (decimal) | -11.00928 | degrees |
| V-band apparent magnitude | 12.89 | mag |
| K-band apparent magnitude | 11.48 | mag |
| Transit duration | 0.1812 ( 4.349 ) | day hour |
| Transit depth | 0.14 | % |
| Time of mid-transit | 2457224.26116 ± 0.00186 | HJD or BJD |
| Orbital period | 14.7868890 ± 0.0008030 | days |
| Reference for orbital ephemeris | 2018AJ....156..277L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5817 ± 173 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.00 ± 0.17 | dex |
| Stellar mass | 1.010 ± 0.050 | Msun |
| Stellar radius | 0.980 ± 0.020 | Rsun |
| Stellar logarithmic surface gravity | 4.460 ± 0.030 | c.g.s. |
| Stellar mean density | 1.087 +0.245 −0.210 ( 1.53 +0.35 −0.30 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.11840 +0.00200 −0.00210 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.352 ± 0.011 ( 3.95 ± 0.12 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 739 ± 24 | K |
| Reference of detailed study | 2018AJ....156..277L |
K2-193b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)