This page summarises the information held within TEPCat for the transiting planetary system K2-199b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....155..136M | |
| Date of discovery paper | 2018 / 2 / 14 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 13 55 36.41 | h m s |
| Declination | −06 08 10.1 | d m s |
| Right ascension (decimal) | 208.90171 | degrees |
| Declination (decimal) | -6.13614 | degrees |
| V-band apparent magnitude | 12.29 | mag |
| K-band apparent magnitude | 10.28 | mag |
| Transit duration | 0.0840 ( 2.016 ) | day hour |
| Transit depth | 0.08 | % |
| Time of mid-transit | 2457218.73733 ± 0.00053 | HJD or BJD |
| Orbital period | 3.2253993 ± 0.0000024 | days |
| Reference for orbital ephemeris | 2021AJ....162..294A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4491 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.01 ± 0.09 | dex |
| Stellar mass | 0.711 +0.022 −0.024 | Msun |
| Stellar radius | 0.682 ± 0.014 | Rsun |
| Stellar logarithmic surface gravity | c.g.s. | |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.02 +0.03 −0.02 | |
| Orbital semimajor axis | 0.0382 ± 0.0004 | AU |
| Planetary mass | 0.022 ± 0.006 ( 7.0 ± 1.9 ) | Mjup Mearth |
| Planetary radius | 0.154 +0.005 −0.004 ( 1.726 +0.056 −0.045 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 5.4 +1.6 −1.5 ( 7.2 +2.1 −2.0 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 913 ± 23 | K |
| Reference of detailed study | 2021AJ....162..294A |
K2-199b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)