This page summarises the information held within TEPCat for the transiting planetary system K2-180. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:1810.04601 | |
| Date of discovery paper | 2018 / 10 / 11 | y / m / d |
| Right ascension | 08 25 51.35 | h m s |
| Declination | +10 14 49.1 | d m s |
| V-band apparent magnitude | 12.60 | mag |
| K-band apparent magnitude | 10.68 | mag |
| Transit duration | 0.07 ( 1.7 ) | day hour |
| Transit depth | 0.1 | % |
| Time of mid-transit | 2457143.390 ± 0.002 | HJD or BJD |
| Orbital period | 8.8665 ± 0.0003 | days |
| Reference for orbital ephemeris | arXiv:1810.04601 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5110 ± 107 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.65 ± 0.10 | dex |
| Stellar mass | 0.71 ± 0.03 | Msun |
| Stellar radius | 0.69 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.3 ± 0.2 | c.g.s. |
| Stellar mean density | 2.15 ± 0.28 ( 3.03 ± 0.40 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.075 ± 0.001 | AU |
| Planetary mass | 0.036 ± 0.006 ( 11.4 ± 1.9 ) | Mjup Mearth |
| Planetary radius | 0.200 ± 0.011 ( 2.24 ± 0.12 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 4.2 ± 1.4 ( 5.6 ± 1.9 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 729 ± 49 | K |
| Reference of detailed study | arXiv:1810.04601 |
K2-180 does not have an entry in the catalogue of orbital obliquity measurements.
K2-180 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)