This page summarises the information held within TEPCat for the transiting system K2-180b. 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 | 08 25 51.34 | h m s |
| Declination | +10 14 49.0 | d m s |
| Right ascension (decimal) | 126.46392 | degrees |
| Declination (decimal) | 10.24694 | degrees |
| V-band apparent magnitude | 12.25 | mag |
| K-band apparent magnitude | 10.68 | mag |
| Transit duration | 0.1255 ( 3.012 ) | day hour |
| Transit depth | 0.09 | % |
| Time of mid-transit | 2457143.38934 ± 0.00448 | HJD or BJD |
| Orbital period | 8.8672090 ± 0.0010680 | days |
| Reference for orbital ephemeris | 2018AJ....156..277L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5358 ± 65 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.54 ± 0.06 | dex |
| Stellar mass | 0.720 ± 0.030 | Msun |
| Stellar radius | 0.720 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.580 ± 0.030 | c.g.s. |
| Stellar mean density | 2.394 +1.450 −1.037 ( 3.4 +2.0 −1.5 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.07530 ± 0.00100 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.206 ± 0.014 ( 2.31 ± 0.16 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 731 ± 11 | K |
| Reference of detailed study | 2018AJ....156..277L |
K2-180b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)