This page summarises the information held within TEPCat for the transiting system K2-225b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156...78L | |
| Date of discovery paper | 2018 / 7 / 2 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 12 26 09.91 | h m s |
| Declination | −09 37 29.2 | d m s |
| Right ascension (decimal) | 186.54129 | degrees |
| Declination (decimal) | -9.62478 | degrees |
| V-band apparent magnitude | 11.38 | mag |
| K-band apparent magnitude | 9.95 | mag |
| Transit duration | 0.2981 ( 7.154 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2457587.37540 ± 0.00910 | HJD or BJD |
| Orbital period | 15.8720900 ± 0.0038700 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5742 +49 −47 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.38 ± 0.06 | dex |
| Stellar mass | 1.270 +0.020 −0.040 | Msun |
| Stellar radius | 1.700 ± 0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.080 ± 0.020 | c.g.s. |
| Stellar mean density | 0.300 +0.100 −0.200 ( 0.42 +0.14 −0.28 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.13400 ± 0.00100 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.311 +0.023 −0.018 ( 3.49 +0.26 −0.20 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 902 ± 13 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-225b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)