This page summarises the information held within TEPCat for the transiting planetary system K2-155d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.476L..50D | |
| Date of discovery paper | 2018 / 1 / 22 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 04 21 52.49 | h m s |
| Declination | +21 21 13.0 | d m s |
| Right ascension (decimal) | 65.46871 | degrees |
| Declination (decimal) | 21.35361 | degrees |
| V-band apparent magnitude | 12.81 | mag |
| K-band apparent magnitude | 9.50 | mag |
| Transit duration | 0.1860 ( 4.464 ) | day hour |
| Transit depth | 0.074 | % |
| Time of mid-transit | 2457823.500 ± 0.003 | HJD or BJD |
| Orbital period | 40.6835 ± 0.0031 | days |
| Reference for orbital ephemeris | 2018AJ....155..124H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3919 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.42 ± 0.12 | dex |
| Stellar mass | 0.540 ± 0.056 | Msun |
| Stellar radius | 0.526 ± 0.053 | Rsun |
| Stellar logarithmic surface gravity | 4.732 ± 0.046 | c.g.s. |
| Stellar mean density | 3.84 ± 0.79 ( 5.4 ± 1.1 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.1886 ± 0.0066 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.146 ± 0.016 ( 1.64 ± 0.18 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 381 +47 −25 | K |
| Reference of detailed study | 2018AJ....155..124H |
K2-155d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)