This page summarises the information held within TEPCat for the transiting system K2-156b. 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 10 48.04 | h m s |
| Declination | −06 17 39.1 | d m s |
| Right ascension (decimal) | 182.70017 | degrees |
| Declination (decimal) | -6.29419 | degrees |
| V-band apparent magnitude | 12.65 | mag |
| K-band apparent magnitude | 10.39 | mag |
| Transit duration | 0.0533 ( 1.279 ) | day hour |
| Transit depth | 0.03 | % |
| Time of mid-transit | 2457583.14270 ± 0.00410 | HJD or BJD |
| Orbital period | 0.8131400 ± 0.0000700 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4597 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.25 ± 0.06 | dex |
| Stellar mass | 0.660 +0.020 −0.010 | Msun |
| Stellar radius | 0.660 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.620 +0.020 −0.010 | c.g.s. |
| Stellar mean density | 1.400 ± 0.700 ( 1.98 ± 0.99 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.01490 ± 0.00010 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.103 +0.009 −0.006 ( 1.155 +0.101 −0.067 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1347 +18 −19 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-156b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)