This page summarises the information held within TEPCat for the transiting system K2-152b. 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 06 31.87 | h m s |
| Declination | −05 49 38.6 | d m s |
| Right ascension (decimal) | 181.63279 | degrees |
| Declination (decimal) | -5.82739 | degrees |
| V-band apparent magnitude | 12.77 | mag |
| K-band apparent magnitude | 10.10 | mag |
| Transit duration | 0.1718 ( 4.123 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2457608.62220 ± 0.01350 | HJD or BJD |
| Orbital period | 32.6479000 ± 0.0114100 | days |
| Reference for orbital ephemeris | 2018AJ....156...78L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4044 +34 −35 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.12 +0.09 −0.08 | dex |
| Stellar mass | 0.630 ± 0.010 | Msun |
| Stellar radius | 0.610 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.670 ± 0.010 | c.g.s. |
| Stellar mean density | 2.600 ± 0.400 ( 3.67 ± 0.56 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.17160 ± 0.00120 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.204 +0.022 −0.021 ( 2.29 +0.25 −0.24 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 337 ± 3 | K |
| Reference of detailed study | 2018AJ....156...78L |
K2-152b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)