This page summarises the information held within TEPCat for the transiting planetary system K2-24b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...818...36P | |
| Date of discovery paper | 2015 / 11 / 17 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 16 10 17.69 | h m s |
| Declination | −24 59 25.2 | d m s |
| Right ascension (decimal) | 242.57371 | degrees |
| Declination (decimal) | -24.99033 | degrees |
| V-band apparent magnitude | 11.28 | mag |
| K-band apparent magnitude | 9.18 | mag |
| Transit duration | 0.22437 ( 5.3849 ) | day hour |
| Transit depth | 0.23 | % |
| Time of mid-transit | 2456905.8855 ± 0.0054 | HJD or BJD |
| Orbital period | 20.88977 ± 0.00035 | days |
| Reference for orbital ephemeris | 2018AJ....156...89P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5726 ± 65 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.41 ± 0.05 | dex |
| Stellar mass | 1.091 ± 0.056 | Msun |
| Stellar radius | 1.185 ± 0.011 | Rsun |
| Stellar logarithmic surface gravity | 4.48 ± 0.03 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0498 +0.0011 −0.0018 | |
| Orbital semimajor axis | 0.1673 +0.0034 −0.0056 | AU |
| Planetary mass | 0.0648 +0.0050 −0.0009 ( 20.60 +1.59 −0.29 ) | Mjup Mearth |
| Planetary radius | 0.5030 +0.0058 −0.0054 ( 5.638 +0.065 −0.061 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.476 +0.041 −0.017 ( 0.631 +0.054 −0.023 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 732 ± 11 | K |
| Reference of detailed study | 2024A+A...690A.349N |
K2-24b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)