This page summarises the information held within TEPCat for the transiting planetary system K2-417. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2023MNRAS.523..474I | |
| Date of discovery paper | 2023 / 5 / 31 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 23 20 33.88 | h m s |
| Declination | −10 02 09.5 | d m s |
| Right ascension (decimal) | 350.14117 | degrees |
| Declination (decimal) | -10.03597 | degrees |
| V-band apparent magnitude | 13.91 | mag |
| K-band apparent magnitude | 10.06 | mag |
| Transit duration | 0.086 ( 2.06 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2458373.0321 ± 0.0010 | HJD or BJD |
| Orbital period | 6.5350 ± 0.0014 | days |
| Reference for orbital ephemeris | 2023MNRAS.523..474I |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3861 ± 77 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.569 ± 0.012 | Msun |
| Stellar radius | 0.5776 ± 0.0040 | Rsun |
| Stellar logarithmic surface gravity | 4.670 ± 0.014 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.063 +0.006 −0.014 | AU |
| Planetary mass | 0.0 +2.2 −0.0 ( 0 +699 −0 ) | Mjup Mearth |
| Planetary radius | 0.295 +0.012 −0.011 ( 3.31 +0.13 −0.12 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 558 ± 55 | K |
| Reference of detailed study | 2023MNRAS.523..474I |
K2-417 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)