This page summarises the information held within TEPCat for the transiting planetary system EPIC 249631677. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....160..172N | |
| Date of discovery paper | 2020 / 6 / 15 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 15 12 05.19 | h m s |
| Declination | −20 06 30.6 | d m s |
| Right ascension (decimal) | 228.02163 | degrees |
| Declination (decimal) | -20.10850 | degrees |
| V-band apparent magnitude | 17.67 | mag |
| K-band apparent magnitude | 11.84 | mag |
| Transit duration | 0.0342 ( 0.821 ) | day hour |
| Transit depth | 0.2 | % |
| Time of mid-transit | 2457990.8620 ± 0.0011 | HJD or BJD |
| Orbital period | 3.1443189 ± 0.0000049 | days |
| Reference for orbital ephemeris | 2020AJ....160..172N |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3300 ± 30 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.24 ± 0.09 | dex |
| Stellar mass | 0.174 ± 0.004 | Msun |
| Stellar radius | 0.196 ± 0.006 | Rsun |
| Stellar logarithmic surface gravity | 5.094 ± 0.006 | c.g.s. |
| Stellar mean density | 23.1 ± 0.7 ( 32.59 ± 0.99 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.0848 ± 0.0052 ( 0.951 ± 0.058 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 460 ± 5 | K |
| Reference of detailed study | 2020AJ....160..172N |
EPIC 249631677 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)