This page summarises the information held within TEPCat for the transiting system K2-270c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....156..277L | |
| Date of discovery paper | 2018 / 10 / 10 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 08 45 03.98 | h m s |
| Declination | +13 32 59.4 | d m s |
| Right ascension (decimal) | 131.26658 | degrees |
| Declination (decimal) | 13.54983 | degrees |
| V-band apparent magnitude | 13.19 | mag |
| K-band apparent magnitude | 11.37 | mag |
| Transit duration | 0.1009 ( 2.422 ) | day hour |
| Transit depth | 0.12 | % |
| Time of mid-transit | 2457142.97510 ± 0.00166 | HJD or BJD |
| Orbital period | 4.4000280 ± 0.0001690 | days |
| Reference for orbital ephemeris | 2018AJ....156..277L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4877 ± 58 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.26 ± 0.06 | dex |
| Stellar mass | 0.850 ± 0.020 | Msun |
| Stellar radius | 0.770 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.590 ± 0.010 | c.g.s. |
| Stellar mean density | 6.352 +2.821 −2.155 ( 9.0 +4.0 −3.0 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.04970 ± 0.00040 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.263 ± 0.014 ( 2.95 ± 0.16 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 848 ± 12 | K |
| Reference of detailed study | 2018AJ....156..277L |
K2-270c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)