This page summarises the information held within TEPCat for the transiting planetary system K2-266c. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2018AJ....156..245R | |
Date of discovery paper | 2018 / 6 / 25 | y / m / d |
Data/telescope used for discovery | K2 | |
Right ascension | 10 31 44.51 | h m s |
Declination | +00 56 15.3 | d m s |
Right ascension (decimal) | 157.93546 | degrees |
Declination (decimal) | 0.93758 | degrees |
V-band apparent magnitude | 11.81 | mag |
K-band apparent magnitude | 8.90 | mag |
Transit duration | 0.0893 ( 2.143 ) | day hour |
Transit depth | 0.10 | % |
Time of mid-transit | 2457946.6510 ± 0.0065 | HJD or BJD |
Orbital period | 7.8140 ± 0.0018 | days |
Reference for orbital ephemeris | 2018AJ....156..245R |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 4285 +49 −57 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | −0.12 +0.40 −0.42 | dex |
Stellar mass | 0.686 ± 0.033 | Msun |
Stellar radius | 0.703 +0.024 −0.022 | Rsun |
Stellar logarithmic surface gravity | 4.581 +0.032 −0.037 | c.g.s. |
Stellar mean density | 1.98 +0.21 −0.22 ( 2.79 +0.30 −0.31 ) | ρsun g cm-3 |
Orbital eccentricity | 0.042 +0.043 −0.030 | |
Orbital semimajor axis | 0.0679 ± 0.0011 | AU |
Planetary mass | 0.0009 +0.0005 −0.0004 ( 0.29 +0.16 −0.13 ) | Mjup Mearth |
Planetary radius | 0.063 +0.009 −0.008 ( 0.706 +0.101 −0.090 ) | Rjup Rearth |
Planetary surface gravity | 5.6 +1.6 −1.3 2.7 +0.1 −0.1 | m/s2 log(cgs) |
Planetary mean density | 3.40 +0.61 −0.51 ( 4.51 +0.81 −0.68 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 665 +8 −7 | K |
Reference of detailed study | 2018AJ....156..245R |
K2-266c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)