This page summarises the information held within TEPCat for the transiting planetary system K2-263. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2018MNRAS.481.1839M | |
Date of discovery paper | 2018 / 8 / 27 | y / m / d |
Data/telescope used for discovery | K2 | |
Right ascension | 08 38 43.78 | h m s |
Declination | +15 40 50.4 | d m s |
Right ascension (decimal) | 129.68242 | degrees |
Declination (decimal) | 15.68067 | degrees |
V-band apparent magnitude | 11.61 | mag |
K-band apparent magnitude | 9.75 | mag |
Transit duration | 0.1453 ( 3.487 ) | day hour |
Transit depth | 0.06 | % |
Time of mid-transit | 2458111.1274 ± 0.0012 | HJD or BJD |
Orbital period | 50.818947 ± 0.000094 | days |
Reference for orbital ephemeris | 2018MNRAS.481.1839M |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 5372 ± 73 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | −0.08 ± 0.05 | dex |
Stellar mass | 0.88 ± 0.03 | Msun |
Stellar radius | 0.85 ± 0.02 | Rsun |
Stellar logarithmic surface gravity | 4.45 ± 0.10 | c.g.s. |
Stellar mean density | 1.43 ± 0.11 ( 2.02 ± 0.16 ) | ρsun g cm-3 |
Orbital eccentricity | 0.0 +0.14 −0.0 | |
Orbital semimajor axis | 0.2573 ± 0.0029 | AU |
Planetary mass | 0.0466 ± 0.0098 ( 14.8 ± 3.1 ) | Mjup Mearth |
Planetary radius | 0.215 ± 0.011 ( 2.41 ± 0.12 ) | Rjup Rearth |
Planetary surface gravity | 25.1 +6.5 −5.6 3.4 +0.1 −0.1 | m/s2 log(cgs) |
Planetary mean density | 4.3 +1.2 −1.1 ( 5.7 +1.6 −1.5 ) | ρjup g cm-3 |
Planetary equilibrium temperature | 470 ± 10 | K |
Reference of detailed study | 2018MNRAS.481.1839M |
K2-263 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)