This page summarises the information held within TEPCat for the transiting planetary system K2-155b. Please see here for descriptions of the quantities given below.
Quantity | Value | Unit |
---|---|---|
Reference of discovery paper | 2018MNRAS.476L..50D | |
Date of discovery paper | 2018 / 1 / 22 | y / m / d |
Data/telescope used for discovery | K2 | |
Right ascension | 04 21 52.49 | h m s |
Declination | +21 21 13.0 | d m s |
Right ascension (decimal) | 65.46871 | degrees |
Declination (decimal) | 21.35361 | degrees |
V-band apparent magnitude | 12.81 | mag |
K-band apparent magnitude | 9.50 | mag |
Transit duration | 0.1004 ( 2.410 ) | day hour |
Transit depth | 0.068 | % |
Time of mid-transit | 2457825.068 ± 0.002 | HJD or BJD |
Orbital period | 6.34365 ± 0.00028 | days |
Reference for orbital ephemeris | 2018AJ....155..124H |
Quantity | Value | Unit |
---|---|---|
Stellar effective temperature | 3919 ± 70 | K |
Stellar metal abundance ([Fe/H] or [M/H]) | −0.42 ± 0.12 | dex |
Stellar mass | 0.540 ± 0.056 | Msun |
Stellar radius | 0.526 ± 0.053 | Rsun |
Stellar logarithmic surface gravity | 4.732 ± 0.046 | c.g.s. |
Stellar mean density | 3.84 ± 0.79 ( 5.4 ± 1.1 ) | ρsun g cm-3 |
Orbital eccentricity | 0.0 | |
Orbital semimajor axis | 0.0546 ± 0.0019 | AU |
Planetary mass | Mjup Mearth | |
Planetary radius | 0.138 +0.018 −0.015 ( 1.55 +0.20 −0.17 ) | Rjup Rearth |
Planetary surface gravity | m/s2 log(cgs) | |
Planetary mean density | ρjup g cm-3 | |
Planetary equilibrium temperature | 708 +38 −31 | K |
Reference of detailed study | 2018AJ....155..124H |
K2-155b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/02/12 John Southworth (Keele University, UK)