This page summarises the information held within TEPCat for the transiting system K2-274b. 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 37 07.78 | h m s |
| Declination | +20 23 57.7 | d m s |
| Right ascension (decimal) | 129.28242 | degrees |
| Declination (decimal) | 20.39936 | degrees |
| V-band apparent magnitude | 12.61 | mag |
| K-band apparent magnitude | 10.99 | mag |
| Transit duration | 0.1455 ( 3.492 ) | day hour |
| Transit depth | 0.07 | % |
| Time of mid-transit | 2457145.12109 ± 0.00494 | HJD or BJD |
| Orbital period | 14.1297140 ± 0.0021020 | days |
| Reference for orbital ephemeris | 2018AJ....156..277L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5065 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.13 ± 0.05 | dex |
| Stellar mass | 0.810 ± 0.020 | Msun |
| Stellar radius | 0.740 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.610 ± 0.010 | c.g.s. |
| Stellar mean density | 2.114 +0.998 −0.770 ( 3.0 +1.4 −1.1 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.10640 +0.00080 −0.00090 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.196 ± 0.011 ( 2.20 ± 0.12 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 589 ± 9 | K |
| Reference of detailed study | 2018AJ....156..277L |
K2-274b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)