This page summarises the information held within TEPCat for the transiting system K2-151b. 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 | 01 17 13.08 | h m s |
| Declination | +09 30 04.9 | d m s |
| Right ascension (decimal) | 19.30450 | degrees |
| Declination (decimal) | 9.50136 | degrees |
| V-band apparent magnitude | 13.03 | mag |
| K-band apparent magnitude | 10.12 | mag |
| Transit duration | 0.0685 ( 1.644 ) | day hour |
| Transit depth | 0.09 | % |
| Time of mid-transit | 2457395.23735 ± 0.00277 | HJD or BJD |
| Orbital period | 3.8354760 ± 0.0002660 | days |
| Reference for orbital ephemeris | 2018AJ....156..277L |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3695 ± 32 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.19 ± 0.07 | dex |
| Stellar mass | 0.470 ± 0.010 | Msun |
| Stellar radius | 0.450 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.800 ± 0.010 | c.g.s. |
| Stellar mean density | 4.778 +3.088 −2.171 ( 6.7 +4.4 −3.1 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.03730 ± 0.00020 | AU |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.133 ± 0.007 ( 1.491 ± 0.078 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 566 ± 6 | K |
| Reference of detailed study | 2018AJ....156..277L |
K2-151b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)