This page summarises the information held within TEPCat for the transiting planetary system K2-146b. 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 40 06.42 | h m s |
| Declination | +19 05 34.4 | d m s |
| Right ascension (decimal) | 130.02675 | degrees |
| Declination (decimal) | 19.09289 | degrees |
| V-band apparent magnitude | 16.25 | mag |
| K-band apparent magnitude | 11.37 | mag |
| Transit duration | 0.034 ( 0.82 ) | day hour |
| Transit depth | 0.4 | % |
| Time of mid-transit | 2458204.5902 ± 0.0005 | HJD or BJD |
| Orbital period | 2.64460 ± 0.00006 | days |
| Reference for orbital ephemeris | 2019AJ....158..133H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3385 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.02 ± 0.12 | dex |
| Stellar mass | 0.331 ± 0.009 | Msun |
| Stellar radius | 0.330 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.906 ± 0.041 | c.g.s. |
| Stellar mean density | 9.3 ± 0.8 ( 13.1 ± 1.1 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.129 ± 0.019 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 0.0182 ± 0.0002 ( 5.786 ± 0.064 ) | Mjup Mearth |
| Planetary radius | 0.183 ± 0.005 ( 2.051 ± 0.056 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2019AJ....158..133H |
K2-146b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/12 John Southworth (Keele University, UK)