This page summarises the information held within TEPCat for the transiting planetary system K2-3b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015ApJ...804...10C | |
| Date of discovery paper | 2014 / 1 / 16 | y / m / d |
| Right ascension | 11 29 20.39 | h m s |
| Declination | −01 27 17.2 | d m s |
| V-band apparent magnitude | 12.17 | mag |
| K-band apparent magnitude | 8.56 | mag |
| Transit duration | 0.1068 ( 2.563 ) | day hour |
| Transit depth | 0.014 | % |
| Time of mid-transit | 2456813.41843 ± 0.00041 | HJD or BJD |
| Orbital period | 10.054626 ± 0.000011 | days |
| Reference for orbital ephemeris | arXiv:1812.08241 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3835 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.01 ± 0.09 | dex |
| Stellar mass | 0.62 ± 0.06 | Msun |
| Stellar radius | 0.60 ± 0.06 | Rsun |
| Stellar logarithmic surface gravity | 4.66 ± 0.05 | c.g.s. |
| Stellar mean density | 2.49 ± 0.43 ( 3.51 ± 0.61 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0777 +0.0024 −0.0026 | AU |
| Planetary mass | 0.0204 +0.0031 −0.0029 ( 6.48 +0.99 −0.92 ) | Mjup Mearth |
| Planetary radius | 0.204 ± 0.021 ( 2.29 ± 0.24 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 2.3 +1.0 −0.7 ( 3.05 +1.33 −0.93 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | arXiv:1812.08241 |
K2-3b does not have an entry in the catalogue of orbital obliquity measurements.
K2-3b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2021/01/04 John Southworth (Keele University, UK)