This page summarises the information held within TEPCat for the transiting planetary system K2-19b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015A+A...582A..33A | |
| Date of discovery paper | 2015 / 3 / 3 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 11 39 50.48 | h m s |
| Declination | +00 36 12.9 | d m s |
| Right ascension (decimal) | 174.96033 | degrees |
| Declination (decimal) | 0.60358 | degrees |
| V-band apparent magnitude | 13.00 | mag |
| K-band apparent magnitude | 11.16 | mag |
| Transit duration | 0.1362 ( 3.269 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2456813.3767 ± 0.0021 | HJD or BJD |
| Orbital period | 7.921101 ± 0.000007 | days |
| Reference for orbital ephemeris | 2015MNRAS.454.4267B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5430 ± 60 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.10 ± 0.04 | dex |
| Stellar mass | 0.93 ± 0.05 | Msun |
| Stellar radius | 0.86 ± 0.04 | Rsun |
| Stellar logarithmic surface gravity | 4.63 ± 0.07 | c.g.s. |
| Stellar mean density | 1.23 ± 0.33 ( 1.74 ± 0.47 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.20 ± 0.03 | |
| Orbital semimajor axis | 0.0762 ± 0.0022 | AU |
| Planetary mass | 0.102 ± 0.005 ( 32.4 ± 1.6 ) | Mjup Mearth |
| Planetary radius | 0.624 ± 0.018 ( 6.99 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | 8.4 +1.2 −2.7 2.92 +0.06 −0.17 | m/s2 log(cgs) |
| Planetary mean density | 0.252 +0.061 −0.058 ( 0.334 +0.081 −0.077 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2020AJ....159....2P |
K2-19b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/04 John Southworth (Keele University, UK)