This page summarises the information held within TEPCat for the transiting planetary system K2-19c. 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 | 0.1536 ( 3.686 ) | day hour |
| Transit depth | 0.25 | % |
| Time of mid-transit | 2456817.2755 ± 0.0022 | HJD or BJD |
| Orbital period | 11.90727 ± 0.00006 | 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 | 0.21 ± 0.03 | |
| Orbital semimajor axis | 0.1001 ± 0.0029 | AU |
| Planetary mass | 0.0340 ± 0.0019 ( 10.81 ± 0.60 ) | Mjup Mearth |
| Planetary radius | 0.366 ± 0.018 ( 4.10 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | 9.0 +2.1 −2.6 2.95 +0.09 −0.15 | m/s2 log(cgs) |
| Planetary mean density | 0.89 ± 0.43 ( 1.18 ± 0.57 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2020AJ....159....2P |
K2-19c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/24 John Southworth (Keele University, UK)