This page summarises the information held within TEPCat for the transiting planetary system KELT-19. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018AJ....155...35S | |
| Date of discovery paper | 2017 / 9 / 22 | y / m / d |
| Data/telescope used for discovery | KELT | |
| Right ascension | 07 26 02.29 | h m s |
| Declination | +07 36 56.8 | d m s |
| Right ascension (decimal) | 111.50954 | degrees |
| Declination (decimal) | 7.61578 | degrees |
| V-band apparent magnitude | 9.90 | mag |
| K-band apparent magnitude | 9.20 | mag |
| Transit duration | 0.1831 ( 4.394 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2459218.17799 ± 0.00013 | HJD or BJD |
| Orbital period | 4.6117105 ± 0.0000077 | days |
| Reference for orbital ephemeris | 2022MNRAS.513.2822G |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 7500 ± 110 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.39 ± 0.22 | dex |
| Stellar mass | 1.62 +0.25 −0.20 | Msun |
| Stellar radius | 1.830 ± 0.099 | Rsun |
| Stellar logarithmic surface gravity | 4.127 ± 0.029 | c.g.s. |
| Stellar mean density | 0.266 +0.022 −0.019 ( 0.375 +0.031 −0.027 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0637 +0.0031 −0.0027 | AU |
| Planetary mass | 0.0 +4.07 −0.0 ( 0 +1293 −0 ) | Mjup Mearth |
| Planetary radius | 1.794 ± 0.097 ( 20.1 ± 1.1 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1935 ± 38 | K |
| Reference of detailed study | 2022MNRAS.513.2822G |
| Reference | λ (degrees) |
|---|---|
| Siverd et al. (2018) | −179.7 + 3.7 - 3.8 |
| Kawai et al. (2024) | −179.7 + 3.7 - 3.8 |
Page generated on 2025/01/01 John Southworth (Keele University, UK)