This page summarises the information held within TEPCat for the transiting planetary system HAT-P-69. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019AJ....158..141Z | |
| Date of discovery paper | 2019 / 6 / 4 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 08 42 01.35 | h m s |
| Declination | +03 42 38.0 | d m s |
| Right ascension (decimal) | 130.50562 | degrees |
| Declination (decimal) | 3.71056 | degrees |
| V-band apparent magnitude | 9.77 | mag |
| K-band apparent magnitude | 9.28 | mag |
| Transit duration | 0.2136 ( 5.126 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2458495.78861 ± 0.00073 | HJD or BJD |
| Orbital period | 4.7869491 ± 0.0000020 | days |
| Reference for orbital ephemeris | 2019AJ....158..141Z |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 7394 +360 −600 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.069 +0.058 −0.075 | dex |
| Stellar mass | 1.648 +0.058 −0.026 | Msun |
| Stellar radius | 1.926 +0.060 −0.031 | Rsun |
| Stellar logarithmic surface gravity | 4.110 +0.034 −0.064 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.06555 +0.00070 −0.00035 | AU |
| Planetary mass | 3.58 ± 0.58 ( 11380 ± 1844 ) | Mjup Mearth |
| Planetary radius | 1.676 +0.021 −0.033 ( 18.79 + 0.24 − 0.37 ) | Rjup Rearth |
| Planetary surface gravity | 33.2 +5.3 −5.0 3.52 +0.06 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.77 +0.14 −0.12 ( 1.02 +0.19 −0.16 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1930 +80 −230 | K |
| Reference of detailed study | 2019AJ....158..141Z |
| Reference | λ (degrees) |
|---|---|
| Zhou et al. (2019) | 21.2 + 4.6 - 3.6 |
Page generated on 2025/08/27 John Southworth (Keele University, UK)