This page summarises the information held within TEPCat for the transiting planetary system HAT-P-19. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011ApJ...726...52H | |
| Date of discovery paper | 2010 / 7 / 29 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 00 38 04.02 | h m s |
| Declination | +34 42 41.7 | d m s |
| Right ascension (decimal) | 9.51675 | degrees |
| Declination (decimal) | 34.71158 | degrees |
| V-band apparent magnitude | 12.90 | mag |
| K-band apparent magnitude | 10.55 | mag |
| Transit duration | 0.11804 ( 2.8330 ) | day hour |
| Transit depth | 2.2 | % |
| Time of mid-transit | 2456610.863945 ± 0.000071 | HJD or BJD |
| Orbital period | 4.00878322 ± 0.00000019 | days |
| Reference for orbital ephemeris | 2024MNRAS.528.1930K |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4962 +39 −41 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.166 +0.070 −0.068 | dex |
| Stellar mass | 0.807 +0.034 −0.030 | Msun |
| Stellar radius | 0.773 +0.011 −0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.5687 +0.0066 −0.0056 | c.g.s. |
| Stellar mean density | 1.749 +0.013 −0.023 ( 2.468 +0.018 −0.032 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.084 ± 0.041 | |
| Orbital semimajor axis | 0.04599 +0.00063 −0.00058 | AU |
| Planetary mass | 0.277 +0.017 −0.016 ( 88.1 +5.4 −5.1 ) | Mjup Mearth |
| Planetary radius | 1.008 +0.014 −0.013 ( 11.30 + 0.16 − 0.15 ) | Rjup Rearth |
| Planetary surface gravity | 6.76 +0.37 −0.36 2.83 +0.02 −0.02 | m/s2 log(cgs) |
| Planetary mean density | 0.253 ± 0.014 ( 0.336 ± 0.019 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 981 ± 8 | K |
| Reference of detailed study | 2024MNRAS.528.1930K |
HAT-P-19 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)