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 | 2455091.53464 ± 0.00010 | HJD or BJD |
| Orbital period | 4.00878388 ± 0.00000015 | days |
| Reference for orbital ephemeris | 2022AJ....164..220H |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4969 +47 −48 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.243 ± 0.049 | dex |
| Stellar mass | 0.845 +0.037 −0.035 | Msun |
| Stellar radius | 0.792 +0.021 −0.025 | Rsun |
| Stellar logarithmic surface gravity | 4.567 +0.030 −0.022 | c.g.s. |
| Stellar mean density | 1.69 +0.18 −0.11 ( 2.38 +0.25 −0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.084 ± 0.041 | |
| Orbital semimajor axis | 0.04649 +0.00062 −0.00059 | AU |
| Planetary mass | 0.284 ± 0.017 ( 90.3 ± 5.4 ) | Mjup Mearth |
| Planetary radius | 1.064 +0.031 −0.034 ( 11.93 + 0.35 − 0.38 ) | Rjup Rearth |
| Planetary surface gravity | 6.24 +0.48 −0.44 2.80 +0.03 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.221 +0.023 −0.020 ( 0.293 +0.031 −0.027 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 986 +16 −18 | K |
| Reference of detailed study | 2020MNRAS.496.4174B |
HAT-P-19 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)