This page summarises the information held within TEPCat for the transiting planetary system HAT-P-24. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2010ApJ...725.2017K | |
| Date of discovery paper | 2010 / 8 / 23 | y / m / d |
| Data/telescope used for discovery | HAT | |
| Right ascension | 07 15 18.00 | h m s |
| Declination | +14 15 45.4 | d m s |
| Right ascension (decimal) | 108.82500 | degrees |
| Declination (decimal) | 14.26261 | degrees |
| V-band apparent magnitude | 11.75 | mag |
| K-band apparent magnitude | 10.54 | mag |
| Transit duration | 0.1539 ( 3.694 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2455216.97744 ± 0.00039 | HJD or BJD |
| Orbital period | 3.35524431 ± 0.00000034 | days |
| Reference for orbital ephemeris | arXiv:2312.03319 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6373 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.16 ± 0.08 | dex |
| Stellar mass | 1.186 +0.042 −0.041 | Msun |
| Stellar radius | 1.294 +0.071 −0.062 | Rsun |
| Stellar logarithmic surface gravity | 4.286 +0.038 −0.039 | c.g.s. |
| Stellar mean density | 0.545 +0.078 −0.072 ( 0.77 +0.11 −0.10 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.052 +0.022 −0.017 | |
| Orbital semimajor axis | 0.04641 ± 0.00054 | AU |
| Planetary mass | 0.681 +0.031 −0.030 ( 216.48 +9.85 −9.54 ) | Mjup Mearth |
| Planetary radius | 1.243 +0.072 −0.061 ( 13.93 + 0.81 − 0.68 ) | Rjup Rearth |
| Planetary surface gravity | 10.9 ± 1.1 3.04 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.354 +0.056 −0.053 ( 0.470 +0.074 −0.070 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1624 +44 −41 | K |
| Reference of detailed study | 2010ApJ...725.2017K |
| Reference | λ (degrees) |
|---|---|
| Albrecht et al. (2012) | 20 ± 16 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)