This page summarises the information held within TEPCat for the transiting planetary system HATS-22. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2017MNRAS.468..835B | |
| Date of discovery paper | 2016 / 7 / 5 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 11 36 02.16 | h m s |
| Declination | −29 32 35.9 | d m s |
| Right ascension (decimal) | 174.00900 | degrees |
| Declination (decimal) | -29.54331 | degrees |
| V-band apparent magnitude | 13.46 | mag |
| K-band apparent magnitude | 10.94 | mag |
| Transit duration | 0.0913 ( 2.191 ) | day hour |
| Transit depth | 2.5 | % |
| Time of mid-transit | 2457078.58030 ± 0.00022 | HJD or BJD |
| Orbital period | 4.7228124 ± 0.0000052 | days |
| Reference for orbital ephemeris | 2017MNRAS.468..835B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4803 ± 55 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.000 ± 0.040 | dex |
| Stellar mass | 0.759 ± 0.019 | Msun |
| Stellar radius | 0.689 +0.028 −0.018 | Rsun |
| Stellar logarithmic surface gravity | 4.644 ± 0.028 | c.g.s. |
| Stellar mean density | 2.32 +0.18 −0.28 ( 3.27 +0.25 −0.40 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.079 ± 0.026 | |
| Orbital semimajor axis | 0.05025 ± 0.00042 | AU |
| Planetary mass | 2.74 ± 0.11 ( 871 ± 34 ) | Mjup Mearth |
| Planetary radius | 0.953 +0.048 −0.029 ( 10.68 + 0.54 − 0.33 ) | Rjup Rearth |
| Planetary surface gravity | 73.8 +6.4 −5.9 3.87 +0.04 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 2.93 ± 0.34 ( 3.89 ± 0.45 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 858 +24 −17 | K |
| Reference of detailed study | 2017MNRAS.468..835B |
HATS-22 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)