This page summarises the information held within TEPCat for the transiting planetary system HATS-54. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:1812.07668 | |
| Date of discovery paper | 2018 / 12 / 20 | y / m / d |
| Right ascension | 13 22 32.37 | h m s |
| Declination | −44 41 19.7 | d m s |
| V-band apparent magnitude | 13.91 | mag |
| K-band apparent magnitude | 12.17 | mag |
| Transit duration | 0.1042 ( 2.501 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2457780.01102 ± 0.00089 | HJD or BJD |
| Orbital period | 2.5441828 ± 0.0000043 | days |
| Reference for orbital ephemeris | arXiv:1812.07668 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5528 ± 78 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.390 ± 0.032 | dex |
| Stellar mass | 1.097 ± 0.022 | Msun |
| Stellar radius | 1.317 ± 0.036 | Rsun |
| Stellar logarithmic surface gravity | 4.240 ± 0.023 | c.g.s. |
| Stellar mean density | 0.481 ± 0.038 ( 0.679 ± 0.054 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.126 −0.0 | |
| Orbital semimajor axis | 0.03763 ± 0.00024 | AU |
| Planetary mass | 0.76 ± 0.10 ( 241 ± 31 ) | Mjup Mearth |
| Planetary radius | 1.067 ± 0.052 ( 11.96 ± 0.58 ) | Rjup Rearth |
| Planetary surface gravity | 16.4 +3.1 −2.6 3.21 +0.08 −0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.580 ± 0.121 ( 0.77 ± 0.16 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1625 ± 22 | K |
| Reference of detailed study | arXiv:1812.07668 |
HATS-54 does not have an entry in the catalogue of orbital obliquity measurements.
HATS-54 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2021/01/04 John Southworth (Keele University, UK)