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 | 2019AJ....158...63E | |
| Date of discovery paper | 2018 / 12 / 20 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 13 22 32.37 | h m s |
| Declination | −44 41 19.7 | d m s |
| Right ascension (decimal) | 200.63488 | degrees |
| Declination (decimal) | -44.68881 | degrees |
| V-band apparent magnitude | 13.91 | mag |
| K-band apparent magnitude | 12.17 | mag |
| Transit duration | 0.1028 ( 2.467 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2457780.01023 ± 0.00061 | HJD or BJD |
| Orbital period | 2.5441765 ± 0.0000024 | days |
| Reference for orbital ephemeris | 2023MNRAS.518.4845J |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5621 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.37 ± 0.07 | dex |
| Stellar mass | 1.05 ± 0.05 | Msun |
| Stellar radius | 1.23 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.20 ± 0.20 | c.g.s. |
| Stellar mean density | 0.563 ± 0.037 ( 0.794 ± 0.052 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.126 −0.0 | |
| Orbital semimajor axis | 0.0370 ± 0.0010 | AU |
| Planetary mass | 0.753 ± 0.057 ( 239 ± 18 ) | Mjup Mearth |
| Planetary radius | 1.015 ± 0.024 ( 11.38 ± 0.27 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.709 +0.090 −0.083 ( 0.94 +0.12 −0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1429 ± 24 | K |
| Reference of detailed study | 2023MNRAS.518.4845J |
HATS-54 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)