This page summarises the information held within TEPCat for the transiting planetary system HATS-38. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020AJ....160..222J | |
| Date of discovery paper | 2020 / 7 / 15 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 10 17 05.08 | h m s |
| Declination | −25 16 34.6 | d m s |
| Right ascension (decimal) | 154.27117 | degrees |
| Declination (decimal) | -25.27628 | degrees |
| V-band apparent magnitude | 12.41 | mag |
| K-band apparent magnitude | 10.77 | mag |
| Transit duration | 0.1340 ( 3.216 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2457786.4105 ± 0.0005 | HJD or BJD |
| Orbital period | 4.37504 ± 0.00002 | days |
| Reference for orbital ephemeris | 2024AJ....168..185E |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5662 ± 80 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.102 ± 0.043 | dex |
| Stellar mass | 0.92 ± 0.03 | Msun |
| Stellar radius | 1.08 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.34 ± 0.02 | c.g.s. |
| Stellar mean density | 0.72 +0.06 −0.04 ( 1.016 +0.085 −0.056 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.112 +0.072 −0.070 | |
| Orbital semimajor axis | 0.0510 ± 0.0002 | AU |
| Planetary mass | 0.065 +0.015 −0.014 ( 20.7 +4.8 −4.5 ) | Mjup Mearth |
| Planetary radius | 0.598 ± 0.018 ( 6.70 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.29 +0.08 −0.07 ( 0.385 +0.106 −0.093 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1294 ± 10 | K |
| Reference of detailed study | 2024AJ....168..185E |
| Reference | λ (degrees) |
|---|---|
| Espinoza-Retamal et al. (2024) | −108 + 11 - 16 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)