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 | 2457725.16042 ± 0.00072 | HJD or BJD |
| Orbital period | 4.375021 ± 0.000010 | days |
| Reference for orbital ephemeris | 2020AJ....160..222J |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5732 ± 25 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.102 ± 0.043 | dex |
| Stellar mass | 0.890 +0.016 −0.012 | Msun |
| Stellar radius | 1.105 ± 0.016 | Rsun |
| Stellar logarithmic surface gravity | 4.301 ± 0.013 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 +0.122 −0.0 | |
| Orbital semimajor axis | 0.05036 +0.00030 −0.00023 | AU |
| Planetary mass | 0.074 ± 0.011 ( 23.5 ± 3.5 ) | Mjup Mearth |
| Planetary radius | 0.614 ± 0.017 ( 6.88 ± 0.19 ) | Rjup Rearth |
| Planetary surface gravity | 4.91 +0.93 −0.78 2.69 +0.08 −0.08 | m/s2 log(cgs) |
| Planetary mean density | 0.304 ± 0.054 ( 0.403 ± 0.072 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1294 ± 10 | K |
| Reference of detailed study | 2020AJ....160..222J |
HATS-38 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)