This page summarises the information held within TEPCat for the transiting planetary system HATS-42. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.477.3406B | |
| Date of discovery paper | 2018 / 4 / 6 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 07 13 48.58 | h m s |
| Declination | −33 26 14.4 | d m s |
| Right ascension (decimal) | 108.45242 | degrees |
| Declination (decimal) | -33.43733 | degrees |
| V-band apparent magnitude | 13.62 | mag |
| K-band apparent magnitude | 12.25 | mag |
| Transit duration | 0.1361 ( 3.266 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2456768.60734 ± 0.00069 | HJD or BJD |
| Orbital period | 2.2921020 ± 0.0000021 | days |
| Reference for orbital ephemeris | 2018MNRAS.477.3406B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6060 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.220 ± 0.070 | dex |
| Stellar mass | 1.273 ± 0.067 | Msun |
| Stellar radius | 1.48 +0.20 −0.12 | Rsun |
| Stellar logarithmic surface gravity | 4.201 ± 0.070 | c.g.s. |
| Stellar mean density | 0.39 ± 0.09 ( 0.55 ± 0.13 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.229 −0.0 | |
| Orbital semimajor axis | 0.03689 ± 0.00065 | AU |
| Planetary mass | 1.88 ± 0.15 ( 597 ± 47 ) | Mjup Mearth |
| Planetary radius | 1.40 +0.25 −0.14 ( 15.7 + 2.8 − 1.6 ) | Rjup Rearth |
| Planetary surface gravity | 23.4 +5.5 −6.3 3.37 +0.09 −0.14 | m/s2 log(cgs) |
| Planetary mean density | 0.63 ± 0.21 ( 0.84 ± 0.28 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1856 +105 −76 | K |
| Reference of detailed study | 2018MNRAS.477.3406B |
HATS-42 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)