This page summarises the information held within TEPCat for the transiting planetary system HATS-4. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014AJ....148...29J | |
| Date of discovery paper | 2014 / 2 / 27 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 06 16 26.90 | h m s |
| Declination | −22 32 48.8 | d m s |
| Right ascension (decimal) | 94.11208 | degrees |
| Declination (decimal) | -22.54689 | degrees |
| V-band apparent magnitude | 13.46 | mag |
| K-band apparent magnitude | 11.61 | mag |
| Transit duration | 0.1053 ( 2.527 ) | day hour |
| Transit depth | 2.0 | % |
| Time of mid-transit | 2455808.34095 ± 0.00036 | HJD or BJD |
| Orbital period | 2.516729 ± 0.000002 | days |
| Reference for orbital ephemeris | 2014AJ....148...29J |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5403 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.43 ± 0.08 | dex |
| Stellar mass | 1.001 ± 0.020 | Msun |
| Stellar radius | 0.925 ± 0.022 | Rsun |
| Stellar logarithmic surface gravity | 4.51 ± 0.02 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.013 ± 0.016 | |
| Orbital semimajor axis | 0.0362 ± 0.0002 | AU |
| Planetary mass | 1.323 ± 0.028 ( 420.57 ± 8.90 ) | Mjup Mearth |
| Planetary radius | 1.020 ± 0.037 ( 11.43 ± 0.41 ) | Rjup Rearth |
| Planetary surface gravity | 31.6 ± 2.2 3.50 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 1.17 ± 0.12 ( 1.55 ± 0.16 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1315 ± 21 | K |
| Reference of detailed study | 2014AJ....148...29J |
HATS-4 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)