This page summarises the information held within TEPCat for the transiting planetary system HATS-31. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016AJ....152..161D | |
| Date of discovery paper | 2016 / 7 / 4 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 12 46 48.72 | h m s |
| Declination | −24 25 38.5 | d m s |
| Right ascension (decimal) | 191.70300 | degrees |
| Declination (decimal) | -24.42736 | degrees |
| V-band apparent magnitude | 13.11 | mag |
| K-band apparent magnitude | 11.57 | mag |
| Transit duration | 0.1914 ( 4.594 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2456960.1476 ± 0.0011 | HJD or BJD |
| Orbital period | 3.377960 ± 0.000012 | days |
| Reference for orbital ephemeris | 2016AJ....152..161D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6050 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.000 ± 0.070 | dex |
| Stellar mass | 1.275 ± 0.096 | Msun |
| Stellar radius | 1.87 ± 0.18 | Rsun |
| Stellar logarithmic surface gravity | 4.000 ± 0.065 | c.g.s. |
| Stellar mean density | 0.195 +0.058 −0.042 ( 0.275 +0.082 −0.059 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.233 −0.0 | |
| Orbital semimajor axis | 0.0478 ± 0.0012 | AU |
| Planetary mass | 0.88 ± 0.12 ( 279 ± 38 ) | Mjup Mearth |
| Planetary radius | 1.64 ± 0.22 ( 18.4 ± 2.5 ) | Rjup Rearth |
| Planetary surface gravity | 7.9 +2.5 −1.9 2.9 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.183 +0.093 −0.066 ( 0.243 +0.123 −0.088 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1823 ± 81 | K |
| Reference of detailed study | 2016AJ....152..161D |
HATS-31 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)