This page summarises the information held within TEPCat for the transiting planetary system HATS-8. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015AJ....150...49B | |
| Date of discovery paper | 2015 / 6 / 4 | y / m / d |
| Data/telescope used for discovery | HATS | |
| Right ascension | 19 39 46.08 | h m s |
| Declination | −25 44 53.9 | d m s |
| Right ascension (decimal) | 294.94200 | degrees |
| Declination (decimal) | -25.74831 | degrees |
| V-band apparent magnitude | 14.03 | mag |
| K-band apparent magnitude | 12.66 | mag |
| Transit duration | 0.1263 ( 3.031 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2456672.1102 ± 0.0012 | HJD or BJD |
| Orbital period | 3.583893 ± 0.000010 | days |
| Reference for orbital ephemeris | 2015AJ....150...49B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5679 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.210 ± 0.080 | dex |
| Stellar mass | 1.056 ± 0.037 | Msun |
| Stellar radius | 1.086 +0.149 −0.049 | Rsun |
| Stellar logarithmic surface gravity | 4.386 ± 0.071 | c.g.s. |
| Stellar mean density | 0.82 +0.20 −0.15 ( 1.16 +0.28 −0.21 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.376 −0.0 | |
| Orbital semimajor axis | 0.04667 ± 0.00055 | AU |
| Planetary mass | 0.138 ± 0.019 ( 43.9 ± 6.0 ) | Mjup Mearth |
| Planetary radius | 0.873 +0.123 −0.075 ( 9.79 +1.38 −0.84 ) | Rjup Rearth |
| Planetary surface gravity | 4.5 ± 1.2 2.7 ± 0.1 | m/s2 log(cgs) |
| Planetary mean density | 0.195 ± 0.068 ( 0.259 ± 0.090 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1324 +79 −38 | K |
| Reference of detailed study | 2015AJ....150...49B |
HATS-8 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/01/01 John Southworth (Keele University, UK)