This page summarises the information held within TEPCat for the transiting planetary system WASP-98. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014MNRAS.440.1982H | |
| Date of discovery paper | 2013 / 10 / 22 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 03 53 42.90 | h m s |
| Declination | −34 19 41.7 | d m s |
| Right ascension (decimal) | 58.42875 | degrees |
| Declination (decimal) | -34.32825 | degrees |
| V-band apparent magnitude | 12.98 | mag |
| K-band apparent magnitude | 11.28 | mag |
| Transit duration | 0.0795 ( 1.908 ) | day hour |
| Transit depth | 2.6 | % |
| Time of mid-transit | 2456333.392075 ± 0.000082 | HJD or BJD |
| Orbital period | 2.96264036 ± 0.00000043 | days |
| Reference for orbital ephemeris | 2016MNRAS.461.1053M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5473 ± 121 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.49 ± 0.10 | dex |
| Stellar mass | 0.809 ± 0.064 | Msun |
| Stellar radius | 0.741 ± 0.021 | Rsun |
| Stellar logarithmic surface gravity | 4.606 ± 0.013 | c.g.s. |
| Stellar mean density | 1.987 ± 0.046 ( 2.804 ± 0.065 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.24 −0.0 | |
| Orbital semimajor axis | 0.03762 ± 0.00099 | AU |
| Planetary mass | 0.922 ± 0.080 ( 293 ± 25 ) | Mjup Mearth |
| Planetary radius | 1.144 ± 0.034 ( 12.82 ± 0.38 ) | Rjup Rearth |
| Planetary surface gravity | 17.5 ± 1.2 3.24 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.576 ± 0.046 ( 0.764 ± 0.061 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1171 ± 26 | K |
| Reference of detailed study | 2016MNRAS.461.1053M |
WASP-98 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)