This page summarises the information held within TEPCat for the transiting planetary system WTS-2. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014MNRAS.440.1470B | |
| Date of discovery paper | 2014 / 2 / 25 | y / m / d |
| Data/telescope used for discovery | WTS | |
| Right ascension | 19 34 55.87 | h m s |
| Declination | +36 48 55.7 | d m s |
| Right ascension (decimal) | 293.73279 | degrees |
| Declination (decimal) | 36.81547 | degrees |
| V-band apparent magnitude | 15.9 | mag |
| K-band apparent magnitude | 13.41 | mag |
| Transit duration | 0.062 ( 1.49 ) | day hour |
| Transit depth | 3.9 | % |
| Time of mid-transit | 2459714.91497 ± 0.00019 | HJD or BJD |
| Orbital period | 1.01870539 ± 0.00000012 | days |
| Reference for orbital ephemeris | arXiv:2409.04660 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5000 ± 250 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.2 +0.3 −0.2 | dex |
| Stellar mass | 0.820 ± 0.082 | Msun |
| Stellar radius | 0.752 ± 0.032 | Rsun |
| Stellar logarithmic surface gravity | 4.600 ± 0.023 | c.g.s. |
| Stellar mean density | 1.93 ± 0.16 ( 2.72 ± 0.23 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.01855 ± 0.00062 | AU |
| Planetary mass | 1.12 ± 0.16 ( 356 ± 50 ) | Mjup Mearth |
| Planetary radius | 1.363 ± 0.061 ( 15.28 ± 0.68 ) | Rjup Rearth |
| Planetary surface gravity | 14.9 ± 2.5 3.17 ± 0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.413 ± 0.080 ( 0.55 ± 0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2000 ± 100 | K |
| Reference of detailed study | 2014MNRAS.440.1470B |
WTS-2 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)