This page summarises the information held within TEPCat for the transiting planetary system WTS-1. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012MNRAS.427.1877C | |
| Date of discovery paper | 2012 / 10 / 5 | y / m / d |
| Data/telescope used for discovery | WTS | |
| Right ascension | 19 35 56.41 | h m s |
| Declination | +36 17 46.7 | d m s |
| Right ascension (decimal) | 293.98504 | degrees |
| Declination (decimal) | 36.29631 | degrees |
| V-band apparent magnitude | 16.13 | mag |
| K-band apparent magnitude | 15.27 | mag |
| Transit duration | 0.11 ( 2.6 ) | day hour |
| Transit depth | 1.8 | % |
| Time of mid-transit | 2454318.7472 ± 0.0040 | HJD or BJD |
| Orbital period | 3.352059 ± 0.000011 | days |
| Reference for orbital ephemeris | 2012MNRAS.427.1877C |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6250 ± 200 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.25 ± 0.25 | dex |
| Stellar mass | 1.2 ± 0.1 | Msun |
| Stellar radius | 1.15 +0.10 −0.12 | Rsun |
| Stellar logarithmic surface gravity | 4.4 ± 0.1 | c.g.s. |
| Stellar mean density | 0.79 +0.31 −0.18 ( 1.11 +0.44 −0.25 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.1 −0.0 | |
| Orbital semimajor axis | 0.047 ± 0.001 | AU |
| Planetary mass | 4.01 ± 0.35 ( 12747 ± 1113 ) | Mjup Mearth |
| Planetary radius | 1.49 +0.16 −0.18 ( 16.7 + 1.8 − 2.0 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.21 ± 0.42 ( 1.61 ± 0.56 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1500 ± 100 | K |
| Reference of detailed study | 2012MNRAS.427.1877C |
WTS-1 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)