This page summarises the information held within TEPCat for the transiting planetary system WASP-156. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018A+A...610..A63D | |
| Date of discovery paper | 2017 / 10 / 18 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 02 11 07.61 | h m s |
| Declination | +02 25 04.8 | d m s |
| Right ascension (decimal) | 32.78171 | degrees |
| Declination (decimal) | 2.41800 | degrees |
| V-band apparent magnitude | 11.57 | mag |
| K-band apparent magnitude | 9.34 | mag |
| Transit duration | 0.09969 ( 2.3926 ) | day hour |
| Transit depth | 0.5 | % |
| Time of mid-transit | 2458414.136153 ± 0.000065 | HJD or BJD |
| Orbital period | 3.8361603 ± 0.00000048 | days |
| Reference for orbital ephemeris | 2021AJ....162..221S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4910 ± 61 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.24 ± 0.12 | dex |
| Stellar mass | 0.842 ± 0.052 | Msun |
| Stellar radius | 0.76 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.60 +0.04 −0.07 | c.g.s. |
| Stellar mean density | 1.9 +0.1 −0.3 ( 2.68 +0.14 −0.42 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.007 −0.0 | |
| Orbital semimajor axis | 0.0453 ± 0.0009 | AU |
| Planetary mass | 0.128 +0.010 −0.009 ( 40.7 +3.2 −2.9 ) | Mjup Mearth |
| Planetary radius | 0.51 ± 0.02 ( 5.72 ± 0.22 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 1.0 ± 0.1 ( 1.33 ± 0.13 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 970 +30 −20 | K |
| Reference of detailed study | 2018A+A...610..A63D |
| Reference | λ (degrees) |
|---|---|
| Bourrier et al. (2023) | 106 ± 14 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)