This page summarises the information held within TEPCat for the transiting planetary system WASP-177. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2019MNRAS.485.5790T | |
| Date of discovery paper | 2019 / 3 / 18 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 22 19 11.19 | h m s |
| Declination | −01 50 04.7 | d m s |
| Right ascension (decimal) | 334.79663 | degrees |
| Declination (decimal) | -1.83464 | degrees |
| V-band apparent magnitude | 12.58 | mag |
| K-band apparent magnitude | mag | |
| Transit duration | 0.0672 ( 1.613 ) | day hour |
| Transit depth | 1.9 | % |
| Time of mid-transit | 2457994.37140 ± 0.00028 | HJD or BJD |
| Orbital period | 3.071722 ± 0.000001 | days |
| Reference for orbital ephemeris | 2019MNRAS.485.5790T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5017 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.25 ± 0.04 | dex |
| Stellar mass | 0.876 ± 0.038 | Msun |
| Stellar radius | 0.885 ± 0.046 | Rsun |
| Stellar logarithmic surface gravity | 4.486 +0.049 −0.037 | c.g.s. |
| Stellar mean density | 1.26 +0.23 −0.15 ( 1.78 +0.32 −0.21 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.03957 ± 0.00058 | AU |
| Planetary mass | 0.508 ± 0.038 ( 161 ± 12 ) | Mjup Mearth |
| Planetary radius | 1.58 +0.66 −0.36 ( 17.7 + 7.4 − 4.0 ) | Rjup Rearth |
| Planetary surface gravity | 4.7 +3.1 −2.4 2.7 +0.2 −0.3 | m/s2 log(cgs) |
| Planetary mean density | 0.130 +0.153 −0.085 ( 0.17 +0.20 −0.11 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1142 ± 32 | K |
| Reference of detailed study | 2019MNRAS.485.5790T |
WASP-177 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2024/09/10 John Southworth (Keele University, UK)