This page summarises the information held within TEPCat for the transiting planetary system WASP-77. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2013PASP..125...48M | |
| Date of discovery paper | 2012 / 11 / 27 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 02 28 37.22 | h m s |
| Declination | −07 03 38.4 | d m s |
| Right ascension (decimal) | 37.15508 | degrees |
| Declination (decimal) | -7.06067 | degrees |
| V-band apparent magnitude | 10.30 | mag |
| K-band apparent magnitude | 8.40 | mag |
| Transit duration | 0.09000 ( 2.1600 ) | day hour |
| Transit depth | 2.5 | % |
| Time of mid-transit | 2459957.337860 ± 0.000043 | HJD or BJD |
| Orbital period | 1.360029395 ± 0.000000057 | days |
| Reference for orbital ephemeris | arXiv:2405.19615 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5605 ± 41 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.07 ± 0.03 | dex |
| Stellar mass | 1.002 ± 0.045 | Msun |
| Stellar radius | 0.955 ± 0.015 | Rsun |
| Stellar logarithmic surface gravity | 4.33 ± 0.08 | c.g.s. |
| Stellar mean density | 1.157 +0.016 −0.020 ( 1.633 +0.023 −0.028 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.00074 ± 0.00069 | |
| Orbital semimajor axis | 0.0240 ± 0.00036 | AU |
| Planetary mass | 1.665 ± 0.045 ( 529 ± 14 ) | Mjup Mearth |
| Planetary radius | 1.21 ± 0.02 ( 13.56 ± 0.22 ) | Rjup Rearth |
| Planetary surface gravity | 27.61 ± 0.51 3.441 ± 0.008 | m/s2 log(cgs) |
| Planetary mean density | 1.00 ± 0.03 ( 1.327 ± 0.040 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | 2013PASP..125...48M |
| Reference | λ (degrees) |
|---|---|
| Zak et al. (2024) | −8 + 19 - 18 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)