This page summarises the information held within TEPCat for the transiting planetary system WASP-7. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2009ApJ...690L..89H | |
| Date of discovery paper | 2008 / 5 / 17 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 20 44 10.22 | h m s |
| Declination | −39 13 30.9 | d m s |
| Right ascension (decimal) | 311.04258 | degrees |
| Declination (decimal) | -39.22525 | degrees |
| V-band apparent magnitude | 9.48 | mag |
| K-band apparent magnitude | 8.40 | mag |
| Transit duration | 0.172 ( 4.13 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2455446.63493 ± 0.00030 | HJD or BJD |
| Orbital period | 4.9546416 ± 0.0000035 | days |
| Reference for orbital ephemeris | 2010MNRAS.408.1680S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6520 ± 70 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.00 ± 0.10 | dex |
| Stellar mass | 1.317 ± 0.072 | Msun |
| Stellar radius | 1.478 ± 0.088 | Rsun |
| Stellar logarithmic surface gravity | 4.218 ± 0.048 | c.g.s. |
| Stellar mean density | 0.408 ± 0.068 ( 0.576 ± 0.096 ) | ρsun g cm-3 |
| Orbital eccentricity | 00.0 | |
| Orbital semimajor axis | 0.0624 ± 0.0011 | AU |
| Planetary mass | 0.98 ± 0.13 ( 311 ± 41 ) | Mjup Mearth |
| Planetary radius | 1.374 ± 0.094 ( 15.4 ± 1.1 ) | Rjup Rearth |
| Planetary surface gravity | 12.9 ± 2.4 3.11 ± 0.07 | m/s2 log(cgs) |
| Planetary mean density | 0.353 ± 0.087 ( 0.47 ± 0.12 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1530 ± 45 | K |
| Reference of detailed study | 2012MNRAS.426.1291S |
| Reference | λ (degrees) |
|---|---|
| Albrecht et al. (2012) | 86 ± 6 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)