This page summarises the information held within TEPCat for the transiting planetary system WASP-1. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2007MNRAS.375..951C | |
| Date of discovery paper | 2006 / 9 / 22 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 00 20 40.08 | h m s |
| Declination | +31 59 23.8 | d m s |
| Right ascension (decimal) | 5.16700 | degrees |
| Declination (decimal) | 31.98994 | degrees |
| V-band apparent magnitude | 11.31 | mag |
| K-band apparent magnitude | 10.28 | mag |
| Transit duration | 0.1550 ( 3.720 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2453912.51504 ± 0.00035 | HJD or BJD |
| Orbital period | 2.51994529 ± 0.000000056 | days |
| Reference for orbital ephemeris | 2016MNRAS.459..789T |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6160 ± 64 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.14 ± 0.07 | dex |
| Stellar mass | 1.24 +0.05 −0.07 | Msun |
| Stellar radius | 1.470 +0.022 −0.032 | Rsun |
| Stellar logarithmic surface gravity | 4.195 +0.010 −0.017 | c.g.s. |
| Stellar mean density | 0.389 +0.007 −0.012 ( 0.5489 +0.0099 −0.0169 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.03889 +0.00053 −0.00073 | AU |
| Planetary mass | 0.854 +0.057 −0.052 ( 271 +18 −16 ) | Mjup Mearth |
| Planetary radius | 1.483 +0.024 −0.034 ( 16.62 + 0.27 − 0.38 ) | Rjup Rearth |
| Planetary surface gravity | 9.8 +0.8 −0.9 2.99 +0.03 −0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.262 +0.022 −0.024 ( 0.348 +0.029 −0.032 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1830 +33 −49 | K |
| Reference of detailed study | 2014AcA....64...27M |
| Reference | λ (degrees) |
|---|---|
| Simpson et al. (2011) | −79.0 + 4.5 - 4.3 |
| Albrecht et al. (2011) | −59 + 99 - 26 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)