This page summarises the information held within TEPCat for the transiting planetary system WASP-11. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2009A+A...502..395W | |
| Date of discovery paper | 2008 / 9 / 26 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 03 09 28.55 | h m s |
| Declination | +30 40 24.9 | d m s |
| Right ascension (decimal) | 47.36896 | degrees |
| Declination (decimal) | 30.67358 | degrees |
| V-band apparent magnitude | 11.89 | mag |
| K-band apparent magnitude | 9.42 | mag |
| Transit duration | 0.1090 ( 2.616 ) | day hour |
| Transit depth | 2.2 | % |
| Time of mid-transit | 2456933.615316 ± 0.000050 | HJD or BJD |
| Orbital period | 3.72247975 ± 0.000000013 | days |
| Reference for orbital ephemeris | 2024MNRAS.530.2475Y |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 4900 ± 65 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.12 ± 0.09 | dex |
| Stellar mass | 0.806 ± 0.040 | Msun |
| Stellar radius | 0.772 ± 0.015 | Rsun |
| Stellar logarithmic surface gravity | 4.569 ± 0.018 | c.g.s. |
| Stellar mean density | 1.748 ± 0.074 ( 2.47 ± 0.10 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.04375 ± 0.00074 | AU |
| Planetary mass | 0.492 ± 0.024 ( 156.40 ± 7.63 ) | Mjup Mearth |
| Planetary radius | 0.990 ± 0.023 ( 11.10 ± 0.26 ) | Rjup Rearth |
| Planetary surface gravity | 12.45 ± 0.50 3.10 ± 0.02 | m/s2 log(cgs) |
| Planetary mean density | 0.475 ± 0.026 ( 0.630 ± 0.034 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 992 ± 14 | K |
| Reference of detailed study | 2015A+A...579A.136M |
| Reference | λ (degrees) |
|---|---|
| Mancini et al. (2015) | 7 ± 5 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)