This page summarises the information held within TEPCat for the transiting planetary system WASP-17. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2010ApJ...709..159A | |
| Date of discovery paper | 2009 / 8 / 11 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 15 59 50.95 | h m s |
| Declination | −28 03 42.3 | d m s |
| Right ascension (decimal) | 239.96229 | degrees |
| Declination (decimal) | -28.06175 | degrees |
| V-band apparent magnitude | 11.50 | mag |
| K-band apparent magnitude | 10.22 | mag |
| Transit duration | 0.1830 ( 4.392 ) | day hour |
| Transit depth | 1.8 | % |
| Time of mid-transit | 2454592.80154 ± 0.00050 | HJD or BJD |
| Orbital period | 3.73548546 ± 0.00000027 | days |
| Reference for orbital ephemeris | 2022MNRAS.512.4185A |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6550 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.25 ± 0.09 | dex |
| Stellar mass | 1.286 ± 0.079 | Msun |
| Stellar radius | 1.583 ± 0.041 | Rsun |
| Stellar logarithmic surface gravity | 4.149 ± 0.014 | c.g.s. |
| Stellar mean density | 0.324 ± 0.012 ( 0.457 ± 0.017 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.05135 ± 0.00103 | AU |
| Planetary mass | 0.477 ± 0.033 ( 151 ± 10 ) | Mjup Mearth |
| Planetary radius | 1.932 ± 0.053 ( 21.66 ± 0.59 ) | Rjup Rearth |
| Planetary surface gravity | 3.16 ± 0.20 2.50 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.0618 ± 0.0048 ( 0.0820 ± 0.0064 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1755 ± 28 | K |
| Reference of detailed study | 2012MNRAS.426.1338S |
| Reference | λ (degrees) |
|---|---|
| Anderson et al. (2010) | −147 + 49 - 11 |
| Bayliss et al. (2010) | 167.4 ± 11.2 |
| Triaud et al. (2010) | −148.5 + 4.2 - 5.4 |
| Anderson et al. (2011) | −148.7 + 7.7 - 6.7 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)