This page summarises the information held within TEPCat for the transiting planetary system WASP-26. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2010A+A...520A..56S | |
| Date of discovery paper | 2010 / 4 / 9 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 00 18 24.70 | h m s |
| Declination | −15 16 02.3 | d m s |
| Right ascension (decimal) | 4.60292 | degrees |
| Declination (decimal) | -15.26731 | degrees |
| V-band apparent magnitude | 11.10 | mag |
| K-band apparent magnitude | 9.69 | mag |
| Transit duration | 0.097 ( 2.33 ) | day hour |
| Transit depth | 1.0 | % |
| Time of mid-transit | 2455837.59821 ± 0.00044 | HJD or BJD |
| Orbital period | 2.7565972 ± 0.0000019 | days |
| Reference for orbital ephemeris | 2014MNRAS.444..776S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6015 ± 55 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.02 ± 0.09 | dex |
| Stellar mass | 1.095 ± 0.046 | Msun |
| Stellar radius | 1.284 ± 0.036 | Rsun |
| Stellar logarithmic surface gravity | 4.260 ± 0.022 | c.g.s. |
| Stellar mean density | 0.517 ± 0.037 ( 0.729 ± 0.052 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.0097 −0.0 | |
| Orbital semimajor axis | 0.03966 ± 0.00056 | AU |
| Planetary mass | 1.020 ± 0.033 ( 324 ± 10 ) | Mjup Mearth |
| Planetary radius | 1.216 ± 0.047 ( 13.63 ± 0.53 ) | Rjup Rearth |
| Planetary surface gravity | 17.1 ± 1.3 3.23 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.530 ± 0.060 ( 0.703 ± 0.080 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1650 ± 24 | K |
| Reference of detailed study | 2014MNRAS.444..776S |
| Reference | λ (degrees) |
|---|---|
| Anderson et al. (2011) | indeterminate |
| Albrecht et al. (2012) | −34 + 36 - 26 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)