This page summarises the information held within TEPCat for the transiting planetary system WASP-13. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2009A+A...502..391S | |
| Date of discovery paper | 2009 / 5 / 19 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 09 20 24.70 | h m s |
| Declination | +33 52 56.5 | d m s |
| Right ascension (decimal) | 140.10292 | degrees |
| Declination (decimal) | 33.88236 | degrees |
| V-band apparent magnitude | 10.51 | mag |
| K-band apparent magnitude | 9.12 | mag |
| Transit duration | 0.1668 ( 4.003 ) | day hour |
| Transit depth | 0.9 | % |
| Time of mid-transit | 2455218.5681 ± 0.0008 | HJD or BJD |
| Orbital period | 4.353019 ± 0.000004 | days |
| Reference for orbital ephemeris | 2012MNRAS.419.1248B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6025 ± 21 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.11 ± 0.05 | dex |
| Stellar mass | 1.22 ± 0.12 | Msun |
| Stellar radius | 1.657 ± 0.079 | Rsun |
| Stellar logarithmic surface gravity | 4.086 ± 0.033 | c.g.s. |
| Stellar mean density | 0.268 ± 0.029 ( 0.378 ± 0.041 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0557 ± 0.0018 | AU |
| Planetary mass | 0.512 ± 0.060 ( 162 ± 19 ) | Mjup Mearth |
| Planetary radius | 1.528 ± 0.084 ( 17.13 ± 0.94 ) | Rjup Rearth |
| Planetary surface gravity | 5.44 ± 0.73 2.74 ± 0.05 | m/s2 log(cgs) |
| Planetary mean density | 0.134 ± 0.023 ( 0.178 ± 0.031 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1531 ± 37 | K |
| Reference of detailed study | 2012MNRAS.426.1291S |
| Reference | λ (degrees) |
|---|---|
| Brothwell et al. (2014) | 8 + 13 - 12 |
Page generated on 2025/01/01 John Southworth (Keele University, UK)