This page summarises the information held within TEPCat for the transiting planetary system WASP-46. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012MNRAS.422.1988A | |
| Date of discovery paper | 2011 / 5 / 17 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 21 14 56.86 | h m s |
| Declination | −55 52 18.1 | d m s |
| Right ascension (decimal) | 318.73692 | degrees |
| Declination (decimal) | -55.87169 | degrees |
| V-band apparent magnitude | 12.93 | mag |
| K-band apparent magnitude | 11.40 | mag |
| Transit duration | 0.06973 ( 1.6735 ) | day hour |
| Transit depth | 2.1 | % |
| Time of mid-transit | 2455392.3170 ± 0.0004 | HJD or BJD |
| Orbital period | 1.43037148 ± 0.00000053 | days |
| Reference for orbital ephemeris | 2018MNRAS.473.5126P |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5600 ± 150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.37 ± 0.13 | dex |
| Stellar mass | 0.828 ± 0.076 | Msun |
| Stellar radius | 0.858 ± 0.027 | Rsun |
| Stellar logarithmic surface gravity | 4.489 ± 0.013 | c.g.s. |
| Stellar mean density | 1.310 ± 0.025 ( 1.848 ± 0.035 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.02335 ± 0.00072 | AU |
| Planetary mass | 1.91 ± 0.13 ( 607 ± 41 ) | Mjup Mearth |
| Planetary radius | 1.174 ± 0.037 ( 13.16 ± 0.41 ) | Rjup Rearth |
| Planetary surface gravity | 34.3 ± 1.1 3.54 ± 0.01 | m/s2 log(cgs) |
| Planetary mean density | 1.103 ± 0.052 ( 1.463 ± 0.069 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1636 ± 44 | K |
| Reference of detailed study | 2016MNRAS.456..990C |
WASP-46 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)