This page summarises the information held within TEPCat for the transiting planetary system WASP-55. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2012MNRAS.426..739H | |
| Date of discovery paper | 2012 / 4 / 24 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 13 35 01.94 | h m s |
| Declination | −17 30 12.7 | d m s |
| Right ascension (decimal) | 203.75808 | degrees |
| Declination (decimal) | -17.50353 | degrees |
| V-band apparent magnitude | 11.76 | mag |
| K-band apparent magnitude | 10.40 | mag |
| Transit duration | 0.1459 ( 3.502 ) | day hour |
| Transit depth | 1.8 | % |
| Time of mid-transit | 2456416.71565 ± 0.00013 | HJD or BJD |
| Orbital period | 4.4656291 ± 0.0000011 | days |
| Reference for orbital ephemeris | 2016MNRAS.457.4205S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6070 ± 53 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.09 ± 0.04 | dex |
| Stellar mass | 1.162 +0.036 −0.039 | Msun |
| Stellar radius | 1.102 +0.021 −0.016 | Rsun |
| Stellar logarithmic surface gravity | 4.419 +0.009 −0.015 | c.g.s. |
| Stellar mean density | 0.869 +0.026 −0.041 ( 1.226 +0.037 −0.058 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.20 −0.0 | |
| Orbital semimajor axis | 0.0558 ± 0.0006 | AU |
| Planetary mass | 0.627 +0.038 −0.039 ( 199 +12 −12 ) | Mjup Mearth |
| Planetary radius | 1.335 +0.032 −0.022 ( 14.96 + 0.36 − 0.25 ) | Rjup Rearth |
| Planetary surface gravity | 8.73 +0.54 −0.41 2.94 +0.03 −0.02 | m/s2 log(cgs) |
| Planetary mean density | 0.247 +0.017 −0.021 ( 0.328 +0.023 −0.028 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1300 +15 −13 | K |
| Reference of detailed study | 2016MNRAS.457.4205S |
WASP-55 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)