This page summarises the information held within TEPCat for the transiting planetary system WASP-39. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2011A+A...531A..40F | |
| Date of discovery paper | 2011 / 2 / 8 | y / m / d |
| Right ascension | 14 29 18.42 | h m s |
| Declination | −03 26 40.1 | d m s |
| V-band apparent magnitude | 12.10 | mag |
| K-band apparent magnitude | 10.20 | mag |
| Transit duration | 0.1168 ( 2.803 ) | day hour |
| Transit depth | 2.5 | % |
| Time of mid-transit | 2455342.9696 ± 0.00014 | HJD or BJD |
| Orbital period | 4.05528047 ± 0.0000007 | days |
| Reference for orbital ephemeris | arXiv:1601.04761 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5460 ± 55 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.12 ± 0.10 | dex |
| Stellar mass | 0.93 ± 0.03 | Msun |
| Stellar radius | 0.895 ± 0.023 | Rsun |
| Stellar logarithmic surface gravity | 4.503 ± 0.017 | c.g.s. |
| Stellar mean density | 1.297 +0.082 −0.074 ( 1.83 +0.12 −0.10 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0486 ± 0.0005 | AU |
| Planetary mass | 0.28 ± 0.03 ( 89.0 ± 9.5 ) | Mjup Mearth |
| Planetary radius | 1.27 ± 0.04 ( 14.24 ± 0.45 ) | Rjup Rearth |
| Planetary surface gravity | 4.07 ± 0.46 2.61 ± 0.05 | m/s2 log(cgs) |
| Planetary mean density | 0.14 ± 0.02 ( 0.186 ± 0.027 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1116 +33 −32 | K |
| Reference of detailed study | 2011A+A...531A..40F |
WASP-39 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.
WASP-39 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2017/08/07 John Southworth (Keele University, UK)