This page summarises the information held within TEPCat for the transiting planetary system WASP-149. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:1412.7761 | |
| Date of discovery paper | 2019 / 2 / 11 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 08 16 17.67 | h m s |
| Declination | −08 41 12.0 | d m s |
| Right ascension (decimal) | 124.07363 | degrees |
| Declination (decimal) | -8.68667 | degrees |
| V-band apparent magnitude | 11.69 | mag |
| K-band apparent magnitude | 9.83 | mag |
| Transit duration | 0.0842 ( 2.021 ) | day hour |
| Transit depth | 1.9 | % |
| Time of mid-transit | 2457160.52490 ± 0.00007 | HJD or BJD |
| Orbital period | 1.332811 ± 0.000001 | days |
| Reference for orbital ephemeris | arXiv:1412.7761 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5750 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.16 ± 0.11 | dex |
| Stellar mass | 1.09 ± 0.06 | Msun |
| Stellar radius | 1.02 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.478 ± 0.001 | c.g.s. |
| Stellar mean density | 1.03 ± 0.06 ( 1.453 ± 0.085 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.0247 ± 0.0004 | AU |
| Planetary mass | 1.02 ± 0.04 ( 324 ± 12 ) | Mjup Mearth |
| Planetary radius | 1.32 ± 0.04 ( 14.80 ± 0.45 ) | Rjup Rearth |
| Planetary surface gravity | 14.6 ± 3.4 3.16 ± 0.09 | m/s2 log(cgs) |
| Planetary mean density | 0.497 ( 0.66 | ρjup g cm-3 |
| Planetary equilibrium temperature | 1870 | K |
| Reference of detailed study | arXiv:1412.7761 |
WASP-149 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/03/17 John Southworth (Keele University, UK)