This page summarises the information held within TEPCat for the transiting planetary system WASP-148. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2020A+A...640A..32H | |
| Date of discovery paper | 2020 / 5 / 1 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 16 56 31.32 | h m s |
| Declination | +44 18 09.4 | d m s |
| Right ascension (decimal) | 254.13050 | degrees |
| Declination (decimal) | 44.30261 | degrees |
| V-band apparent magnitude | 12.04 | mag |
| K-band apparent magnitude | 10.51 | mag |
| Transit duration | 0.1290 ( 3.096 ) | day hour |
| Transit depth | 0.7 | % |
| Time of mid-transit | 2459063.62033 ± 0.00036 | HJD or BJD |
| Orbital period | 8.803544 ± 0.0000021 | days |
| Reference for orbital ephemeris | 2022ApJ...926L...8W |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5437 ± 21 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.25 ± 0.04 | dex |
| Stellar mass | 0.967 ± 0.049 | Msun |
| Stellar radius | 0.920 ± 0.016 | Rsun |
| Stellar logarithmic surface gravity | 4.497 ± 0.025 | c.g.s. |
| Stellar mean density | 1.25 ± 0.09 ( 1.76 ± 0.13 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.214 +0.021 −0.018 | |
| Orbital semimajor axis | 0.0825 ± 0.0014 | AU |
| Planetary mass | 0.288 ± 0.021 ( 91.6 ± 6.7 ) | Mjup Mearth |
| Planetary radius | 0.756 ± 0.014 ( 8.47 ± 0.16 ) | Rjup Rearth |
| Planetary surface gravity | 12.5 ± 1.0 3.10 ± 0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.625 ± 0.058 ( 0.829 ± 0.077 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 940 ± 80 | K |
| Reference of detailed study | 2022A+A...663A.134A |
| Reference | λ (degrees) |
|---|---|
| Wang et al. (2022) | −8.2 + 8.7 - 9.7 |
Page generated on 2024/09/10 John Southworth (Keele University, UK)