This page summarises the information held within TEPCat for the transiting planetary system WASP-74. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2015AJ....150...18H | |
| Date of discovery paper | 2014 / 10 / 24 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 20 18 09.32 | h m s |
| Declination | −01 04 32.6 | d m s |
| Right ascension (decimal) | 304.53883 | degrees |
| Declination (decimal) | -1.07572 | degrees |
| V-band apparent magnitude | 9.76 | mag |
| K-band apparent magnitude | 8.22 | mag |
| Transit duration | 0.0955 ( 2.292 ) | day hour |
| Transit depth | 0.8 | % |
| Time of mid-transit | 2457173.87198 ± 0.00018 | HJD or BJD |
| Orbital period | 2.13774453 ± 0.00000077 | days |
| Reference for orbital ephemeris | 2019MNRAS.485.5168M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5984 ± 57 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.34 ± 0.02 | dex |
| Stellar mass | 1.191 ± 0.038 | Msun |
| Stellar radius | 1.536 ± 0.026 | Rsun |
| Stellar logarithmic surface gravity | 4.141 ± 0.012 | c.g.s. |
| Stellar mean density | 0.329 ± 0.012 ( 0.464 ± 0.017 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.07 −0.0 | |
| Orbital semimajor axis | 0.03443 ± 0.00022 | AU |
| Planetary mass | 0.826 ± 0.021 ( 262.58 ± 6.68 ) | Mjup Mearth |
| Planetary radius | 1.404 ± 0.022 ( 15.74 ± 0.25 ) | Rjup Rearth |
| Planetary surface gravity | 10.38 ± 0.26 3.02 ± 0.01 | m/s2 log(cgs) |
| Planetary mean density | 0.279 ± 0.010 ( 0.370 ± 0.013 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1926 ± 21 | K |
| Reference of detailed study | 2019MNRAS.485.5168M |
| Reference | λ (degrees) |
|---|---|
| Luque et al.(2020) | 0.77 ± 0.99 |
Page generated on 2025/03/17 John Southworth (Keele University, UK)