This page summarises the information held within TEPCat for the transiting planetary system WASP-3. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2008MNRAS.385.1576P | |
| Date of discovery paper | 2007 / 10 / 26 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 18 34 31.62 | h m s |
| Declination | +35 39 41.5 | d m s |
| Right ascension (decimal) | 278.63175 | degrees |
| Declination (decimal) | 35.66153 | degrees |
| V-band apparent magnitude | 10.64 | mag |
| K-band apparent magnitude | 9.36 | mag |
| Transit duration | 0.1162 ( 2.789 ) | day hour |
| Transit depth | 1.3 | % |
| Time of mid-transit | 2455362.762292 ± 0.000093 | HJD or BJD |
| Orbital period | 1.84683510 ± 0.00000020 | days |
| Reference for orbital ephemeris | 2021AJ....162..127W |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6440 ± 120 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.02 ± 0.08 | dex |
| Stellar mass | 1.335 ± 0.010 | Msun |
| Stellar radius | 1.236 ± 0.040 | Rsun |
| Stellar logarithmic surface gravity | 4.49 ± 0.08 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | AU | |
| Planetary mass | 1.811 ± 0.063 ( 575 ± 20 ) | Mjup Mearth |
| Planetary radius | 1.332 ± 0.018 ( 14.93 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | 24.2 ± 0.8 3.38 ± 0.01 | m/s2 log(cgs) |
| Planetary mean density | 0.672 ± 0.026 ( 0.891 ± 0.034 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2850 ± 50 | K |
| Reference of detailed study | arXiv:2409.16268 |
| Reference | λ (degrees) |
|---|---|
| Simpson et al. (2010) | 15 + 10 - 9 |
| Tripathi et al. (2010) | 3.3 + 2.5 - 4.4 |
| Miller et al. (2010) | 5 + 6 - 5 |
| Oshagh et al. (2013) | 20.0 ± 3.3 |
Page generated on 2025/03/24 John Southworth (Keele University, UK)