This page summarises the information held within TEPCat for the transiting planetary system WASP-103. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014A+A...562L...3G | |
| Date of discovery paper | 2014 / 1 / 14 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 16 37 15.59 | h m s |
| Declination | +07 11 00.0 | d m s |
| Right ascension (decimal) | 249.31496 | degrees |
| Declination (decimal) | 7.18333 | degrees |
| V-band apparent magnitude | 12.39 | mag |
| K-band apparent magnitude | 10.77 | mag |
| Transit duration | 0.11232 ( 2.6957 ) | day hour |
| Transit depth | 1.3 | % |
| Time of mid-transit | 2457511.944555 ± 0.000016 | HJD or BJD |
| Orbital period | 0.92554549 ± 0.0000003 | days |
| Reference for orbital ephemeris | 2022MNRAS.512.2062B |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6110 ± 160 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.06 ± 0.13 | dex |
| Stellar mass | 1.205 +0.096 −0.117 | Msun |
| Stellar radius | 1.413 +0.041 −0.048 | Rsun |
| Stellar logarithmic surface gravity | 4.219 +0.012 −0.016 | c.g.s. |
| Stellar mean density | 0.428 +0.007 −0.011 ( 0.6039 +0.0099 −0.0155 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 | |
| Orbital semimajor axis | 0.01979 +0.00052 −0.00065 | AU |
| Planetary mass | 1.47 +0.11 −0.13 ( 467 +34 −41 ) | Mjup Mearth |
| Planetary radius | 1.646 +0.052 −0.060 ( 18.45 + 0.58 − 0.67 ) | Rjup Rearth |
| Planetary surface gravity | 14.34 +0.83 −0.85 3.16 +0.02 −0.03 | m/s2 log(cgs) |
| Planetary mean density | 0.309 ± 0.025 ( 0.410 ± 0.033 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 2489 +66 −65 | K |
| Reference of detailed study | 2018MNRAS.474.2334D |
| Reference | λ (degrees) |
|---|---|
| Addison et al. (2016) | 3 ± 33 |
| Zak et al. (2024) | 2 + 35 - 36 |
Page generated on 2025/11/11 John Southworth (Keele University, UK)