This page summarises the information held within TEPCat for the transiting planetary system WASP-101. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2014MNRAS.440.1982H | |
| Date of discovery paper | 2013 / 10 / 22 | y / m / d |
| Data/telescope used for discovery | WASP | |
| Right ascension | 06 33 24.26 | h m s |
| Declination | −23 29 10.2 | d m s |
| Right ascension (decimal) | 98.35108 | degrees |
| Declination (decimal) | -23.48617 | degrees |
| V-band apparent magnitude | 10.34 | mag |
| K-band apparent magnitude | 9.07 | mag |
| Transit duration | 0.113 ( 2.71 ) | day hour |
| Transit depth | 1.1 | % |
| Time of mid-transit | 2458470.30368 ± 0.00018 | HJD or BJD |
| Orbital period | 3.5857076 ± 0.0000011 | days |
| Reference for orbital ephemeris | 2024ApJS..274...13S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6440 +56 −87 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.20 ± 0.12 | dex |
| Stellar mass | 1.34 ± 0.07 | Msun |
| Stellar radius | 1.296 +0.028 −0.018 | Rsun |
| Stellar logarithmic surface gravity | 4.345 ± 0.019 | c.g.s. |
| Stellar mean density | 0.626 ± 0.043 ( 0.883 ± 0.061 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.03 −0.0 | |
| Orbital semimajor axis | 0.0506 ± 0.0009 | AU |
| Planetary mass | 0.502 +0.050 −0.043 ( 159 +15 −13 ) | Mjup Mearth |
| Planetary radius | 1.369 +0.029 −0.019 ( 15.35 + 0.33 − 0.21 ) | Rjup Rearth |
| Planetary surface gravity | 6.63 ± 0.57 2.82 ± 0.04 | m/s2 log(cgs) |
| Planetary mean density | 0.195 ± 0.017 ( 0.259 ± 0.023 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1567 +21 −27 | K |
| Reference of detailed study | 2026MNRAS.545S2063M |
| Reference | λ (degrees) |
|---|---|
| Zak et al. (2024) | 34 ± 3 |
Page generated on 2026/01/29 John Southworth (Keele University, UK)