This page summarises the information held within TEPCat for the transiting planetary system AU Mic. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2006.13248 | |
| Date of discovery paper | 2020 / 6 / 25 | y / m / d |
| Right ascension | 20 45 09.53 | h m s |
| Declination | −31 20 27.2 | d m s |
| V-band apparent magnitude | 8.63 | mag |
| K-band apparent magnitude | 4.53 | mag |
| Transit duration | 0.146 ( 3.50 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2458330.39153 ± 0.00069 | HJD or BJD |
| Orbital period | 8.46321 ± 0.000004 | days |
| Reference for orbital ephemeris | arXiv:2006.13248 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3700 ± 100 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | dex | |
| Stellar mass | 0.50 ± 0.03 | Msun |
| Stellar radius | 0.75 ± 0.03 | Rsun |
| Stellar logarithmic surface gravity | 4.39 ± 0.03 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | 0.10 +0.17 −0.09 | |
| Orbital semimajor axis | 0.066 +0.007 −0.008 | AU |
| Planetary mass | 0.054 ± 0.014 ( 17.2 ± 4.5 ) | Mjup Mearth |
| Planetary radius | 0.375 ± 0.018 ( 4.20 ± 0.20 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | K | |
| Reference of detailed study | arXiv:2011.13357 |
| Reference | λ (degrees) |
|---|---|
| Hirano et al. (2020) | −4.7 + 6.8 - 6.4 |
| Martioli et al. (2020) | −0.1 + 5.1 - 5.0 |
| Palle et al. (2020) | −3.0 + 10.4 - 10.3 |
| Addison et al. (2020) | 5 + 16 - 15 |
AU Mic has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.
Page generated on 2021/01/04 John Southworth (Keele University, UK)