This page summarises the information held within TEPCat for the transiting planetary system AU Mic c. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2021A+A...649A.177M | |
| Date of discovery paper | 2020 / 12 / 26 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 20 45 09.53 | h m s |
| Declination | −31 20 27.2 | d m s |
| Right ascension (decimal) | 311.28971 | degrees |
| Declination (decimal) | -31.34089 | degrees |
| V-band apparent magnitude | 8.63 | mag |
| K-band apparent magnitude | 4.53 | mag |
| Transit duration | 0.1813 ( 4.351 ) | day hour |
| Transit depth | 0.2 | % |
| Time of mid-transit | 2458342.2238 ± 0.0022 | HJD or BJD |
| Orbital period | 18.859014 ± 0.000084 | days |
| Reference for orbital ephemeris | arXiv:2302.04922 |
| 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 | 0.060 +0.061 −0.047 | |
| Orbital semimajor axis | 0.1417 +0.0016 −0.0028 | AU |
| Planetary mass | 0.10 +0.191 −0.06 ( 31 +60 −19 ) | Mjup Mearth |
| Planetary radius | 0.280 +0.028 −0.032 ( 3.14 +0.31 −0.36 ) | Rjup Rearth |
| Planetary surface gravity | 32 +64 −18 3.5 +0.5 −0.4 | m/s2 log(cgs) |
| Planetary mean density | 4.0 +9.1 −2.3 ( 5.3 +12.1 − 3.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 436 +4 −3 | K |
| Reference of detailed study | arXiv:2302.04922 |
AU Mic c does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2023/09/01 John Southworth (Keele University, UK)