Name | AU Mic c | ||
Planet Status | Confirmed | ||
Discovered in | 2020 | ||
Mass | 0.101 ( -0.059 +0.19 ) MJ | ![]() |
+ |
Mass*sin(i) | — | ||
Semi-Major Axis | 0.1417 ( -0.0028 +0.0016 ) AU | ![]() |
|
Orbital Period | 18.859014 ( -9.3e-05 +7.5e-05 ) day | ![]() |
+ |
Eccentricity | 0.06 ( -0.047 +0.061 ) | ![]() |
+ |
ω | 358.1 ( -2.2 +0.99 ) deg | ![]() |
+ |
Tperi | — | ||
Radius | 0.28 ( -0.032 +0.028 ) RJ | ![]() |
|
Inclination | 89.589 ( -0.068 +0.058 ) deg | ![]() |
+ |
Update | 2023-02-20 | ||
Detection Method | Primary Transit | ||
Mass Detection Method | Radial Velocity | ||
Radius Detection Method | Primary Transit | ||
Primary transit | 2458342.22231 (± 0.0005) JD | ![]() |
+ |
Secondary transit | — | ||
λ | — | ||
Impact Parameter b | 0.238 | ||
Time Vr=0 | — | ||
Velocity Semiamplitude K | 7.5 ( -0.35 +0.38 ) m/s | ![]() |
+ |
Calculated temperature | 436.0 ( -3.4 +3.9 ) K | ![]() |
|
Measured temperature | — | ||
Hottest point longitude | — | ||
Geometric albedo | — | ||
Surface gravity log(g/gH) | — | ||
Alternate Names | — |
Name | AU Mic | ||
Distance | 9.79 (± 0.04) pc | ![]() |
|
Spectral type | M1V | ||
Apparent magnitude V | 8.6 | ||
Mass | 0.5 (± 0.03) MSun | ![]() |
|
Age | 0.022 (± 0.003) Gyr | ![]() |
|
Effective temperature | 3700.0 (± 100.0) K | ![]() |
|
Radius | 0.75 (± 0.03) RSun | ![]() |
|
Metallicity [Fe/H] | — | ||
Detected Disc | — | ||
Magnetic Field | — | ||
RA2000 | 20:45:10.0 | ||
Dec2000 | -31:20:27 | ||
Alternate Names | |||
Planetary system | 3 planets |
Validating AU Microscopii d with Transit Timing Variations
2023
WITTROCK J., PLAVCHAN P., CALE B., BARCLAY Th., GILBERT E. et al.
Astron. J., submitted
arxiv
A Machine Learning approach for correcting radial velocities using physical observables
2023
PERGER M., ANGLADA-ESCUDE G., BARUCH D., LAFARGA M., RIBAS I. et al.
Astron. & Astrophys., 672, A118
paper arxiv
The magnetic field and multiple planets of the young dwarf AU~Mic
2023
DONATI J.-F., FINOCIETY B., KLEIN B., MOUTOU C., GAIDOS E. et al.
MNRAS, in press
paper arxiv
Searching for flaring star-planet interactions in AU Mic TESS observations
2022
ILIN E. & POPPENHÄGER K.
MNRAS, 513, 4579
paper arxiv
AU Microscopii in the FUV: Observations in Quiescence, During Flares, and Implications for AU Mic b and c
2022
FEINSTEIN A., FRANCE K., YOUNGBLOOD A., DUVVURI G., TEAL D. et al.
Astron. J., 164, 110
paper arxiv
The strong suppression of Galactic cosmic rays reaching AU Mic b, c and Prox Cen b
2022
MESQUITA A., RODGERS-LEE D., VIDOTTO A. & KAVANAGH R.
MNRAS, 515, 1218
paper arxiv
One year of AU Mic with HARPS: I - measuring the masses of the two transiting planets
2022
ZICHER N., BARRAGAN O., KLEIN B., AIGRAIN S., OWEN J. et al.
MNRAS, submitted
arxiv
Stumbling over planetary building blocks: AU Microscopii as an example of the challenge of retrieving debris-disk dust properties
2022
ARNOLD J., WEINBERGER A., VIDEEN G. & ZUBKO E.
ApJ, 930, 123
paper arxiv
Flares, Rotation, and Planets of the AU Mic System from TESS Observations
2022
GILBERT E., BARCLAY Th., QUINTANA E., WALKOWICZ L., VEGA L. et al.
Astron. J., 163, 147
paper arxiv
A model for spin-orbit commensurability and synchronous starspot activity in stars with close-by planets
2022
LANZA A.
Astron. & Astrophys., 658, A195
paper arxiv
Transit timing variations of AU Microscopii b and c
2022
SZABO G., GARAI A., BRANDEKER A., GANDOLFI D., WILSON T. et al.
Astron. & Astrophys., 659, L7
paper arxiv
Transit Timing Variations for AU Microscopii b and c
2022
WITTROCK J., DREISLER S., REEFE M., MORRIS B., PLAVCHAN P. et al.
Astron. J., 164, 27
paper arxiv
Simulating the Space Weather in the AU Mic System: Stellar Winds and Extreme Coronal Mass Ejections
2022
ALVARADO-GOMEZ J., COHEN O., DRAKE J., FRASCHETTI F., POPPENHÄGER K. et al.
ApJ, 928, 147
paper arxiv
One year of AU Mic with HARPS: II -- stellar activity and star-planet interaction
2022
KLEIN B., ZICHER N., KAVANAGH R., NIELSEN L., AIGRAIN S. et al.
MNRAS, 512, 5067
paper arxiv
Diving Beneath the Sea of Stellar Activity: Chromatic Radial Velocities of the Young AU Mic Planetary System
2021
CALE B., REEFE M., PLAVCHAN P., TANNER A., GAIDOS E. et al.
ApJ, submitted
arxiv
The changing face of AU Mic b: stellar spots, spin-orbit commensurability, and Transit Timing Variations as seen by CHEOPS and TESS
2021
SZABO G., GANDOLFI D?n BRANDECKER A., CSIZMADIA Sz., GARAI Z. et al.
Astron. & Astrophys., 654, A159
paper arxiv
New constraints on the planetary system around the young active star AU Mic. Two transiting warm Neptunes near mean-motion resonance
2020
MARTIOLI E., HEBRARD G., CORREIA A., LASKAR J. & LECAVELIER DES ETANGS A.
Astron. & Astrophys., 649, A177
paper arxiv
A planet within the debris disk around the pre-main-sequence star AU Microscopii
2020
PLAVCHAN P., BARCLAY Th., GAGNE J., GAO P., CALE B. et al.
Nature, 582, 497
paper arxiv