AU Mic Overview

AU Mic 0.61 R⦿ 3992.36 K
AU Mic b
0.375 RJup
Architecture
AU Mic
AU Mic
AU Mic b
Discovery Data
Host Planet Method Year Reference Detection
AU Mic AU Mic b Transit 2020 Plavchan et al. 2020 Transit, Radial Velocity
AU Mic
  • Some stellar parameter values may be biased due to companion blend (WDS Catalog)
RA
20h45m09.87s
Dec
-31d20m32.82s
Distance
9.722100±0.004625 pc
Parallax
102.8290000±0.0485613 mas
Ecliptic Latitude
-12.82283 deg
Ecliptic Longitude
305.3099 deg
Galactic Latitude
-36.8025 deg
Galactic Longitude
12.65461 deg
Total Proper Motion
456.8630854±0.0630000 mas/yr
Proper Motion (RA)
281.4240000±0.0750541 mas/yr
Proper Motion (Dec)
-359.8950000±0.0539548 mas/yr
Photometry
mV
8.81±0.10
mTESS
6.755±0.032
mJ
5.436±0.017
mH
4.831±0.016
mKs
4.529±0.020
Source Plavchan et al. 2020 TICv8 Gaia DR2 Turnbull 2015 Pizzolato et al. 2003 Hawley et al. 1996 Michigan Catalog, Vol. 3 Cannon & Pickering 1918
Teff
(K)
3700±100 ---
3992.3599+149.7026-166.3396
3753 --- --- --- ---
L
(log10(L⦿))
-1 ---
-1.0646184+0.0004074-0.0004078
-1.046 +0.368-0.477
--- --- --- ---
γ
(km/s)
--- --- -6.3103105566262805±0.2868232871415796 --- --- --- --- ---
R
(R⦿)
0.75±0.03 0.6980090±0.0210957
0.61359823+0.05451321-0.04355186
0.70 --- --- --- ---
M
(M⦿)
0.50±0.03 0.6620740±0.0204762 --- 0.54 --- --- --- ---
Sp. T
--- --- --- M1VE --- M0.0 M1 VE K5
v sin i
(km/s)
8.7±0.2 --- --- --- --- --- --- ---
Age
(Gyr)
0.022±0.003 --- --- --- --- --- --- ---
Prot
(days)
4.863±0.010 --- --- --- 4.85 --- --- ---
ρ
(g/cm3)
--- 1.946810±0.116511 --- --- --- --- --- ---
log g
(log10(cm/s2))
--- 4.5712500±0.0128232 --- --- --- --- --- ---
Status
Confirmed
Source Plavchan et al. 2020
a/R
19.1+1.8-1.6
b
0.16+0.14-0.11
Mp sin i
(M)
<57
Mp sin i
(MJup)
<0.18
e
0.10+0.17-0.09
P
(days)
8.46321±0.00004
ρ
(g/cm3)
<4.4
Rp
(R)
4.20±0.20
Rp
(RJup)
0.375±0.018
Rp/R
0.0514±0.0013
K
(m/s)
<28
a
(au)
0.066+0.007-0.006
T14
(hours)
0.146+0.026-0.025
TC
(days)
2458330.39153+0.00070-0.00068
Known Objects
1 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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