Planet HD 21749 b

Name HD 21749 b
Planet Status Confirmed
Discovered in 2018
Mass 0.073 ( -0.006 +0.0067 ) MJ
Mass*sin(i)
Semi-Major Axis 0.1914 ( -0.0061 +0.0056 ) AU
Orbital Period 35.6077 (± 0.0014) day
Eccentricity 0.198 ( -0.077 +0.073 )
ω 103.0 ( -16.0 +20.0 ) deg
Tperi 2458351.14 ( -1.0 +1.5 ) JD
Radius 0.25301 ( -0.01998 +0.02302 ) RJ
Inclination 89.36 ( -0.12 +0.18 ) deg
Update 2019-01-03
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458350.31233 ( -0.00059 +0.00062 ) JD
Secondary transit
λ
Impact Parameter b 0.55 ( -0.18 +0.11 )
Time Vr=0
Velocity Semiamplitude K 5.68 ( -0.37 +0.4 ) m/s
Calculated temperature 423.0 (± 14.0) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names TOI 186.01

Star

HD 21749
Name HD 21749
Distance 16.33 (± 0.007) pc
Spectral type K4.5
Apparent magnitude V 8.1
Mass 0.73 (± 0.07) MSun
Age
Effective temperature 4640.0 (± 100.0) K
Radius 0.695 (± 0.03) RSun
Metallicity [Fe/H] 0.003 (± 0.06)
Detected Disc
Magnetic Field
RA2000 03:27:00.0
Dec2000 -63:30:08
Alternate Names TOI 186
Planetary system 1 planet

More data


Related publications

The Longest Period TESS Planet Yet: A Sub-Neptune Transiting A Bright, Nearby K Dwarf Star
2019 DRAGOMIR D., TESKE J., GUNTHER M., SEGRANSAN D., BURT J. et al.
ApJ. Letters, submitted
arxiv