Planet LTT 9779 b

Name LTT 9779 b
Planet Status Confirmed
Discovered in 2019
Mass 0.09225 ( -0.00255 +0.00245 ) MJ +
Mass*sin(i)
Semi-Major Axis 0.01679 (± 0.00014) AU
Orbital Period 0.792052 (± 9.3e-06) day +
Eccentricity 0.0
ω
Tperi
Radius 0.4211 (± 0.0205) RJ +
Inclination 76.39 (± 0.43) deg +
Update 2020-09-23
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2451354.2134 (± 0.00025) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 19.65 (± 0.43) m/s
Calculated temperature 2000.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names TOI-193 b

Star

LTT 9779
Name LTT 9779
Distance 80.6 (± 0.33) pc
Spectral type G8
Apparent magnitude V 9.76
Mass 1.0 (± 0.03) MSun
Age
Effective temperature 5445.0 (± 84.0) K
Radius 0.92 (± 0.01) RSun
Metallicity [Fe/H] 0.25 (± 0.08)
Detected Disc
Magnetic Field
RA2000 23:54:40.0
Dec2000 -37:37:41
Alternate Names
Planetary system 1 planet

More data


Related publications

Empirical limb-darkening coefficients & transit parameters of known exoplanets from TESS
2022 PATEL J. & ESPINOZA N.
Astron. J., 163, 228
paper   arxiv  

An ultrahot Neptune in the Neptune desert
2020 JENKINS J., DIAZ M., KURTOVIC N., ESPINOZA N., VINES J. et al.
Nature Astron., in press
paper   arxiv  

Phase Curves of Hot Neptune LTT 9779b Suggest a High-Metallicity Atmosphere
2020 CROSSFIELD I., DRAGOMIR D., COWAN N., DAYLAN T., WONG I. et al.
ApJ. Letters, 903, L7
paper  arxiv  

Spitzer Reveals Evidence of Molecular Absorption in the Atmosphere of the Hot Neptune LTT 9779b
2020 DRAGOMIR D., CROSSFIELD I., BENNEKE B., WONG I., DAYLAN T. et al.
ApJ. Letters, 903, L6
paper  arxiv  

Evidence for 3 new multi-planet systems from TESS using a Bayesian N-body retrieval and machine learning
2019 PEARSON K.
ApJ, submitted
arxiv