Planet KELT-9 Ab

Detailed information about planet KELT-9 Ab and its parameters.

Planet

Name
KELT-9 Ab
Planet Status
Confirmed
Discovered in
2017
Update
2024-08-04
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Detection Method
Primary Transit
Mass Meas. Method
Radial Velocity
Radius Meas. Method
Primary Transit
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names
HD 195689 b, HD 195689 Ab, TOI-1150 b, TOI-1150.01
Data Source Type Result Value Result Figure Notes Reference
Measurements Day Average 4050.0 None 2017 - GAUDI B.
Molecule Data Source Type Result Value Result Figure Notes Reference
Ba
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Ca
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2003 - SOZZETTI A.
Cr
Measurements Detected 2024 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Cr II
Measurements Detected 2019 - HOEIJMAKERS H.
Fe
Measurements Detected 2024 - BORSATO N.
Measurements Detected 2018 - HOEIJMAKERS
Fe+
Measurements Detected 2018 - HOEIJMAKERS
FeH
Modeling Detected 2021 - CHANGEAT Q. & EDWARDS B.
Fe II
Measurements Detected 2022 - BELLO-ARUFE A.
H
Measurements Detected 2021 - CHANGEAT Q. & EDWARDS B.
Measurements Detected 2020 - WYTTENBACH A.
Measurements Detected 2019 - GARCIA MUÑOZ A. & SCHNEIDER P.
H2
Measurements Detected 2019 - MANSFIELD M.
K
Measurements Detected 2019 - LOTHRINGER J. & BARMAN T.
Mg
Measurements Detected 2024 - BORSATO N.
Measurements Detected 2019 - HOEIJMAKERS H.
Measurements Detected 2019 - LOTHRINGER J. & BARMAN T.
Na
Measurements Detected 2024 - BORSATO N.
Measurements Detected 2019 - HOEIJMAKERS H.
NI
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
O
Measurements Detected 2022 - ASNODKAE A.
Sc
Measurements Detected 2024 - BORSATO N.
Sc II
Measurements Detected 2019 - HOEIJMAKERS H.
Sr
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2019 - HOEIJMAKERS H.
Tb
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Ti
Measurements Detected 2024 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2019 - LOTHRINGER J. & BARMAN T.
Ti+
Measurements Detected 2019 - HOEIJMAKERS H.
Measurements Detected 2018 - HOEIJMAKERS
TiO
Modeling Detected 2021 - CHANGEAT Q. & EDWARDS B.
V
Measurements Detected 2023 - BORSATO N.
Measurements Detected 2023 - BORSATO N.
VO
Modeling Detected 2021 - CHANGEAT Q. & EDWARDS B.
Y II
Measurements Detected 2024 - BORSATO N.
Measurements Detected 2019 - HOEIJMAKERS H.

Scott Gaudi et al. 2017 measure a day side temperature of Kelt-9 b of 4600K

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Star

Name
KELT-9 A
Distance
204.455 ( +1.582 -1.558 ) pc
Spectral type
B9.5-A0V
Apparent magnitude V
7.59
Mass
2.52 ( +0.25 -0.2 ) MSun
Age
Effective temperature
Radius
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
20:31:26.4
Dec2000
+39:56:19.8
Alternate Names
HD 195689, TOI-1150

An M dwarf companion star lies 2671 AUs away.

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