Planet KELT-18 Ab

Detailed information about planet KELT-18 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

KELT-18 Ab

Planet Status

Confirmed

Discovered in

2017

Update

2024-08-01

Mass

1.176 (\pm 0.036)

M_J 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Mass*sin(i)

—

Semi-Major Axis

0.04573 (\pm 0.00086)

AU 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Orbital Period

2.8716082 (\pm 1e-06)

day 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Eccentricity

— 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

ω

—

T_peri

— 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Radius

1.568 (\pm 0.029)

R_J 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Inclination

89.24 (\pm 0.06)

deg 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2458932.42707 (\pm 0.00024)

JD 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Secondary transit

2457541.08916 (\pm 0.00039)

λ

-94.8 (\pm 0.7)

deg 1 publication

KPF Confirms a Polar Orbit for KELT-18 b

Impact Parameter b

0.069 (\pm 0.05)

2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Time V_r=0

—

Velocity Semiamplitude K

127.0 (\pm 13.0)

m/s 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Calculated temperature

2077.0 (\pm 38.0)

K 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

TOI-1300 b, TOI-1300.01, BD+60 1538 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

KELT-18 A

Distance

311.0 (\pm 14.0)

pc 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Spectral type

F4V

Apparent magnitude V

10.1

Mass

1.524 (\pm 0.069)

M_Sun 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Age

1.9 (\pm 0.2)

Gyr 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Effective temperature

6670.0 (\pm 120.0)

K 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Radius

1.908 (\begin{matrix} + 0.042 \\ - 0.035 \end{matrix})

R_Sun 1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Metallicity [Fe/H]

0.09 (\pm 0.13)

1 publication

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

14:26:06.0

Dec₂₀₀₀

+59:26:39.0

Alternate Names

BD+60 1538, TOI-1300

An M dwarf companion star lies ~1100 AUs away.

No link

Simbad
Most recent references (ADS)

Planet KELT-18 Ab

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet KELT-18 Ab

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Low-resolution transit spectroscopy of three hot jupiters using the 2m Himalayan Chandra Telescope

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

KPF Confirms a Polar Orbit for KELT-18 b

Significant Transit Timing Offsets of 31 Hot Jupiters

Search for planets in hot Jupiter systems with multi-sector TESS photometry. I. No companions in planetary systems KELT-18, KELT-23, KELT-24, Qatar-8, WASP-62, WASP-100, WASP-119, and WASP-126

KELT: The Kilodegree Extremely Little Telescope, a Survey for Exoplanets Transiting Bright, Hot Stars

KELT-18b: Puffy Planet, Hot Host, Probably Perturbed