Planet KELT-23 Ab

Detailed information about planet KELT-23 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

KELT-23 Ab

Mass

0.937 (\pm 0.04)

M_J 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Mass*sin(i)

—

Semi-Major Axis

0.03523 (\pm 0.0005)

AU 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Orbital Period

2.25528756 (\pm 6e-08)

day 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Eccentricity

—

ω

—

T_peri

—

Radius

1.29 (\pm 0.02)

R_J 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Inclination

86.04 (\pm 0.04)

deg 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Primary transit

2458683.911353 (\pm 2e-05)

JD 1 publication

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

Secondary transit

—

λ

—

Impact Parameter b

0.525 (\begin{matrix} + 0.004 \\ - 0.005 \end{matrix})

2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Time V_r=0

—

Velocity Semiamplitude K

150.6 (\pm 4.4)

m/s 1 publication

KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Calculated temperature

1513.0 (\pm 13.0)

K 2 publications

Precise Transit Photometry Using TESS II: Revisiting 28 Additional Transiting Systems With Updated Physical Properties
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference
H2O
H2O	Measurements	Detected				2025 - BASILICATA M.

No remarks

No link

Star

Name

KELT-23 A

Distance

125.42 (\pm 0.35)

pc 1 publication

KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Spectral type

G0V

Apparent magnitude V

10.4

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.942 (\begin{matrix} + 0.06 \\ - 0.054 \end{matrix})

M_Sun 2 publications

KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Age

6.4 (\begin{matrix} + 3.5 \\ - 3.2 \end{matrix})

Gyr 2 publications

KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Effective temperature

5899.0 (\pm 49.0)

K 2 publications

KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Radius

0.996 (\pm 0.015)

R_Sun 2 publications

KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Metallicity [Fe/H]

-0.105 (\pm 0.078)

2 publications

KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones
KELT-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

15:28:35.0

Dec₂₀₀₀

+66:21:32.0

Alternate Names

BD+66 911, TOI-1165

Michel & Mugrauer (2021): an M dwarf companion lies 577 AUs away.

No link

Simbad
Most recent references (ADS)

Planet KELT-23 Ab

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 1 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet KELT-23 Ab

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 1 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

A high stellar multiplicity rate amongst TESS planet candidates in the Neptunian desert using Gaia DR3 astrometry

The GAPS Programme at TNG LXVII. Detection of water and preliminary characterisation of the atmospheres of the two hot Jupiters KELT-8 b and KELT-23 Ab

Ground-based Reconnaissance Observations of 21 Exoplanet Atmospheres with the Exoplanet Transmission Spectroscopy Imager

A Hot Jupiter with a Retrograde Orbit around a Sun-like Star and a Toy Model of Hot Jupiters in Wide Binary Star Systems

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

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

Search for (sub)stellar companions of exoplanet hosts by exploring the second ESA-Gaia data release

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-23A b: A Hot Jupiter Transiting a Near-Solar Twin Close to the TESS and JWST Continuous Viewing Zones