Planet TOI-1836 Ab

Detailed information about planet TOI-1836 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

TOI-1836 Ab

Planet Status

Confirmed

Discovered in

2024

Publication Status

Published in a refereed paper

Update

2026-03-16

Mass

0.092 (\pm 0.015)

M_J 2 publications

Obliquities of exoplanet host stars. Nineteen new, updated measurements for the sample of 205 measurements and observed trends
The TESS-Keck Survey XXI: 13 New Planets and Homogeneous Properties for 21 Subgiant Systems

Mass*sin(i)

—

Semi-Major Axis

0.1577 AU

Orbital Period

20.38084 (\pm 2e-05)

day 2 publications

Obliquities of exoplanet host stars. Nineteen new, updated measurements for the sample of 205 measurements and observed trends
The TESS-Keck Survey XXI: 13 New Planets and Homogeneous Properties for 21 Subgiant Systems

Eccentricity

0.13 (\begin{matrix} + 0.12 \\ - 0.09 \end{matrix})

2 publications

Obliquities of exoplanet host stars. Nineteen new, updated measurements for the sample of 205 measurements and observed trends
The TESS-Keck Survey XXI: 13 New Planets and Homogeneous Properties for 21 Subgiant Systems

Angular distance

—

ω

—

T_peri

—

Radius

0.78188 (\pm 0.00161)

R_J 2 publications

Obliquities of exoplanet host stars. Nineteen new, updated measurements for the sample of 205 measurements and observed trends
The TESS-Keck Survey XXI: 13 New Planets and Homogeneous Properties for 21 Subgiant Systems

Inclination

—

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

14.0 (\pm 8.0)

deg 1 publication

How black hole activity may influence exoplanetary evolution in our Galaxy

Impact Parameter b

0.31 (\begin{matrix} + 0.19 \\ - 0.21 \end{matrix})

1 publication

Obliquities of exoplanet host stars. Nineteen new, updated measurements for the sample of 205 measurements and observed trends

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

HD 148193 Ab

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

TOI-1836 A

Distance

189.23 (\begin{matrix} + 0.5 \\ - 0.51 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

F6IV

Apparent magnitude V

9.77

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.29 (\pm 0.183)

M_Sun 2 publications

The Revised TESS Input Catalog and Candidate Target List
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS

Age

6.6 (\pm 1.8)

Gyr 2 publications

The TESS-Keck Survey XXI: 13 New Planets and Homogeneous Properties for 21 Subgiant Systems
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS

Effective temperature

6369.0 (\begin{matrix} + 35.0 \\ - 69.0 \end{matrix})

K 2 publications

The Revised TESS Input Catalog and Candidate Target List
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS

Radius

1.611 (\pm 0.0676)

R_Sun 2 publications

The Revised TESS Input Catalog and Candidate Target List
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS

Metallicity [Fe/H]

-0.098 (\begin{matrix} + 0.024 \\ - 0.047 \end{matrix})

2 publications

The TESS-Keck Survey XXI: 13 New Planets and Homogeneous Properties for 21 Subgiant Systems
Characterization of seven transiting systems including four warm Jupiters from SOPHIE and TESS

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

16:23:38.0

Dec₂₀₀₀

+54:41:23.1

Alternate Names

HD 148193 A

Chontos et al. (2024): TOI-1836 / HD 148193 is part of a quadruple system including two M dwarf companion stars about 155 and 1,895 AUs away respectively, the latter itself binary whose components are nearly equal and separated by 0.2 arcseconds (i.e. 38 AUs).

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