Planet HIP 17453 b

Detailed information about planet HIP 17453 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HIP 17453 b

Planet Status

Confirmed

Discovered in

2026

Publication Status

—

Update

2026-07-01

Mass

53.0 (\begin{matrix} + 10.0 \\ - 8.0 \end{matrix})

M_J 1 publication

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453

Mass*sin(i)

—

Semi-Major Axis

287.0 (\begin{matrix} + 206.0 \\ - 78.0 \end{matrix})

AU 1 publication

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453

Orbital Period

1219100.0 (\begin{matrix} + 1529350.0 \\ - 463550.0 \end{matrix})

day 1 publication

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453

Eccentricity

0.79 (\begin{matrix} + 0.16 \\ - 0.27 \end{matrix})

1 publication

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453

Angular distance

2.9 arcsec

ω

—

T_peri

—

Radius

—

Inclination

106.8 (\begin{matrix} + 26.0 \\ - 9.6 \end{matrix})

deg 1 publication

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453

Detection Method

Imaging

Mass Meas. Method

Spectrum

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1953.0 (\begin{matrix} + 84.0 \\ - 78.0 \end{matrix})

K 1 publication

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

5.25 1 publication

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Reference
FeH
FeH	Modeling	Detected	2026 - BRINJIKJI M.
H
H	Modeling	Detected	2026 - BRINJIKJI M.
H2O
H2O	Modeling	Detected	2026 - BRINJIKJI M.
K I
K I	Modeling	Detected	2026 - BRINJIKJI M.
VO
VO	Modeling	Detected	2026 - BRINJIKJI M.

Spectral type L2 ± 1.

No link

Star

Name

HIP 17453

Distance

80.5 (\begin{matrix} + 0.35 \\ - 0.29 \end{matrix})

Spectral type

A0Vp

Apparent magnitude V

—

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

2.08 (\pm 0.09)

M_Sun

Age

0.28 (\pm 0.125)

Gyr

Effective temperature

9400.0 (\pm 250.0)

Radius

—

Metallicity [Fe/H]

-0.06 (\pm 0.1)

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

03:44:28.2

Dec₂₀₀₀

+20:55:43.4

Alternate Names

HD 23258, Gaia DR3 63478624499091968

No remarks

No link

Simbad
Most recent references (ADS)

Planet HIP 17453 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 5 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet HIP 17453 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 5 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

The Companions to B and A Stars Snapshot (C-BASS) Survey: I. Discovery of a Young Brown Dwarf Companion to HIP 17453