Planet HAT-P-57 Ab

Detailed information about planet HAT-P-57 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HAT-P-57 Ab

Planet Status

Confirmed

Discovered in

2015

Publication Status

Published in a refereed paper

Update

2025-03-31

Mass

1.85 (\begin{matrix} + 0.0 \\ - 1.85 \end{matrix})

M_J

Mass*sin(i)

1.85 (\begin{matrix} + 0.0 \\ - 1.85 \end{matrix})

M_J 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Semi-Major Axis

0.0406 (\pm 0.0011)

AU 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Orbital Period

2.465295 (\pm 3.2e-06)

day 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Eccentricity

0.0 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Angular distance

—

ω

—

T_peri

—

Radius

1.413 (\begin{matrix} + 0.054 \\ - 0.054 \end{matrix})

R_J 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Inclination

88.26 (\pm 0.85)

deg 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2455113.48127 (\pm 0.00048)

JD 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Secondary transit

—

λ

—

Impact Parameter b

0.031 (\begin{matrix} + 0.04 \\ - 0.023 \end{matrix})

1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Time V_r=0

—

Velocity Semiamplitude K

215.2 (\begin{matrix} + 0.0 \\ - 215.2 \end{matrix})

m/s 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Calculated temperature

2200.0 K 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

See also the specific Planets in Binaries webpage.

No link

Star

Name

HAT-P-57 A

Distance

303.0 (\pm 13.0)

pc 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Spectral type

—

Apparent magnitude V

10.47

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.47 (\pm 0.12)

M_Sun 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Age

1.0 (\begin{matrix} + 0.67 \\ - 0.51 \end{matrix})

Gyr 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Effective temperature

7500.0 (\pm 250.0)

K 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Radius

1.5 (\pm 0.05)

R_Sun 1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Metallicity [Fe/H]

-0.25 (\pm 0.25)

1 publication

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

18:18:58.4

Dec₂₀₀₀

+10:35:50.1

Alternate Names

2MASS 18185842+103

Member of a hierachical triple, with a pair of stars (of masses (0.5Msun and 0.6Msun and separated by 78au) at 788au from the primary. T

No link

Simbad
Most recent references (ADS)

Planet HAT-P-57 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

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 HAT-P-57 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

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

Featureless transmission spectra of 12 giant exoplanets observed by GTC/OSIRIS

High-resolution transmission spectroscopy study of ultra-hot Jupiters HAT-P-57b, KELT-17b, KELT-21b, KELT-7b, MASCARA-1b, and WASP-189b

Radius Study of Ten Transiting Hot Jupiter Exoplanets with Ground-Based Observations

HAT-P-57b: A Short-Period Giant Planet Transiting A Bright Rapidly Rotating A8V Star Confirmed Via Doppler Tomography