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HD 175541 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 175541 b

Confirmed exoplanet · Gas Giant

HD 175541 b

Orbiting HD 175541

Discovered in 2007 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of HD 175541 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,007
Method: Radial Velocity
Radius: 14.1 R⊕
Mass: 190.06234 M⊕
Orbit: 298.43 days
Distance: 129.603 pc

Planet profile

Orbit and physical properties

Orbital period: 298.43 days
Semi-major axis: 0.975 AU
Eccentricity: 0.11
Radius: 14.1 Earth radii
Mass: 190.06234 Earth masses
Mass provenance: Msini
Density: 0.373 g/cm³
Equilibrium temperature: 501.11 K
Insolation: 9.0363 Earth flux

Host system

Star and system properties

Host star: HD 175541
Stars in system: 1
Known planets in system: 1
Spectral type: G8 IV
Stellar temperature: 5,013 K
Stellar radius: 4.19 R☉
Stellar mass: 1.39 M☉
Stellar metallicity: -0.07 dex
Stellar age: 1.9 Gyr
Distance: 129.603 parsecs
Right ascension: 18h55m40.88s
Declination: +04d15m53.76s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,007
Publication date: 2007-08
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

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