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MASCARA-1 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/MASCARA-1 b

Confirmed exoplanet · Gas Giant

MASCARA-1 b

Orbiting MASCARA-1

Discovered in 2017 using Transit. 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 MASCARA-1 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Transit
Radius: 17.900742 R⊕
Mass: 1,175.971 M⊕
Orbit: 2.148774 days
Distance: 182.273 pc

Planet profile

Orbit and physical properties

Orbital period: 2.148774 days
Semi-major axis: 0.040352 AU
Eccentricity: 0.00034
Radius: 17.900742 Earth radii
Mass: 1,175.971 Earth masses
Mass provenance: Mass
Density: 1.5 g/cm³
Equilibrium temperature: 2,594.3 K
Insolation: 38,711.5 Earth flux

Host system

Star and system properties

Host star: MASCARA-1
Stars in system: 1
Known planets in system: 1
Spectral type: A8
Stellar temperature: 7,490 K
Stellar radius: 2.082 R☉
Stellar mass: 1.9 M☉
Stellar metallicity: 0.15 dex
Stellar age: 0.8 Gyr
Distance: 182.273 parsecs
Right ascension: 21h10m12.37s
Declination: +10d44m20.03s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,017
Publication date: 2017-10
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

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