GJ 1132 b

GJ 1132 b Image

Description: GJ 1132 b is an exoplanet orbiting GJ 1132, a red dwarf star 41 light-years from Earth, in the constellation Vela. The planet is considered uninhabitable but was thought to be cool enough to possess an atmosphere. GJ 1132 b was discovered by the MEarth-South array in Chile.

Physical Properties

Mass (Jupiter mass): 0.00578 MJ

Radius (Jupiter radius): 0.106 RJ

Density: 5.97 g/cm³

Equilibrium Temperature: 583.8 K

Orbital Parameters

Orbital Period: 1.62892911 days

Semi-major Axis: 0.0157 AU

Eccentricity: 0.0118

Inclination: 88.16°

Host Star Properties

Host Star: GJ 1132

Spectral Type: M4.5 V

Temperature: 3229.0 K

Stellar Mass: 0.19 M

Stellar Radius: 0.22 R

Discovery Information

Planet Letter: b

Object ID: 3.11819

Host ID: 2.101266

Discovery Date: 2015-11

Discovery Year: 2015

Discovery Method: Transit

Discovery Locale: Ground

Discovery Facility: Cerro Tololo Inter-American Observatory

Discovery Instrument: Apogee CCD Sensor

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