PDS 70 b
Description: PDS 70 is a very young T Tauri star in the constellation Centaurus. Located 370 light-years from Earth, it has a mass of 0.76 M☉ and is approximately 5.4 million years old. The star has a protoplanetary disk containing two nascent exoplanets, named PDS 70b and PDS 70c, which have been directly imaged by the European Southern Observatory's Very Large Telescope. PDS 70b was the first confirmed protoplanet to be directly imaged.
Physical Properties
Mass (Jupiter mass): 3.0 MJ
Radius (Jupiter radius): 2.72 RJ
Density: 0.185 g/cm³
Equilibrium Temperature: 1204.0 K
Orbital Parameters
Orbital Period: 43500.0 days
Semi-major Axis: 20.0 AU
Eccentricity: 0.19
Inclination: 140.0°
Host Star Properties
Host Star: PDS 70
Spectral Type: K7
Temperature: 3972.0 K
Stellar Mass: 0.76 M☉
Stellar Radius: 1.26 R☉
Discovery Information
Planet Letter: b
Object ID: 3.12309
Host ID: 2.103971
Discovery Date: 2018-09
Discovery Year: 2018
Discovery Method: Imaging
Discovery Locale: Ground
Discovery Facility: Paranal Observatory
Discovery Instrument: SPHERE