HD 128311 is a variable star in the northern constellation of Boötes. It has the variable star designation HN Boötis, while HD 128311 is the star's designation in the Henry Draper …

Oct 24, 2024 · HD 128311 b is a gas giant exoplanet that orbits a K-type star. Its mass is 1.769 Jupiters, it takes 453 days to complete one orbit of its star, and is 1.084 AU from its star. Its …

HD 128311 b is an exoplanet [2] located approximately 54 light-years away in the constellation of Boötes. This planet orbits in an eccentric orbit about 1.084 AU from its star ( HD 128311 ). The …

Spectroscopic [Fe/H] for 98 extra-solar planet-host stars. Exploring the probability of planet formation. Statistical properties of exoplanets. II. Metallicity, orbital parameters, and space …

Orange star HD 128311 is located 53 light years away from the Sun. It is a single star of spectral class K3V C, that has 82 % of solar mass. There are multiple known exoplanets in this system.

Mean motion resonances help us to understand the formation of multiplanteray systems. The existense of this resonance is a strong indication that interactions with the protoplanetary disk …

Apr 2, 2025 · HD 128311 is a orange to red star in the constellation of Bootes. It is too faint to be seen in the northern hemisphere night sky without a telescope. HD 128311 distance from …

Exoplanet HD 128311 b orbits star HD 128311 that lies 53 light years away from the Sun. It weighs about 693 Earth masses and orbits its star further than Earth orbits Sun.

Astrometry, Radial Velocity, and Photometry: The HD 128311 System Remixed with Data from HST, HET, and APT

HD 128311 is a variable K3 V (alternatively K0 V) star of BY Dra-type that is approximately 0.5 Gyr old and 16.57 pc from Earth, younger and less massive than our Sun. It is a probable …