ab doradus造句

• It is a candidate member of the AB Doradus moving group and has an orbiting companion at an angular separation of 0.3 arcseconds.
• Based on the estimated age and motion, it may be a member of the AB Doradus moving group that share a common motion through space.
• The velocity components of HD 189245 indicate that it is a likely member of the AB Doradus moving group of stars, which share a common motion through space.
• This system is a member of the eponymous AB Doradus Moving Group, a loose stellar association of about 30 stars that are all approximately the same age and moving in the same general direction.
• With a mass only 93 times that of Jupiter ( ), or . 09, AB Doradus C, a companion to AB Doradus A, is the smallest known star undergoing nuclear fusion in its core.
• With a mass only 93 times that of Jupiter ( ), or . 09, AB Doradus C, a companion to AB Doradus A, is the smallest known star undergoing nuclear fusion in its core.
• It must be noted that the estimation of its mass rely on its suspected membership in AB Doradus ( which provides a distance and an age ), as well as on the current generation of brown dwarfs evolutionary models.
• It is a relatively young stellar system, part of the AB Doradus moving group of ca . 30 main stars created from the same molecular cloud less than 100 million years ago, and the only one found among the 90 stars of the group examined.
• In 2012, Philippe Delorme, of the Institute of Planetology and Astrophysics of Grenoble in France announced the discovery of CFBDSIR 2149-0403; an independently moving 4-7 Jupiter-mass object that likely forms part of the AB Doradus moving group, less than 100 light years from Earth.
• "' CFBDSIR 2149-0403 "'( full designation "'CFBDSIR J214947.2-040308.9 "') is a free-floating planetary-mass object or possibly a low-mass brown dwarf, likely part of the AB Doradus moving group ( ABDMG ) as indicated by its position and proper motion.