blue halo star setâregân-e âbi-ye hâlé Fr.: étoiles bleues du halo A star belonging to a variety of stars located above the → horizontal branch and blueward of the → red giant branch in the → Hertzsprung-Russell diagram of the → halo population. Etymology (EN): → blue; → halo; → star. Etymology (PE): Setâregân plural of setâré, → star, âbi, → blue, hâlé, → halo. |