underluminosity
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Subdwarf star — A subdwarf star, sometimes denoted by sd , is luminosity class VI under the Yerkes spectral classification system. They are defined as stars with luminosity 1.5 to 2 magnitudes lower than that of main sequence stars of the same spectral type. On… … Wikipedia
2M1207b — Planetbox begin name=2M1207bPlanetbox image caption = Infrared image of 2M1207 (blueish) and 2M1207b (reddish). The two objects are separated by less than one arc second in Earth s sky. Image taken using the ESO s 8.2m Yepun VLT.Planetbox star… … Wikipedia
2M1207 b — Vue d artiste de 2M1207 b et de son étoile. Étoile Nom 2M1207 Ascension droite 12h 07m 33.47s Déclinaison … Wikipédia en Français
2M1207b — Экзопланета Списки экзопланет Сравнеительные размеры 2M1207b и Юпитера. Родительская звезда Звезда 2M1207 … Википедия
2M1207 b — 2M1207 b Экзопланета Списки экзопланет … Википедия