{"version":"1.0","type":"link","title":"Subdwarf - Newikis","description":"A subdwarf, sometimes denoted by \"sd\", is a star with 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 a Hertzsprung–Russell diagram subdwarfs…","provider_name":"Newikis","provider_url":"https://newikis.com","cache_age":86400,"thumbnail_url":"https://thumb.wikimedia.org/wikipedia/commons/thumb/6/67/HR-diag-no-text-2.svg/1280px-HR-diag-no-text-2.svg.png","thumbnail_width":1280,"thumbnail_height":1463}