Noun
spectral type (plural spectral types)
(astronomy) an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits
11 Ursae Minoris is an orange giant of spectral type K4III around 1.8 times as massive as the Sun. Source: Internet
A Jupiter -like planet— Gliese 832 b —orbiting the red dwarf over a period of 9.4±0.4 years was discovered in 2008. citation WISE 2220−3628 is a brown dwarf of spectral type Y, and hence one of the coolest star-like objects known. Source: Internet
A common mnemonic for remembering the spectral type letters is "Oh, Be A Fine Guy/Girl, Kiss Me". Source: Internet
A planet with 2.3 times the mass of Jupiter orbits it every 4 days, discovered by the transit method in 2012. citation DEN 1048-3956 is a brown dwarf of spectral type M8 located around 13 light-years distant from Earth. Source: Internet
A planet around 11 times the mass of Jupiter was discovered orbiting the star with a period of 516 days in 2009. citation HD 120084 is another evolved star, this time a yellow giant of spectral type G7III, around 2.4 times the mass of the Sun. Source: Internet
An orange giant of spectral type K4/K5III, citation Kappa has a luminosity approximately 965 times that of the Sun. Source: Internet