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She also used types such as B5A for stars halfway between types B and A, F2G for stars one fifth of the way from F to G, and so on. [60] [61] Finally, by 1912, Cannon had changed the types B, A, B5A, F2G, etc. to B0, A0, B5, F2, etc. [62] [63] This is essentially the modern form of the Harvard classification system. This system was developed ...
Pages in category "Star types" The following 88 pages are in this category, out of 88 total. This list may not reflect recent changes. A. A-type main-sequence star;
Variable stars have periodic or random changes in luminosity because of intrinsic or extrinsic properties. Of the intrinsically variable stars, the primary types can be subdivided into three principal groups. During their stellar evolution, some stars pass through phases where they can become pulsating variables.
This top-category page is for specific stars. For groupings of stars, ... Star types (1 C, 88 P) + Astronomical catalogues of stars (16 C, 50 P) Star atlases (2 C, 8 P) >
The following is a list of particularly notable actual or hypothetical stars that have their own articles in Wikipedia, but are not included in the lists above. BPM 37093 — a diamond star Cygnus X-1 — X-ray source
Lists of stars. List of nearest stars; List of brightest stars; List of hottest stars; List of nearest bright stars; List of most luminous stars; List of most massive stars; List of largest known stars; List of smallest stars; List of oldest stars; List of stars with proplyds; List of variable stars; List of semiregular variable stars; List of ...
The red dwarf stars are considered the smallest stars known, and representative of the smallest star possible. [64] [65] [66] Brown dwarf: WISEA 1810−1010: 0.067 0.655 7.29 46,840 km (29,110 mi) Brown dwarfs are not massive enough to build up the pressure in the central regions to allow nuclear fusion of hydrogen into helium.
Pages in category "Stars by type" This category contains only the following page. This list may not reflect recent changes. H. List of high-proper-motion stars