Memory Beta, non-canon Star Trek Wiki

A friendly reminder regarding spoilers! At present the expanded Trek universe is in a period of major upheaval with the finale of Picard and the continuations of Discovery, Lower Decks, Prodigy and Strange New Worlds, the advent of new eras in Star Trek Online gaming, as well as other post-56th Anniversary publications such as the new ongoing IDW comic. Therefore, please be courteous to other users who may not be aware of current developments by using the {{spoiler}}, {{spoilers}} or {{majorspoiler}} tags when adding new information from sources less than six months old. Also, please do not include details in the summary bar when editing pages and do not anticipate making additions relating to sources not yet in release. 'Thank You

READ MORE

Memory Beta, non-canon Star Trek Wiki
Register
Advertisement
For other uses, see Class A.
A class star

An example of an A-class star.

An A-class (or A-type) star is a stellar classification for stars composed of strong hydrogen and some ionized metals. The temperature ranges from 7,500 to 10,000 Kelvin, generally referred to as being blue-white or light blue in color. (ST reference: Star Charts)

Type A0 V stars are 50 times brighter than Sol and have 2.7 times more mass. Their habitable zone ranges from 5.5-9.3 AU and are 200 million to 1.2 billion years old. Type A5 V stars are 10 times brighter than Sol and have 1.8 times more mass. Their habitable zone ranges from 2.5-4.2 AU and are 500 million to 3 billion years old. (Decipher RPG module: Worlds)

Examples[]

Appendices[]

Connections[]

Stellar classification
By class and type class O blue-violet starclass B blue starclass A blue-white starclass F white star (white dwarf) • class G yellow star (yellow dwarfyellow giant) • class K orange star (orange giant) • class M red star (red dwarfred giant) • boson starbrown dwarfgreen starN-type starR-type starS-type starD-type star
By size or makeup black hole/black starcarbon stardwarf star (brown dwarfred dwarfwhite dwarfyellow dwarf) • giant star (blue giantred giantorange giantyellow giant) • Lazarus starmicrostarneutron star (collapsarmagnetarpulsar) • protostarsupergiant starvariable starwhite holeWolf-Rayet star

References[]

Advertisement