An A-type main-sequence star (AV) or A dwarf star is a main-sequence (hydrogen burning) star of spectral type A and luminosity class V (five). These stars...

A G-type main-sequence star (spectral type: G-V), also often, and imprecisely, called a yellow dwarf, or G star, is a main-sequence star (luminosity class...

Hypergiants absolute magni- tude (MV) A B-type main-sequence star (B V) is a main-sequence (hydrogen-burning) star of spectral type B and luminosity class V. These...

An F-type main-sequence star (F V) is a main-sequence, hydrogen-fusing star of spectral type F and luminosity class V. These stars have from 1.0 to 1...

A K-type main-sequence star, also referred to as a K-type dwarf, or orange dwarf, is a main-sequence (hydrogen-burning) star of spectral type K and luminosity...

absolute magni- tude (MV) An O-type main-sequence star (O V) is a main-sequence (core hydrogen-burning) star of spectral type O and luminosity class V. These...

A red dwarf is the smallest kind of star on the main sequence. Red dwarfs are by far the most common type of fusing star in the Milky Way, at least in...

star F-type main-sequence star G-type main-sequence star K-type main-sequence star M-type main-sequence star M-type (and, to a lesser extent, K-type)...

A pre-main-sequence star (also known as a PMS star and PMS object) is a star in the stage when it has not yet reached the main sequence. Earlier in its...

hydrogen slower, allowing more time for life to form on a planet around a K-type main-sequence star. The planet's habitable zone, ranging from 0.1–0.4 to...

The habitability of F-type main-sequence star (or yellow-white dwarf) systems is disputed due to the shorter lifetimes (3-8 Gyrs as opposed to 9-15 Gyrs...

remain in the main sequence for approximately 10 billion years. After the Sun, the closest G-type star to the Earth is Alpha Centauri A, 4.4 light-years...

limited by a few factors. Of the main-sequence star types, stars more massive than 1.5 times that of the Sun (spectral types O, B, and A) age too quickly...

An O-type star is a hot, blue-white star of spectral type O in the Yerkes classification system employed by astronomers. They have temperatures in excess...

star) and a hot secondary, which is a binary star formed from a B-type main-sequence star and an A-type main-sequence star. A 2021 estimate derive a distance...

Leonis, which are abbreviated Beta Leo or β Leo. Denebola is an A-type main sequence star with 75% more mass than the Sun and 15 times the Sun's luminosity...

Hertzsprung–Russell diagram Spectral type O B A F G K M L T Brown dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red giants...

detected in 1987 around Beta Pictoris, a very young A-type main-sequence star. There are now (as of February 2019) a total of 27 stars around which exocomets...

List of star systems within 500-1000 light-years List of Wolf-Rayet stars List of luminous blue variable stars List of O-type stars List of B-type stars...

from α Aquilae and abbreviated Alpha Aql or α Aql. Altair is an A-type main-sequence star with an apparent visual magnitude of 0.77 and is one of the vertices...

Planetary habitability Colonization of Europa Habitability of K-type main-sequence star systems Habitability of natural satellites Habitability of red...

O-type main-sequence star B-type main-sequence star A-type main-sequence star F-type main-sequence star G-type main-sequence star K-type main-sequence star...

they are main sequence objects. Planets around T Tauri stars include: HD 106906 b around an F-type star 1RXS J160929.1−210524b around a K-type star Gliese...

A dwarf star is a star of relatively small size and low luminosity. Most main sequence stars are dwarf stars. The meaning of the word "dwarf" was later...

lose over half their total mass while on the main sequence. The time a star spends on the main sequence depends primarily on the amount of fuel it has...

"sequential and incomplete information game" is one in which all players act in sequence, one after the other, and none are aware of all available information....

a B-type main sequence star and an F-type main sequence star. ρ Aql moved across the border into neighboring Delphinus in 1992, and is an A-type star...

Gaia BH1 (Gaia DR3 4373465352415301632) is a binary system consisting of a G-type main-sequence star and a likely stellar-mass black hole, located about...

581g Habitability of F-type main-sequence star systems Habitability of K-type main-sequence star systems Habitability of neutron star systems Habitability...

Autonomous vehicles A-type main-sequence star, in astronomy, abbreviated A V Aperture value mode, setting on photo cameras that allows to choose a specific aperture...