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Giant star

Index Giant star

A giant star has a substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature. [1]

Table of Contents

  1. 70 relations: Albireo, Alcyone (star), Aldebaran, Alpha Herculis, American Institute of Physics, Arcturus, Asymptotic giant branch, Beta Corvi, Beta Draconis, Blue giant, Bristol, Canopus, Capella, Carbon, Classical Cepheid variable, Convection, Delta Scorpii, Delta Scuti variable, Dredge-up, Dwarf star, Effective temperature, Ejnar Hertzsprung, Epsilon Canis Majoris, Epsilon Ophiuchi, Eta Boötis, Gamma Canis Majoris, Gamma Geminorum, Helium, Helium flash, Hertzsprung–Russell diagram, Horizontal branch, Hydrogen, Hypergiant, Instability strip, Institute of Physics, Jacqueline Mitton, Kepler de Souza Oliveira, List of nearest giant stars, Luminosity, Main sequence, Meissa, Metallicity, Mira, Nuclear fusion, Oxygen, Pennsylvania State University, Pleiades, Pollux (star), Post-AGB star, R Doradus, ... Expand index (20 more) »

  2. Giant stars

Albireo

Albireo is a double star designated Beta Cygni (β Cygni, abbreviated Beta Cyg, β Cyg).

See Giant star and Albireo

Alcyone (star)

Alcyone, designated η Tauri (Eta Tauri, abbreviated Eta Tau, η Tau), is a star in the constellation of Taurus.

See Giant star and Alcyone (star)

Aldebaran

Aldebaran (lit) is a star located in the zodiac constellation of Taurus.

See Giant star and Aldebaran

Alpha Herculis

Alpha Herculis (α Herculis, abbreviated Alpha Her, α Her), also designated Rasalgethi and 64 Herculis, is a multiple star system in the constellation of Hercules.

See Giant star and Alpha Herculis

American Institute of Physics

The American Institute of Physics (AIP) promotes science and the profession of physics, publishes physics journals, and produces publications for scientific and engineering societies.

See Giant star and American Institute of Physics

Arcturus

|- bgcolor.

See Giant star and Arcturus

Asymptotic giant branch

The asymptotic giant branch (AGB) is a region of the Hertzsprung–Russell diagram populated by evolved cool luminous stars. Giant star and asymptotic giant branch are star types.

See Giant star and Asymptotic giant branch

Beta Corvi

Beta Corvi or β Corvi, officially named Kraz, is the second-brightest star in the southern constellation of Corvus with an apparent visual magnitude of 2.647.

See Giant star and Beta Corvi

Beta Draconis

Beta Draconis, a name Latinized from β Draconis, is a binary star system and the third-brightest star in the northern circumpolar constellation of Draco.

See Giant star and Beta Draconis

Blue giant

In astronomy, a blue giant is a hot star with a luminosity class of III (giant) or II (bright giant). Giant star and blue giant are giant stars.

See Giant star and Blue giant

Bristol

Bristol is a city, unitary authority area and ceremonial county in South West England, the most populous city in the region.

See Giant star and Bristol

Canopus

Canopus is the brightest star in the southern constellation of Carina and the second-brightest star in the night sky.

See Giant star and Canopus

Capella

Capella is the brightest star in the northern constellation of Auriga.

See Giant star and Capella

Carbon

Carbon is a chemical element; it has symbol C and atomic number 6.

See Giant star and Carbon

Classical Cepheid variable

Classical Cepheids are a type of Cepheid variable star.

See Giant star and Classical Cepheid variable

Convection

Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoyancy).

See Giant star and Convection

Delta Scorpii

Delta Scorpii (Latinised from δ Scorpii, abbreviated Delta Sco, δ Sco) is a binary star (the presence of a third star in the system is being debated) in the constellation of Scorpius.

See Giant star and Delta Scorpii

Delta Scuti variable

A Delta Scuti variable (sometimes termed dwarf cepheid when the V-band amplitude is larger than 0.3 mag.) is a subclass of young pulsating star.

See Giant star and Delta Scuti variable

Dredge-up

A dredge-up is any one of several stages in the evolution of some stars.

See Giant star and Dredge-up

Dwarf star

A dwarf star is a star of relatively small size and low luminosity. Giant star and dwarf star are star types.

See Giant star and Dwarf star

Effective temperature

The effective temperature of a body such as a star or planet is the temperature of a black body that would emit the same total amount of electromagnetic radiation.

See Giant star and Effective temperature

Ejnar Hertzsprung

Ejnar Hertzsprung (8 October 1873 – 21 October 1967) was a Danish chemist and astronomer.

See Giant star and Ejnar Hertzsprung

Epsilon Canis Majoris

Epsilon Canis Majoris is a binary star system and the second-brightest star in the constellation of Canis Major.

See Giant star and Epsilon Canis Majoris

Epsilon Ophiuchi

Epsilon Ophiuchi or ε Ophiuchi, formally named Yed Posterior, is a red giant star in the constellation of Ophiuchus.

See Giant star and Epsilon Ophiuchi

Eta Boötis

Eta Boötis (η Boötis, abbreviated Eta Boo, η Boo) is a binary star in the constellation of Boötes.

See Giant star and Eta Boötis

Gamma Canis Majoris

Gamma Canis Majoris (γ Canis Majoris, abbreviated Gamma CMa, γ CMa), also named Muliphein, is a star in the constellation of Canis Major.

See Giant star and Gamma Canis Majoris

Gamma Geminorum

Gamma Geminorum (γ Geminorum, abbreviated Gamma Gem, γ Gem), formally named Alhena, is the third-brightest object in the constellation of Gemini.

See Giant star and Gamma Geminorum

Helium

Helium (from lit) is a chemical element; it has symbol He and atomic number 2.

See Giant star and Helium

Helium flash

A helium flash is a very brief thermal runaway nuclear fusion of large quantities of helium into carbon through the triple-alpha process in the core of low-mass stars (between 0.8 solar masses and 2.0) during their red giant phase.

See Giant star and Helium flash

Hertzsprung–Russell diagram

The Hertzsprung–Russell diagram (abbreviated as H–R diagram, HR diagram or HRD) is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities and their stellar classifications or effective temperatures.

See Giant star and Hertzsprung–Russell diagram

Horizontal branch

The horizontal branch (HB) is a stage of stellar evolution that immediately follows the red-giant branch in stars whose masses are similar to the Sun's. Giant star and horizontal branch are star types.

See Giant star and Horizontal branch

Hydrogen

Hydrogen is a chemical element; it has symbol H and atomic number 1.

See Giant star and Hydrogen

Hypergiant

A hypergiant (luminosity class 0 or Ia+) is a very rare type of star that has an extremely high luminosity, mass, size and mass loss because of its extreme stellar winds. Giant star and hypergiant are star types.

See Giant star and Hypergiant

Instability strip

The unqualified term instability strip usually refers to a region of the Hertzsprung–Russell diagram largely occupied by several related classes of pulsating variable stars: Delta Scuti variables, SX Phoenicis variables, and rapidly oscillating Ap stars (roAps) near the main sequence; RR Lyrae variables where it intersects the horizontal branch; and the Cepheid variables where it crosses the supergiants.

See Giant star and Instability strip

Institute of Physics

The Institute of Physics (IOP) is a UK-based not-for-profit learned society and professional body that works to advance physics education, research and application.

See Giant star and Institute of Physics

Jacqueline Mitton

Jacqueline Mitton (née Pardoe, born 1948) is a British astronomer, writer, and media consultant who lives and works in Cambridge, UK.

See Giant star and Jacqueline Mitton

Kepler de Souza Oliveira

Kepler de Souza Oliveira Filho (born 16 February 1956), also known as S. O. Kepler, is a Brazilian astronomer primarily known for his work on white dwarfs, variable stars, and magnetars.

See Giant star and Kepler de Souza Oliveira

List of nearest giant stars

This is a list of the nearest giant stars (luminosity class III or II) to the Earth, located at a distance of up to. Giant star and list of nearest giant stars are giant stars.

See Giant star and List of nearest giant stars

Luminosity

Luminosity is an absolute measure of radiated electromagnetic energy (light) per unit time, and is synonymous with the radiant power emitted by a light-emitting object.

See Giant star and Luminosity

Main sequence

In astronomy, the main sequence is a classification of stars which appear on plots of stellar color versus brightness as a continuous and distinctive band. Giant star and main sequence are star types.

See Giant star and Main sequence

Meissa

Meissa, designated Lambda Orionis (λ Orionis, abbreviated Lambda Ori, λ Ori) is a star in the constellation of Orion.

See Giant star and Meissa

Metallicity

In astronomy, metallicity is the abundance of elements present in an object that are heavier than hydrogen and helium.

See Giant star and Metallicity

Mira

Mira, designation Omicron Ceti (ο Ceti, abbreviated Omicron Cet, ο Cet), is a red-giant star estimated to be 200–300 light-years from the Sun in the constellation Cetus.

See Giant star and Mira

Nuclear fusion

Nuclear fusion is a reaction in which two or more atomic nuclei, usually deuterium and tritium (hydrogen isotopes), combine to form one or more different atomic nuclei and subatomic particles (neutrons or protons).

See Giant star and Nuclear fusion

Oxygen

Oxygen is a chemical element; it has symbol O and atomic number 8.

See Giant star and Oxygen

Pennsylvania State University

The Pennsylvania State University, commonly referred to as Penn State and sometimes by the acronym PSU, is a public state-related land-grant research university with campuses and facilities throughout Pennsylvania.

See Giant star and Pennsylvania State University

Pleiades

The Pleiades, also known as the Seven Sisters and Messier 45, reflects an observed pattern formed by those stars, in an asterism of an open star cluster containing middle-aged, hot B-type stars in the northwest of the constellation Taurus.

See Giant star and Pleiades

Pollux (star)

Pollux is the brightest star in the constellation of Gemini.

See Giant star and Pollux (star)

Post-AGB star

A post-AGB star (pAGB, abbreviation of post-asymptotic giant branch) is a type of luminous supergiant star of intermediate mass in a very late phase of stellar evolution. Giant star and post-AGB star are star types.

See Giant star and Post-AGB star

R Doradus

R Doradus (HD 29712 or P Doradus) is a red giant variable star in the far-southern constellation Dorado, close to the border with Reticulum.

See Giant star and R Doradus

Radius

In classical geometry, a radius (radii or radiuses) of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.

See Giant star and Radius

Red clump

The red clump is a clustering of red giants in the Hertzsprung–Russell diagram at around 5,000 K and absolute magnitude (MV) +0.5, slightly hotter than most red-giant-branch stars of the same luminosity.

See Giant star and Red clump

Red giant

A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses) in a late phase of stellar evolution. Giant star and red giant are star types.

See Giant star and Red giant

RR Lyrae variable

RR Lyrae variables are periodic variable stars, commonly found in globular clusters.

See Giant star and RR Lyrae variable

Schönberg–Chandrasekhar limit

In stellar astrophysics, the Schönberg–Chandrasekhar limit is the maximum mass of a non-fusing, isothermal core that can support an enclosing envelope.

See Giant star and Schönberg–Chandrasekhar limit

Sigma Octantis

Sigma Octantis is a solitary star in the Octans constellation that forms the pole star of the Southern Hemisphere.

See Giant star and Sigma Octantis

Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

See Giant star and Solar mass

Solar radius

Solar radius is a unit of distance used to express the size of stars in astronomy relative to the Sun.

See Giant star and Solar radius

Star

A star is a luminous spheroid of plasma held together by self-gravity.

See Giant star and Star

Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

See Giant star and Stellar classification

Subgiant

A subgiant is a star that is brighter than a normal main-sequence star of the same spectral class, but not as bright as giant stars. Giant star and subgiant are star types.

See Giant star and Subgiant

Sun

The Sun is the star at the center of the Solar System.

See Giant star and Sun

Supergiant

Supergiants are among the most massive and most luminous stars. Giant star and Supergiant are star types.

See Giant star and Supergiant

The Astrophysical Journal

The Astrophysical Journal (ApJ) is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.

See Giant star and The Astrophysical Journal

Theta Scorpii

Theta Scorpii (θ Scorpii, abbreviated Theta Sco, θ Sco) is a binary star in the southern zodiac constellation of Scorpius.

See Giant star and Theta Scorpii

Thuban

Thuban, with Bayer designation Alpha Draconis or α Draconis, is a binary star system in the northern constellation of Draco.

See Giant star and Thuban

Triple-alpha process

The triple-alpha process is a set of nuclear fusion reactions by which three helium-4 nuclei (alpha particles) are transformed into carbon.

See Giant star and Triple-alpha process

Universe

The universe is all of space and time and their contents.

See Giant star and Universe

W Virginis variable

W Virginis variables are a subclass of Type II Cepheids which exhibit pulsation periods between 10–20 days, and are of spectral class F6 – K2.

See Giant star and W Virginis variable

White dwarf

A white dwarf is a stellar core remnant composed mostly of electron-degenerate matter. Giant star and white dwarf are star types.

See Giant star and White dwarf

See also

Giant stars

References

[1] https://en.wikipedia.org/wiki/Giant_star

Also known as Blue-white giant, Bright giant, Bright giant star, Bright giant stars, Bright giants, Class II star, G-type giant, Giant (star), Giant stars, Giant-star, K-type giant, Orange giant, White giant, White giant star, White giants, Yellow giant, Yellow giant star.

, Radius, Red clump, Red giant, RR Lyrae variable, Schönberg–Chandrasekhar limit, Sigma Octantis, Solar mass, Solar radius, Star, Stellar classification, Subgiant, Sun, Supergiant, The Astrophysical Journal, Theta Scorpii, Thuban, Triple-alpha process, Universe, W Virginis variable, White dwarf.