SuperStar

[jù xīng]

term in astronomy

open 9 entries with the same name

Giant stars are a form of stars in the process of evolution fixed star When old, its size and brightness will become very large, which will form a giant star.^[1]

Chinese name: SuperStar
Features: Large luminosity, large volume and small density

Properties: fixed star
Other definitions: Is compared to a great man with outstanding achievements in some aspects

catalog

Basic characteristics

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Giant stars are very large in size, but their mass is only a few to dozens of times that of the sun, and they are much brighter than the sun. Interestingly, although the giant star is very bright, its surface temperature is still similar to that of ordinary stars.^[1]

classification

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stay Herotu On Main star order Above and below the supergiant branch. Photometric level It belongs to Grade II - Ⅲ. The surface temperature is 2500k~7000k. A few blue giants have higher temperatures, while Cold giant The lowest temperature is only 1000K. ordinary Red Giant Its mass is 1.5~4 times that of the sun, and its radius is about 10 times that of the sun, which is a relatively late stage in the evolution of stars. In the Ming Dynasty of China, the saying of superstar has been widely used《 Public Biography of Jie Huan and Yuan 》：“（ Yuan Keli ） Death The night before last, a giant star fell to the southwest with sound. "

Stars with luminosity level II are called Bright superstar 。 Bright stars Herotu Distribution area on is between Supergiant And superstars. For a certain surface Effective temperature For bright giant stars, their luminosity is stronger than that of giant stars and weaker than that of supergiant stars. The famous bright stars are Orion δ、 Gradual Stage II The bright star of scorpio 19、 leo ε、 Auriga Southern cross γ, etc.

Comparison between planets in the solar system and other stars

Superstars list

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Superstars list
name	Solar radius (Sun=1)
Stevenson 2-18	2150-2158
IRAS 05280-6910	1260-1738
HR 5171 A	one thousand and five hundred
Canis Major VY	one thousand four hundred and twenty
VV Cephei	1600-1900
V838 Monocerotis	1570±400
Cepheid IV (Cepheus/ Garnet star )	one thousand six hundred and fifty
WOH G64	one thousand five hundred and forty
V354 Cephei	one thousand five hundred and twenty
KY Cygni	one thousand four hundred and twenty
Sagittarius KW	one thousand four hundred and sixty
RW Cephei	1260-1610
Betelgeuse ( Orion α)	one thousand one hundred and eighty
Sagittarius VX	832-1200
Antares ( scorpio α)	eight hundred
Shield base UY	seven hundred and fifty-five
Boat base V382	seven hundred and forty-seven
Rho Cassiopeiae (Cassiopeia ρ)	seven hundred and thirty-eight
Pegasus S	five hundred and eighty
Swordfish S	five hundred and fifty
Cepheus T	five hundred and forty
Orion S	five hundred and thirty
Serpentine W	five hundred and twenty
Auriga Y1	five hundred and eleven
Taurus 119	five hundred and ten
Cassiopeia R	five hundred
Wezen (Canis Major δ/Bezen)	four hundred and eighty-two
Cygnus χ	four hundred and seventy
Cassiopeia J	four hundred and sixty
Throne (Hercules alpha/Ras Algethi)	four hundred and sixty
蒭 Gaozeng'er ( Cetus ο/ Mira variable star )	four hundred
Haishan II ( Bottom seat η )	four hundred
V509 Cassiopeiae	400-910
Swordfish R	three hundred and seventy
Hull base HR	three hundred and fifty
Leo R	three hundred and fifty
Pistol Star (Pistol Star)	three hundred and forty
Beagle Y (La Superba)	three hundred
Tianjin IV (Cygnus alpha)	two hundred and twenty
LBV 1806-20	two hundred
Column I ( Epsilon Aurigae )	one hundred and seventy-five
Zeta Auriga	one hundred and sixty
Endangered Sleeping Three (Pegasus ε/Enif)	one hundred and fifty
Southern cross γ (Gacrux)	one hundred and thirteen
The chariot road increases by seven ( Albireo A1)	one hundred and nine
Peony Star	one hundred
Andromeda gamma	eighty-three
Toilet 1 ( Aplysia α)	seventy-seven
Rigel ( Orion beta )	seventy
Bottom seat ε	seventy
R variable star of northern corona	sixty-five
Elderly Star ( Ship base α)	sixty-five
R136a1	sixty
Orion δ (Mintaka)	sixty
Zeta Orion ( Alnitak )	sixty
Tianchuan Three (Perseus alpha/Mirfak)	sixty
Gemini ζ (Mekbuda)	sixty
Eagle η	sixty
Eltanin (Draco γ/Eltanin)	fifty
A desperate battle ( Taurus α)	forty-three
emperor ， Arctic II (Little Bear β/Kochab)	forty-one

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