supergiant star

C18792
concept

A supergiant star is an extremely massive, luminous star in a late stage of stellar evolution, characterized by a very large radius and high brightness compared to main-sequence stars.

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All labels observed (13)

Label Occurrences
supergiant star canonical 12
blue supergiant 5
luminous supergiant 4

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: supergiant star
Generated description
A supergiant star is an extremely massive, luminous star in a late stage of stellar evolution, characterized by a very large radius and high brightness compared to main-sequence stars.

Instances (28)

Instance Via concept surface
Alnilam —
Saiph —
Beta Capricorni
surface form: Beta Capricorni A
—
redSupergiant Stephenson 2-18
surface form: Stephenson 2-18
cool supergiant
HD 24398 blue supergiant
Sanduleak -69 202 supernova progenitor
variable star UY Scuti
surface form: UY Scuti
cool supergiant
R Scuti yellow supergiant
S Doradus blue supergiant
Wezen yellow-white supergiant
Omicron2 Canis Majoris luminous cool supergiant
Delta Canis Majoris —
HR 1948 blue supergiant
HD 37742 blue supergiant
HR 1903 blue supergiant
HD 37128 —
Epsilon Orionis —
Arneb —
Mirfak —
Alpha Persei —
HD 39801 cool supergiant
Kappa Orionis —
Deneb blue-white supergiant star
red supergiant V399 Carinae (within field, often associated observationally)
surface form: V399 Carinae
cool luminous supergiant
β Aquarii —
Sadalsuud yellow supergiant star
Sadalmelik yellow supergiant
α Aquarii —