Bright giant

Bright giants are stars of luminosity class II in the Yerkes spectral classification. These are stars which straddle the boundary between ordinary giants and supergiants, based on the appearance of their spectra.^[1] The bright giant luminosity class was first defined in 1943.^[2]

Example bright giants

Well known stars which are classified as bright giants include:

Alpha Carinae (Canopus): a white (A-type) bright giant
Epsilon Canis Majoris (Adhara): a blue-white (B-type) bright giant
Omicron Scorpii: a white (A-type) bright giant
Theta Scorpii (Sargas): a white (F-type) bright giant
Beta Draconis: a yellow (G-type) bright giant
Beta Capricorni (Dabih): an orange (K-type) bright giant
Alpha Herculis (Rasalgethi): a red (M-type) bright giant
Gamma Canis Majoris (Muliphein) a (B-Type) bright giant

References

^ Abt, Helmut A. (1957). "Line Broadening in High-Luminosity Stars. I. Bright Giants". Astrophysical Journal. 126: 503. Bibcode:1957ApJ...126..503A. doi:10.1086/146423.
^ Steven J. Dick (2019). Classifying the Cosmos: How We Can Make Sense of the Celestial Landscape. Springer. p. 176. ISBN 9783030103804.

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[abt-1] Abt, Helmut A. (1957). "Line Broadening in High-Luminosity Stars. I. Bright Giants". Astrophysical Journal. 126: 503. Bibcode:1957ApJ...126..503A. doi:10.1086/146423.

[dick-2] Steven J. Dick (2019). Classifying the Cosmos: How We Can Make Sense of the Celestial Landscape. Springer. p. 176. ISBN 9783030103804.

[1]

[2]

Example bright giants

See also

References