Abstract
view Abstract Citations (46) References (134) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Yellow Evolved Stars in Open Clusters Sowell, James R. Abstract This paper describes a program in which Galactic cluster post-AGB candidates were first identified and then analyzed for cluster membership via radial velocities, monitored for possible photometric variations, examined for evidence of mass loss, and classified as completely as possible in terms of their basic stellar parameters. The intrinsically brightest supergiants are found in the youngest clusters. With increasing cluster age, the absolute luminosities attained by the supergiants decline. It appears that the evolutionary tracks of luminosity class II stars are more similar to those of class I than of class III. Only two superluminous giant star candidates are found in open clusters. Publication: The Astrophysical Journal Supplement Series Pub Date: May 1987 DOI: 10.1086/191196 Bibcode: 1987ApJS...64..241S Keywords: Open Clusters; Stellar Evolution; Stellar Luminosity; Supergiant Stars; Color-Magnitude Diagram; Interstellar Extinction; Stellar Envelopes; Astronomy; CLUSTERS: OPEN; INFRARED: SOURCES; STARS: CIRCUMSTELLAR SHELLS; STARS: EVOLUTION; STARS: SPECTRAL CLASSIFICATION; STARS: SUPERGIANTS full text sources ADS | data products SIMBAD (252)
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