(1984 AF1 )
Incl: 8.55944
Eccent: 0.2682832
Period: 5.5927835490907 years
AU 3.1506871
Type: 0000

Discovery Chart

8.1.1984 08:33 Anderson Mesa 111w32 35n5 observations 1

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Named in memory of Marc Aaronson (1950–1987), associate professor of astronomy at the University of Arizona, killed in a tragic accident at the 4-m telescope at Kitt Peak. After completing his dissertation on the infrared properties of spiral galaxies, Aaronson demonstrated the determination of relative distances of galaxies independently of redshifts and detected the decelerative effect of the Virgo cluster on the Hubble flow. Observations of globular clusters in the Magellanic clouds showed carbon stars to be a characteristic of stellar populations of intermediate age, and his measurement of the large velocity dispersion of carbon stars in dwarf spheroidal galaxies suggested that even the smallest galaxies possess halos of cold dark matter. (M 12016)

Obituary published in Nature, Vol. 327, No. 6118, p. 92 (1987); Sterne Weltraum, 26. Jahrg., Nr. 9, p. 465 (1987); IAU Coll. No. 95, p. XVIII–IXX (1987); Phys. Today, Vol....

Avastatud: 8-1-1984 Avastamiskoht: Anderson Mesa Avastajad: Bowell, E.

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