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Cosmic Chemical Evolution
. Ed(S): Nomoto, K.; Truran, James W.
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Description for Cosmic Chemical Evolution
Paperback. Proceedings of the 187th Symposium of the International Astronomical Union, held in Kyoto, Japan, August 26-30, 1997 Editor(s): Nomoto, K.; Truran, James W. Series: International Astronomical Union Symposia (Closed). Num Pages: 242 pages, biography. BIC Classification: PGK. Category: (P) Professional & Vocational; (UP) Postgraduate, Research & Scholarly. Dimension: 240 x 160 x 15. Weight in Grams: 409.
The open cluster NGC 6791 is now considered both the oldest and the most metal-rich known. Its age is 8 -10 Gyrs, twice as old as the canonical solar-metallicity cluster M67 (Garnavich et al. 1994; Demarque, Green, & Guenther 1992; Tripicco et al. 1995). That its metallicity is significantly above solar is suggested from moderate-resolution spectroscopy and from a mismatch of its color-magnitude diagram (CMD) with solar-metallicity isochrones. Tripicco et al. (1995) find [Fe/H] = +0.27 to +0.44. The cluster population is rich. In addition to about a dozen red giants and two dozen red horizontal-branch stars, the cluster has ... Read more
The open cluster NGC 6791 is now considered both the oldest and the most metal-rich known. Its age is 8 -10 Gyrs, twice as old as the canonical solar-metallicity cluster M67 (Garnavich et al. 1994; Demarque, Green, & Guenther 1992; Tripicco et al. 1995). That its metallicity is significantly above solar is suggested from moderate-resolution spectroscopy and from a mismatch of its color-magnitude diagram (CMD) with solar-metallicity isochrones. Tripicco et al. (1995) find [Fe/H] = +0.27 to +0.44. The cluster population is rich. In addition to about a dozen red giants and two dozen red horizontal-branch stars, the cluster has ... Read more
Product Details
Format
Paperback
Publication date
2002
Publisher
Kluwer Academic Publishers United States
Number of pages
242
Condition
New
Series
International Astronomical Union Symposia (Closed)
Number of Pages
242
Place of Publication
New York, NY, United States
ISBN
9781402004490
SKU
V9781402004490
Shipping Time
Usually ships in 15 to 20 working days
Ref
99-15
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