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| Query : 2020RNAAS...4..144D |
2020RNAAS...4..144D - Research Notes of the AAS, 4, 144 (2020/August-0)
The Surface Abundances of 17 Com B: A Test for Self-consistent Evolutionary Models.
DEAL M. and MONIER R.
Abstract (from CDS):
Elemental abundances are derived for 17 Com B for 16 elements. They reinforce the Am status of this star. We show that the measured abundances are properly reproduced by stellar models including atomic diffusion and a parametrized turbulent diffusion coefficient. This parameterization agrees with that used in previous studies of Am stars.
Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.
Journal keyword(s): Chemically peculiar stars - Chemical abundances - Stellar evolution - Stellar evolutionary models
Simbad objects: 3
| Number of rows : 3 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2026 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | * alf CMa | SB* | 06 45 08.91728 | -16 42 58.0171 | -1.51 | -1.46 | -1.46 | -1.46 | -1.43 | A0mA1Va | 1610 | 0 |
| 2 | HD 108651 | SB* | 12 28 44.5650287472 | +25 53 57.557921208 | 6.82 | 6.61 | kA2hA9VmF0 | 174 | 0 | |||
| 3 | * 17 Com | a2* | 12 28 54.7022406648 | +25 54 46.265813136 | 5.208 | 5.236 | B9VCrEu | 288 | 0 |
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