2009ApJS..182...80S

Query : 2009ApJS..182...80S

2009ApJS..182...80S - Astrophys. J., Suppl. Ser., 182, 80-96 (2009/May-0)

New rare earth element abundance distributions for the Sun and five r-process-rich very metal-poor stars.

SNEDEN C., LAWLER J.E., COWAN J.J., IVANS I.I. and DEN HARTOG E.A.

Abstract (from CDS):

We have derived new abundances of the rare earth elements Pr, Dy, Tm, Yb, and Lu for the solar photosphere and for five very metal-poor, neutron-capture r-process-rich giant stars. The photospheric values for all five elements are in good agreement with meteoritic abundances. For the low-metallicity sample, these abundances have been combined with new Ce abundances from a companion paper, and reconsideration of a few other elements in individual stars, to produce internally consistent Ba, rare earth, and Hf (56 ≤ Z ≤ 72) element distributions. These have been used in a critical comparison between stellar and solar r-process abundance mixes.

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Journal keyword(s): atomic data - stars: abundances - stars: individual (CS 22829-052, CS 31082-001, HD 115444, HD 221170, BD+17 3248) - stars: Population II - Sun: abundances

VizieR on-line data: <Available at CDS (J/ApJS/182/80): table3.dat table45.dat table10.dat table11.dat table12.dat>

Simbad objects: 5

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Number of rows : 5
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 BD-16 251 RG* 01 29 31.1311443552 -16 00 45.495314460 12.527 12.427 11.642 11.189 10.713 CEMP 318 0
2 HD 115444 Pe* 13 16 42.4590842616 +36 22 52.692135420   9.77 8.97 8.3 7.88 G9V 252 0
3 BD+17 3248 HB* 17 28 14.4690179544 +17 30 35.847574776   10.02 9.34     KIIvw 239 0
4 BPS CS 22892-0052 Pe* 22 17 01.6558764360 -16 39 27.051026544   14.03 13.20 13.06 12.19 KIIvw 472 0
5 HD 221170 Pe* 23 29 28.8087143040 +30 25 57.849303180 9.43 8.74 7.66     CEMP-r 306 0

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