2002A&A...395L..35R


C.D.S. - SIMBAD4 rel 1.7 - 2021.03.02CET03:03:49

2002A&A...395L..35R - Astronomy and Astrophysics, volume 395, L35-38 (2002/11-4)

Cerium: The lithium substitute in post-AGB stars.

REYNIERS M., VAN WINCKEL H., BIEMONT E. and QUINET P.

Abstract (from CDS):

In this letter we present an alternative identification for the line detected in the spectra of s-process enriched low-mass post-AGB stars around 6708Å and which was interpreted in the literature as due to Li. Newly released line lists of lanthanide species reveal, however, the likely identification of the line to be due to a Ceii transition. We argue that this identification is consistent with the Ce abundance of all the objects discussed in the literature and conclude that in none of the low-mass s-process enriched post-AGB stars there is indication for Li-production.

Abstract Copyright:

Journal keyword(s): atomic data - line: identification - stars: AGB and post-AGB - stars: abundances - stars: chemically peculiar

Simbad objects: 6

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Number of rows : 6

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 IRAS Z02229+6208 pA* 02 26 41.7848292289 +62 21 21.976769830   14.69 12.00 11.16 8.92 G8-K0_0-Ia: 52 0
2 IRAS 05113+1347 pA* 05 14 07.7667449611 +13 50 28.195908510   14.54 11.51   10.26 G5I 60 0
3 IRAS 05341+0852 pA* 05 36 55.0500719686 +08 54 08.646055747   15.37 13.45 12.95 11.43 F6I 107 0
4 IRAS 06530-0213 pA* 06 55 31.8196049619 -02 17 28.245201716   16.38 13.99 13.26   F5Ia 69 0
5 IRAS 07430+1115 s*r 07 45 51.3974980683 +11 08 19.532304180   13.94 12.22 11.82 10.69 M2I 56 0
6 HD 235858 pA* 22 29 10.3755939027 +54 51 06.341145584   11.40 9.52 8.47 7.34 G5Ia 240 0

    Equat.    Gal    SGal    Ecl

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2021.03.02-03:03:49

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