2009MNRAS.399.1264W

Query : 2009MNRAS.399.1264W

2009MNRAS.399.1264W - Mon. Not. R. Astron. Soc., 399, 1264-1274 (2009/November-1)

Spectroscopic analysis of nearby lower-main-sequence stars.

WANG X.M., SHI J.R. and ZHAO G.

Abstract (from CDS):

Abundances of O, Na, Mg, Al, Si, K, Ca, Sc, Ti, V, Cr, Fe, Ni and Ba are determined for 30 nearby lower-main-sequence stars in the Northern sky using high-resolution, high signal-to-noise ratio spectra. Our results show an equilibrium of [Fe/H]I and [Fe/H]IIand a much smaller star-to-star scatter of the abundance ratios as a function of metallicity compared with the results of Kotoneva et al. The non-local thermodynamic equilibrium (non-LTE) corrections for oxygen are considered and found to be small (∼-0.04dex). A flat trend of [O/Fe] exists over the whole metallicity range. The non-LTE effects for some important elements are discussed, and it is found that the abundance pattern for our programme stars is very similar to that of F and G dwarfs.

Abstract Copyright: © 2009 National Astronomical Observatories, CAS. Journal compilation © 2009 RAS

Journal keyword(s): line: formation - stars: abundances - stars: late-type - Galaxy: evolution

Simbad objects: 31

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Number of rows : 31
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 HD 4256 PM* 00 45 04.8939395471 +01 47 07.877811378 9.939 9.021 8.001 7.44 6.976 K3V 134 0
2 V* V966 Cas BY* 01 02 57.2227680888 +69 13 37.428340368 8.71 8.42 7.67 7.07 6.66 G5V 69 0
3 HD 11130 PM* 01 50 07.8802135224 +29 27 52.473901500   8.83 8.06     G9V 45 0
4 HD 17379 PM* 02 49 20.1584123160 +53 01 22.983477636       7.8   K0 27 0
5 HD 17925 RS* 02 52 32.1281856011 -12 46 10.968056223 7.48 6.91 6.05 5.34 4.89 K1V 557 0
6 V* BZ Cet BY* 03 00 02.8119278075 +07 44 59.118374397 9.635 8.908 7.955 7.436 6.994 K2.5Vk 157 0
7 HD 18702 PM* 03 00 36.0975735477 +05 59 09.824730916   8.97   7.6   K2 99 0
8 HD 25100 PM* 04 01 05.9281303896 +43 27 39.424246020   9.08 8.25     K0 22 0
9 HD 25665 PM* 04 09 35.0401013854 +69 32 29.011235568       7.1   K2.5V 120 0
10 HD 31501 PM* 04 57 59.3728197659 +34 16 04.866504673   8.94   7.7   G8V 88 0
11 HD 36308 PM* 05 31 23.5456781496 +12 33 21.936314160   9.27 8.41 7.9   G5 56 0
12 HD 37216 PM* 05 39 52.3476047976 +52 53 50.951967360   8.60 7.83     G5V 81 0
13 HD 40891 SB* 06 06 24.6779984548 +63 50 06.463584247       7.9   G5 48 0
14 HD 60491 BY* 07 34 26.1676173360 -06 53 48.036803172 9.554 9.027 8.144 7.654 7.214 K1V 99 0
15 HD 65523 PM* 07 59 35.6329874328 +12 58 59.043873864   9.13   7.9   G5V 45 0
16 HD 69076 SB* 08 15 07.7289593352 -06 55 08.047911576   9.01 8.26     K0V 64 0
17 HD 68788 PM* 08 20 04.7788457134 +73 24 54.683365861   9.23   7.8   K0 61 0
18 HD 87547 PM* 10 07 05.3896505160 +52 09 18.350011620       8.930   K3:V 29 0
19 HD 151877 PM* 16 48 35.5141646014 +37 00 48.123002986   9.22   7.9   K0V 100 0
20 HD 152391 PM* 16 52 58.8025159848 -00 01 35.118396116   7.40 6.64     G8.5Vk: 396 0
21 V* V1688 Aql BY* 19 15 35.0532270288 +11 33 16.981454340       7.5   K2IV-V 38 0
22 HD 196201 PM* 20 35 26.2325618684 +11 21 25.664522243       8.0   G8 67 0
23 HD 201651 PM* 21 06 56.3883363168 +69 40 28.548436620   8.94 8.20     K0 53 0
24 HD 208038 PM* 21 53 05.3532467280 +20 55 49.871111232 9.734 9.078 8.148 7.638 7.18 K2.5V 78 0
25 HD 208313 BY* 21 54 45.0393081915 +32 19 42.840436429   8.69   7.1   K1 116 0
26 HD 209599 PM* 22 04 19.8606426144 +20 15 56.417475996       7.9   K0III 34 0
27 HD 219538 PM* 23 16 18.1576583535 +30 40 12.741240827   8.97   7.5   K2V 102 0
28 HD 220221 PM* 23 21 44.4512642400 +45 10 33.792347820       7.5   K3V(k) 61 0
29 HD 221239 PM* 23 30 13.7387602032 +31 42 20.974159944       7.8   K2.5V 47 0
30 HD 222935 SB* 23 45 09.9359153441 +29 33 42.729744598   9.26   7.8   K0 58 0
31 HD 223374 PM* 23 49 01.1602834344 +03 10 52.215726936   9.31 8.41     K2.5V 42 0

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