2006A&A...453..717J

Query : 2006A&A...453..717J

2006A&A...453..717J - Astronomy and Astrophysics, volume 453, 717-722 (2006/7-2)

Lithium abundances for early F stars: new observational constraints for the Li dilution.

JASNIEWICZ G., RECIO-BLANCO A., DE LAVERNY P., PARTHASARATHY M. and DE MEDEIROS J.R.

Abstract (from CDS):

To investigate any correlation between Li abundances and rotational velocities among F-G evolved stars, we study a large sample of early F stars from the Bright Star Catalogue (BSC), most of them classified in the literature as giant stars. Physical parameters and Li abundances are estimated for each star, often for the first time, by comparing observed and synthetic spectra. We analyse the position of the stars in the H-R Diagram based on Hipparcos data using stellar evolutionary tracks and we discuss their Li abundances and projected rotational velocities. Observed stars are mostly on the turnoff, with masses between 1.5 and 2.0M☉. The stars with measured A(Li) abundance show high Li content, most of them with abundance near the cosmic value. The A(Li) versus Vsini diagram shows the same trend as reported in previous studies: fast rotators (Vsini>30km/s) are also stars with high Li content, whereas slow rotators present a wide range of values of A(Li), ranging from no detected Li to the cosmic value.

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Journal keyword(s): stars: evolution - stars: late-type - stars: fundamental parameters - stars: abundances

Simbad objects: 59

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Number of rows : 59
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 * rho And PM* 00 21 07.2687391968 +37 58 06.979645056   5.60 5.18     F5IV-V 131 0
2 HD 2630 PM* 00 29 51.8970081864 -14 51 50.792078448   6.513 6.131     F2/3V 60 0
3 * 65 Psc B PM* 00 49 52.8738026040 +27 42 38.911000608 5.990 6.69 6.28 6.12   F4III 54 0
4 * 65 Psc A PM* 00 49 53.1664217465 +27 42 37.037441270   6.64 6.29 6.27   F5III 49 0
5 HD 5357 PM* 00 56 55.1327072016 +68 46 32.296544040   6.732 6.386     F4III 38 0
6 HD 8634 SB* 01 25 35.6770156104 +23 30 41.460068844   6.625 6.187 14.22   F6V 93 0
7 * chi Cet PM* 01 49 35.1027660619 -10 41 11.070999501 5.04 5.00 4.68 4.38 4.22 F0V 201 0
8 * 14 Ari PM* 02 09 25.3249845242 +25 56 23.416316591   5.318 4.977     F2III 102 0
9 * 12 Tri PM* 02 28 09.9798701064 +29 40 09.585503796 5.680 5.580 5.290     F0III 72 0
10 * 16 Per dS* 02 50 35.0596652199 +38 19 07.114405802   4.57   4.0   F2III 124 0
11 HD 17918 PM* 02 53 11.6950558272 +16 29 00.456532116   6.74 6.30     F5III 61 0
12 * 36 Per PM* 03 32 26.2592647368 +46 03 24.701606568 5.71 5.73 5.32 4.91 4.69 F4III 113 0
13 HD 26923 PM* 04 15 28.8004060272 +06 11 12.698572488 6.910 6.860   5.9   G0IV 214 0
14 HD 34045 * 05 13 59.9493412200 -14 36 24.730914636   6.586 6.210     A9II/III 44 0
15 * 45 Ori * 05 35 39.4841556384 -04 51 21.839576760   5.483 5.234     A9IV/V 70 0
16 HD 36994 ** 05 36 30.1917265176 +25 56 24.614701872   6.959 6.506     F5III 54 0
17 * eta Lep PM* 05 56 24.2934904501 -14 10 03.718335613 4.05 4.05 3.72 3.39 3.23 F2V 336 0
18 HD 41700 SB* 06 04 28.4392966104 -45 02 11.772746376   6.87 6.35     F8V 102 0
19 * 45 Aur SB* 06 21 46.1303030544 +53 27 07.838642844   5.774 5.333     F6III+ 101 0
20 HD 44497 PM* 06 22 36.3924256056 +12 34 12.853157052 6.350 6.300 6.000     F0III 44 0
21 * ksi Gem PM* 06 45 17.3644854477 +12 53 44.141855267 3.85 3.79 3.36 2.97 2.74 F5IV-V 218 0
22 * 48 Gem * 07 12 26.3762241744 +24 07 42.938002164 6.30 6.21 5.85     F5III-IV 73 0
23 * del01 CMi * 07 32 05.9488273416 +01 54 52.126832700   5.448 5.233     F0V 84 0
24 * omi Gem PM* 07 39 09.9346623336 +34 35 03.502791096 5.41 5.30 4.90 4.51 4.29 F5-6IV 106 0
25 HD 71433 SB* 08 27 17.2681026672 -06 24 34.976973924   7.105 6.598     F5III/IV 59 0
26 HD 71766 * 08 28 51.0026082960 -09 44 54.912433452   6.419 5.989     F3/5III 29 0
27 * 4 LMi SB* 08 40 18.2868730128 +31 56 30.816246300 6.660 6.610 6.220     F5III 39 0
28 * b UMa * 08 53 22.5577646328 +61 57 44.158155984 6.150 6.030 5.740     F2III 47 0
29 HD 76292 PM* 08 56 30.5155379784 +40 12 05.303194920 6.310 6.240 5.880     F3III 66 0
30 HD 76990 * 09 15 21.4269235416 +84 10 51.650499396 6.680 6.600 6.280     F2III 31 0
31 HD 82043 SB* 09 29 24.4402345200 -02 12 18.686521656   6.345 6.126     A7/8V+(F/G) 33 0
32 * zet Leo V* 10 16 41.4151642435 +23 25 02.341160368 3.89 3.72 3.41 3.09 2.91 F0IIIa 227 0
33 HD 92787 PM* 10 43 32.8901986032 +46 12 13.947275952   5.51   5.0   F5III 94 0
34 * lam Crt SB* 11 23 21.8814666155 -18 46 48.128136896   5.51 5.09     F5III 115 0
35 * 18 Com * 12 29 27.0424033224 +24 06 32.122207044   5.898 5.468     F5IV 130 1
36 * mu. Vir PM* 14 43 03.6239867612 -05 39 29.524956308 4.25 4.26 3.88 3.48 3.26 F2V 227 0
37 * omi Lib * 15 21 01.3893561336 -15 32 54.065518476   6.513 6.143     F2V 58 0
38 HD 138803 PM* 15 33 52.7058530208 +17 08 14.486229924 6.840 6.800 6.490     F1IV-V 40 0
39 HD 138936 PM* 15 35 04.5813479760 +01 40 09.177696408   6.822 6.550     A9V 38 0
40 * 39 Her SB* 16 41 36.6992519496 +26 55 00.768709236   6.31 5.916     F3V:+F3V: 74 0
41 HD 156971 PM* 17 20 52.6301489136 -10 41 47.077663848   6.791 6.454     A9/F0IV 54 0
42 HD 159026 * 17 30 40.2088708344 +38 52 55.935116436   6.929 6.431     F6IVn 39 0
43 HD 171802 SB* 18 36 27.8342684736 +09 07 20.969709132   5.76 5.39     F5III 103 0
44 * 8 Aql dS* 18 51 22.1582092680 -03 19 04.285074432   6.341 6.056     F0IV 46 0
45 HD 175824 PM* 18 54 47.1269593464 +48 51 33.852890016   6.274 5.836     F3III 58 0
46 HD 178233 PM* 19 06 37.7343393336 +28 37 42.942413568 5.88 5.84 5.55     F0III 64 0
47 V* V4333 Sgr dS* 19 36 26.0756222280 -18 51 10.518287148   6.39 6.12     F0V 40 0
48 * e02 Sgr ** 19 42 31.1329901640 -16 07 26.392911168   5.362 5.045     F3IV/V 66 0
49 V* V1276 Cyg dS* 19 42 49.1113433544 +29 19 54.354520380   6.862 6.525     F1III 77 0
50 V* CN Dra dS* 19 46 44.6580874320 +68 26 16.747554444   6.625 6.331     F0III 63 0
51 * 16 Vul ** 20 02 01.43152 +24 56 16.9534       6.71   F2III 91 0
52 HD 190172 * 20 04 01.1902399632 -07 28 10.174313820   7.07 6.72     F3II 40 0
53 V* V1401 Aql pA* 20 05 05.4136151160 -11 35 57.894584100   6.88 6.39     F2II 109 0
54 HD 199611 * 20 56 25.4774838120 +50 43 42.948296868   6.157 5.820     F0III 58 0
55 HD 203842 PM* 21 24 24.5637219312 +10 10 27.197570460   6.792 6.317     F5III 63 0
56 * 20 Aqr PM* 21 24 51.6752187480 -03 23 54.082320324   6.711 6.375     F0V 39 0
57 HD 207760 PM* 21 51 41.7470578368 -18 37 22.579219164   6.52 6.16     F0V 44 0
58 * mu. Cap PM* 21 53 17.7704445429 -13 33 06.366703913   5.45 5.08     F2V 105 0
59 * 20 Peg PM* 22 01 05.3510084472 +13 07 11.417141100   5.944 5.599     F4III 70 0

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