2012MNRAS.423..122B

Query : 2012MNRAS.423..122B

2012MNRAS.423..122B - Mon. Not. R. Astron. Soc., 423, 122-131 (2012/June-2)

Accurate fundamental parameters and detailed abundance patterns from spectroscopy of 93 solar-type Kepler targets.

BRUNTT H., BASU S., SMALLEY B., CHAPLIN W.J., VERNER G.A., BEDDING T.R., CATALA C., GAZZANO J.-C., MOLENDA-ZAKOWICZ J., THYGESEN A.O., UYTTERHOEVEN K., HEKKER S., HUBER D., KAROFF C., MATHUR S., MOSSER B., APPOURCHAUX T., CAMPANTE T.L., ELSWORTH Y., GARCIA R.A., HANDBERG R., METCALFE T.S., QUIRION P.-O., REGULO C., ROXBURGH I.W., STELLO D., CHRISTENSEN-DALSGAARD J., KAWALER S.D., KJELDSEN H., MORRIS R.L., QUINTANA E.V. and SANDERFER D.T.

Abstract (from CDS):

We present a detailed spectroscopic study of 93 solar-type stars that are targets of the NASA/Kepler mission and provide detailed chemical composition of each target. We find that the overall metallicity is well represented by Fe lines. Relative abundances of light elements (CNO) and α elements are generally higher for low-metallicity stars. Our spectroscopic analysis benefits from the accurately measured surface gravity from the asteroseismic analysis of the Kepler light curves. The accuracy on the log g parameter is better than 0.03 dex and is held fixed in the analysis. We compare our Teff determination with a recent colour calibration of VT-KS[TYCHO V magnitude minus Two Micron All Sky Survey (2MASS) KSmagnitude] and find very good agreement and a scatter of only 80 K, showing that for other nearby Kepler targets, this index can be used. The asteroseismic log g values agree very well with the classical determination using Fe I-Fe II balance, although we find a small systematic offset of 0.08 dex (asteroseismic log g values are lower). The abundance patterns of metals, α elements and the light elements (CNO) show that a simple scaling by [Fe/H] is adequate to represent the metallicity of the stars, except for the stars with metallicity below -0.3, where α-enhancement becomes important. However, this is only important for a very small fraction of the Kepler sample. We therefore recommend that a simple scaling with [Fe/H] be employed in the asteroseismic analyses of large ensembles of solar-type stars.

Based on observations obtained at the Canada-France-Hawaii Telescope (CFHT) which is operated by the National Research Council of Canada, the Institut National des Sciences de l'Univers of the Centre National de la Recherche Scientifique of France and the University of Hawaii.

Based on observations with the 2-m Telescope Bernard Lyot funded by the CNRS Institut National des Sciences de l'Univers. The likelihood ratio as a tool for radio continuum surveys with Square Kilometre Array precursor telescopes


Abstract Copyright: 2012 The Authors Monthly Notices of the Royal Astronomical Society2012 RAS

Journal keyword(s): stars: abundances - stars: atmospheres - stars: fundamental parameters - stars: solar-type

VizieR on-line data: <Available at CDS (J/MNRAS/423/122): table1.dat table3.dat table4.dat>

Simbad objects: 101

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Number of rows : 101
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 CMi SB* 07 39 18.11950 +05 13 29.9552 0.82 0.79 0.37 -0.05 -0.28 F5IV-V+DQZ 1925 0
2 * alf Cen ** 14 39 36.50 -60 50 02.3   0.4 -0.1     G2V+K1V 1031 0
3 BD+47 2683 * 18 43 42.4230433392 +47 56 16.009897416   9.85 9.26     G0V 96 0
4 2MASS J18441281+4332024 RG* 18 44 12.8095920264 +43 32 02.367065760   10.756 9.676 9.465   K1IV 45 0
5 HD 172910 Y*O 18 44 19.3604882816 -35 38 31.158238101 3.97 4.69 4.87 5.02 5.18 B2V 102 0
6 HD 173701 PM* 18 44 35.1191008536 +43 49 59.790008892   8.37 7.52     G8V 210 0
7 TYC 3544-1782-1 V* 18 45 47.5024088976 +48 04 56.999846712   10.25 9.81     F5IV-V 28 0
8 TYC 3130-1590-1 * 18 46 38.3354394840 +43 32 29.559941916   10.00 9.55     F5IV 24 0
9 BD+46 2555 Em* 18 47 39.2486448504 +46 41 09.979229364   9.98 9.52     F6IV 63 0
10 BD+47 2703 PM* 18 49 33.6586835784 +47 42 39.607192296   10.16 9.54 9.473   F9IV-V 61 0
11 BD+40 3504 RG* 18 51 16.8310729104 +40 51 14.164876368   10.44 9.79     G5IV 24 0
12 BD+43 3102 Er* 18 51 39.5934542496 +43 38 09.727323360   10.10 9.44 9.326   G5V 78 0
13 BD+43 3104 ** 18 51 44.353488 +43 23 30.02100   9.85 9.19 9.13   F8V 16 0
14 HD 175226 * 18 52 16.4984285976 +43 42 35.801031636   7.91 7.42     F6IV 84 0
15 HD 175576 * 18 54 14.3593913064 +41 13 32.861069328 7.820 7.790 7.330     F5 42 0
16 BD+44 3014 ** 18 54 51.223848 +44 36 56.33028   10.27 9.49 9.38   G6V 16 0
17 TYC 3123-1088-1 PM* 18 54 55.8843889776 +40 46 31.216294848   10.84 10.15     G3V 36 0
18 BD+45 2796 PM* 18 56 21.2642726544 +45 30 53.234154468   9.80 9.29     G0.5IV 110 0
19 HD 176071 PM* 18 56 22.1268370056 +45 30 25.361404632   8.81 8.33     F8IV 100 0
20 HD 176153 * 18 56 36.6514583496 +47 39 23.133492756   9.20 8.68     F9IV-V 95 0
21 HD 176465 ** 18 58 03.46393 +47 11 30.6471       8.462   G4V 62 0
22 HD 176693 Er* 18 59 08.6844743448 +48 25 23.600359776   9.34 8.83 8.996   F8V 148 0
23 TYC 3131-759-1 SB* 18 59 10.4997973752 +44 57 01.677181068   10.62 10.07     G0.5IV 36 0
24 TYC 3120-180-1 * 19 00 42.9751446288 +38 34 24.884003820   10.33 9.84     G0IV 32 0
25 HD 177153 PM* 19 01 39.6780721176 +41 29 24.328113936   7.76 7.21     G0 133 0
26 BD+40 3567 * 19 01 45.0508649856 +41 04 50.082446568   9.77 9.27     G0.5IV 43 0
27 TYC 3541-2345-1 Em* 19 02 09.8972932896 +45 16 39.357745608   10.90 10.21     G3V 57 0
28 HD 177412 SB* 19 02 39.4175915928 +43 07 02.940702096   8.38 7.86     F6IV 76 0
29 HD 177723 Em* 19 03 45.1355799960 +45 36 30.189464856   9.54 9.10     F8IV 75 0
30 HD 177780 * 19 04 16.3773617832 +41 00 11.447161920   9.01 8.37     G3V 50 0
31 BD+43 3152 SB* 19 05 02.5897090128 +43 22 46.587093780   9.94 9.38     F8IV 36 0
32 TYC 3124-850-1 * 19 05 37.8739768272 +39 43 09.853287060   10.36 9.88     F5IV-V 34 0
33 BD+38 3428 PM* 19 05 45.2617733112 +38 31 22.560830328   9.77 9.22     F9IV-V 78 0
34 HD 178509 * 19 06 55.9481056080 +42 40 19.342963020   9.39 8.86     F8IV 66 0
35 BD+42 3247 SB* 19 06 58.3280630808 +42 26 08.260897020   10.32 9.75     G0.5IV 81 0
36 HD 178688 * 19 07 43.5917202168 +41 56 15.730146420   9.48 9.02     F6IV 58 0
37 HD 178874 Er* 19 07 46.8467101920 +49 29 07.269742032   7.82 7.37     F2V 36 0
38 HD 178971 * 19 09 01.9438328856 +38 53 59.485809012   8.79 8.36     F5IV-V 81 0
39 HD 179070 Er* 19 09 26.8349590368 +38 42 50.455534860   8.767 8.25 8.00   F6IV 200 1
40 HD 179260 V* 19 10 11.6372611944 +38 04 55.831675296   8.94 8.49     F5IV-V 80 0
41 HD 179306 HB* 19 10 27.0078956016 +38 33 41.917257144   9.27 8.36 8.053   G8III 25 0
42 HD 179732 * 19 11 53.4817713600 +42 06 27.748644156   9.19 8.74     F5IV-V 61 0
43 BD+47 2787 Em* 19 14 54.1714120608 +47 41 48.497060760   10.33 9.77     G0.5IV 33 0
44 HD 234847 s*r 19 15 51.9503812608 +50 47 58.957244520   10.86 9.21 9.016   M1Ia 7 0
45 HD 180867 * 19 15 54.6866907216 +47 03 40.230679068   8.75 8.24     F6IV 67 0
46 BD+39 3706 SB* 19 16 34.9026130056 +40 02 50.359631244       9.1   G1.5V 92 0
47 HD 234856 Em* 19 17 45.8018919144 +50 28 48.274775580   9.87 9.32     F9IV-V 94 0
48 HD 181207 PM* 19 17 46.3565007888 +41 24 36.838219932   9.06 8.47     F9IV-V 105 0
49 BD+43 3209 * 19 18 54.1337809824 +43 29 46.691977452   10.14 9.52 9.46   F9IV-V 55 0
50 HD 181777 * 19 19 43.4510255328 +44 22 29.275860360   9.17 8.66     F8IV 34 0
51 BD+41 3315 PM* 19 20 29.3442099120 +41 17 28.510142676   9.92 9.38     F9IV-V 55 0
52 BD+43 3221 Em* 19 20 47.9392965792 +44 09 18.751522032   10.03 9.50     F9IV-V 93 0
53 BD+44 3110 HB* 19 21 15.4832095800 +44 32 47.907176352   10.71 9.74     G8III 34 0
54 BD+48 2882 ** 19 21 24.640392 +48 30 53.31924   10.27 9.45 9.36   G1V 66 0
55 BD+48 2887 Em* 19 22 20.2267974168 +48 41 43.496977812   9.43 9.01     F5IV 59 0
56 BD+36 3533 Em* 19 23 33.2215229808 +37 05 21.732235080   10.06 9.57     F5IV 29 0
57 HD 182633 * 19 23 36.9148636608 +43 53 28.653685440   8.97 8.47     F5IV-V 40 0
58 BD+43 3228 PM* 19 23 56.4112114464 +43 18 52.537486464   10.830 10.170 10.035   G0V 72 0
59 HD 182736 PM* 19 24 03.3792608280 +44 56 00.738992328   7.82 7.01     G8IV 88 0
60 BD+41 3338 Em* 19 24 11.1933479232 +42 03 09.726975180   9.97 9.19     G8IV-V 85 0
61 HD 182756 * 19 24 30.3488274144 +40 19 23.671912908   9.01 8.31     G1V 78 0
62 HD 183159 PM* 19 26 19.3088534112 +41 52 12.722677572   9.26 8.58     G1V 53 0
63 HD 183298 PM* 19 26 22.0906256352 +50 59 14.334181836   8.71 8.16     G0.5IV 112 0
64 TYC 3547-478-1 PM* 19 26 29.0625819360 +48 42 43.526835576   11.66 10.95     G5IV-V 41 0
65 TYC 3551-149-1 Em* 19 27 20.4900952416 +48 57 12.010523580   10.59 9.85     G5IV 59 0
66 BD+42 3353 * 19 28 13.1663213520 +42 51 49.134229956   9.61 9.10     F6IV 30 0
67 BD+36 3570 * 19 28 19.8441075024 +37 03 35.403120000   9.40 8.97     F8IV 74 0
68 HD 183727 PM* 19 29 01.5896818536 +43 10 34.086444024   8.91 8.49     F5IV-V 24 0
69 BD+44 3149 RG* 19 29 08.4405017304 +44 38 28.452855300   10.84 10.08 9.843   G9.5IV 48 0
70 TYC 3138-989-1 * 19 29 48.5312811528 +40 37 53.641429644   10.32 9.82     F8V 25 0
71 TYC 3147-130-1 * 19 30 33.1622120832 +44 22 13.053822384   10.40 9.93     F6IV 24 0
72 TYC 3560-2168-1 * 19 34 00.3539264880 +48 21 59.294540196   10.39 9.88     F8V 25 0
73 BD+46 2726 Er* 19 34 43.0022454096 +46 51 09.938179044   10.36 9.64 9.438   K0V 156 0
74 TYC 3143-53-1 SB* 19 35 03.7372740120 +42 44 16.724850540   10.31 9.85     F8IV 83 0
75 BD+46 2729 Em* 19 35 05.1660121440 +46 58 29.518389696   10.35 9.81     F6IV 42 0
76 BD+44 3183 Em* 19 35 50.5739000112 +44 52 50.022974316   9.38 8.92     hF6mF2gF5V 70 0
77 BD+49 3061 * 19 36 18.8482043712 +49 49 26.946226164   10.32 9.49     G8IV 43 0
78 TYC 3135-624-1 PM* 19 36 48.8136243480 +38 42 56.789855496   10.35 9.55     G5IV 88 0
79 HD 185457 * 19 37 27.6974454120 +40 35 19.915408284   8.93 8.42     F8IV 52 0
80 BD+44 3197 PM* 19 37 54.5252033200 +44 59 04.630621506   10.287 9.641 9.546   G0IV 82 0
81 TYC 3135-416-1 * 19 38 10.6797868344 +38 31 00.667275996   10.20 9.72     F5IV-V 43 0
82 TYC 3139-213-1 PM* 19 38 52.7297005992 +40 09 13.476692988   10.04 9.53     F8IV 24 0
83 HD 185834 Em* 19 39 00.6724153968 +46 54 06.984718740   9.26 8.78     F6IV 50 0
84 TYC 3556-3445-1 SB* 19 40 21.2108930904 +45 29 20.963746392   10.48 9.91     G3V 87 0
85 HD 186096 Em* 19 40 27.1755476736 +45 41 45.850613064   9.10 8.69     F5V 33 0
86 HD 186306 Em* 19 41 45.6454247760 +43 44 51.716276232   8.70 7.96     G9V 75 0
87 HD 186700 PM* 19 43 39.6223173216 +48 55 43.808906244   8.86 8.47     F5IV-V 84 0
88 BD+43 3349 * 19 45 23.9642658792 +44 04 35.865815844   10.01 9.51     F6IV 53 0
89 BD+44 3242 AB? 19 46 09.2101730088 +45 03 20.551891176   10.87 9.20 8.508   M1III 12 0
90 BD+44 3244 * 19 46 17.8465825824 +44 49 39.614328156   10.24 9.51     G5IV-V 53 0
91 HD 187160 SB* 19 46 41.3411982432 +44 20 54.601189476   7.650 7.083     F9IV-V 114 0
92 BD+43 3368 * 19 48 14.2913289840 +43 44 48.961091040   9.63 9.17     F8V 54 0
93 HD 187582 PM* 19 48 22.4074859616 +49 14 11.852056752   9.40 8.71     G3V 47 0
94 HD 187637 PM* 19 49 18.1388793264 +41 34 56.859084552       7.2   F8V 132 0
95 HD 226030 Er* 19 49 38.3876919096 +39 38 47.535753120   9.75 9.264     F5IV-V 30 0
96 BD+47 2934 SB* 19 50 14.2728443568 +47 28 25.166654760   9.68 9.24     F5IV-V 59 0
97 HD 188282 * 19 52 21.5566530504 +46 47 54.620619252   9.65 9.09     G0IV 25 0
98 HD 188325 * 19 52 41.6110326624 +44 36 16.756288776   9.44 8.94     F6IV 27 0
99 HD 188819 * 19 54 54.1810396872 +47 08 42.949406328   9.12 8.66     F8IV 78 0
100 HD 190166 PM* 20 01 51.4248305136 +44 21 14.147515008   10.13 9.581 9.523   F8V 69 0
101 HD 190319 PM* 20 02 33.3210896856 +44 31 58.994152536   10.63 9.91     G2.5V 46 0

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