2014A&A...566A..83M


C.D.S. - SIMBAD4 rel 1.7 - 2020.07.14CEST17:36:26

2014A&A...566A..83M - Astronomy and Astrophysics, volume 566A, 83-83 (2014/6-1)

Chemical abundances of stars with brown-dwarf companions.

MATA SANCHEZ D., GONZALEZ HERNANDEZ J.I., ISRAELIAN G., SANTOS N.C., SAHLMANN J. and UDRY S.

Abstract (from CDS):

It is well known that stars with giant planets are, on average, more metal-rich than stars without giant planets, whereas stars with detected low-mass planets do not require to be metal-rich. With the aim of studying the weak boundary that separates giant planets and brown dwarfs (BDs) and their formation mechanism, we analyze the spectra of a sample of stars with already confirmed BD companions both by radial velocity and astrometry. We employ standard and automatic tools to perform an equivalent width (EW) based analysis and to derive chemical abundances from the CORALIE spectra of stars with BD companions. We compare these abundances with those of stars without detected planets and with low-mass and giant-mass planets. We find that stars with BDs do not have metallicities and chemical abundances similar to those of giant-planet hosts, but they resemble the composition of stars with low-mass planets. The distribution of mean abundances of α-elements and iron peak elements of stars with BDs exhibit a peak at about solar abundance, whereas for stars with low-mass and high-mass planets the [Xα/H] and [XFe/H] peak abundances remain at ~-0.1dex and ~+0.15dex, respectively. We display these element abundances for stars with low-mass and high-mass planets, and BDs versus the minimum mass, mCsini, of the most massive substellar companion in each system, and we find a maximum in α-element as well as Fe-peak abundances at mCsini∼1.35±0.20 Jupiter masses. We discuss the implications of these results in the context of the formation scenario of BDs compared with that of giant planets.

Abstract Copyright:

Journal keyword(s): brown dwarfs - stars: abundances - planets and satellites: formation - planetary systems - stars: atmospheres

Simbad objects: 131

goto Full paper

goto View the reference in ADS

Number of rows : 131

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 142 PM* 00 06 19.17544 -49 04 30.6817   6.30 5.76     F7V 208 1
2 HD 1461 PM* 00 18 41.8673684261 -08 03 10.805762856   7.14 6.46     G3VFe0.5 316 1
3 HD 2638 ** 00 29 59.8720587219 -05 45 50.398743428   10.33 9.38 9.10 9.19 K1V 62 1
4 HD 3277 SB* 00 35 34.2558330528 -39 44 46.630870201   8.18 7.44     G8V 37 1
5 HD 4208 PM* 00 44 26.6507460377 -26 30 56.458181843   8.46 7.79     G7VFe-1CH-0.5 162 1
6 HD 4308 PM* 00 44 39.2675256910 -65 38 58.282490370 7.31 7.193 6.552     G6VFe-0.9 215 1
7 HD 4747 SB* 00 49 26.7612113944 -23 12 44.865754071 8.244 7.927 7.155 6.732 6.344 G8/K0V 128 0
8 HD 7199 PM* 01 10 47.2213949949 -66 11 17.390096250   8.89 8.03     K1IV 59 1
9 HD 7449 PM* 01 14 29.3222250437 -05 02 50.614804562   8.08 7.48     F9.5V 76 2
10 HD 10180 * 01 37 53.5773715933 -60 30 41.485438420   7.95 7.32     G1V 152 2
11 * q01 Eri PM* 01 42 29.3148822519 -53 44 26.991165270   6.05 5.52     F9V 263 1
12 HD 13808 PM* 02 12 42.9255524049 -53 44 38.012695512   9.232 8.38 8.06   K2V 58 1
13 * 79 Cet PM* 02 35 19.9292617962 -03 33 38.170691640   7.49 6.78     G2V 262 1
14 * lam02 For PM* 02 36 58.6079324808 -34 34 40.713450652 6.67 6.45 5.79     G1V 176 1
15 * iot Hor PM* 02 42 33.4664838826 -50 48 01.056222150   5.97 5.40     F8V 340 1
16 HD 17289 PM* 02 43 35.4653038277 -62 55 08.983676544   8.00 7.43     G0V 32 1
17 HD 20003 PM* 03 07 37.9173013857 -72 19 18.795631368   9.140 8.37 8.02 8.63 G8V 53 1
18 * 94 Cet PM* 03 12 46.4369076602 -01 11 45.949836281   5.631 5.070     F8.5V 402 1
19 * e Eri PM* 03 19 55.6509352 -43 04 11.217495 5.20 4.98 4.27 3.65 3.25 G6V 397 1
20 HD 20781 ** 03 20 02.9428 -28 47 01.790   9.263 8.44 8.17 8.43 G9.5V 84 1
21 HD 20782 PM* 03 20 03.5777409770 -28 51 14.660409684   8.03 7.38     G1.5V 157 1
22 HD 21693 PM* 03 27 12.4819659155 -58 19 25.248286529   8.715 7.94 8.00 8.61 G9IV-V 54 1
23 * eps Eri BY* 03 32 55.8449634 -09 27 29.731165 5.19 4.61 3.73 3.00 2.54 K2V 1697 1
24 HD 23079 PM* 03 39 43.0960508327 -52 54 57.016146971   7.68 7.11     F9.5V 136 1
25 HD 27894 PM* 04 20 47.0464176987 -59 24 39.023101746   10.42 9.42     K2V 64 1
26 HD 28185 PM* 04 26 26.3227027269 -10 33 02.945489682   8.52 7.81     G6.5IV-V 157 1
27 HD 30501 SB* 04 45 38.5794978854 -50 04 27.119812216 9.054 8.474 7.588 7.105 6.676 K2V 87 1
28 HD 31527 PM* 04 55 38.3827517884 -23 14 30.758953907   8.071 7.484 7.24 8.88 G0V 72 1
29 * pi. Men PM* 05 37 09.8851202601 -80 28 08.831347245   6.25 5.67     G0V 233 1
30 HD 39194 PM* 05 44 31.9183801309 -70 08 36.856704415   8.841 8.075     K0V 105 1
31 HD 38858 PM* 05 48 34.9401453172 -04 05 40.719529406 6.71 6.61 5.97     G2V 252 1
32 HD 40307 PM* 05 54 04.2409953924 -60 01 24.491747849 8.814 8.097 7.147 6.597 6.119 K2.5V 199 1
33 HD 42581B BD* 06 10 34.80 -21 52 00.0           T6.5 459 0
34 HD 43848 PM* 06 16 31.3569620776 -40 31 54.785883417   9.57 8.64     K2IV 30 1
35 HD 45184 PM* 06 24 43.8797456693 -28 46 48.416253741   7.01 6.39 6.24 8.94 G2Va 163 1
36 HD 45364 PM* 06 25 38.4744251424 -31 28 51.428476346   8.82 8.06     G8V 98 1
37 HD 47186 PM* 06 36 08.7879198906 -27 37 20.266866013   8.36 7.63     G6V 109 1
38 HD 51608 PM* 06 54 51.3411338573 -55 15 33.581130706   8.947 8.17 7.94 8.65 K0IV-V 73 1
39 HD 52265 PM* 07 00 18.0357152121 -05 22 01.778490073   6.845 6.282     G0V 286 1
40 HD 52756 PM* 07 00 29.5975950588 -41 22 47.301565255   9.35 8.47     K2IV 33 0
41 HD 53680 PM* 07 03 50.2137045243 -43 33 41.408685706 11.01 9.882 8.686 7.949 7.327 K6V 65 1
42 HD 63454 * 07 39 21.8536904513 -78 16 44.307904025   10.42 9.36     K3Vk: 67 1
43 HD 63765 PM* 07 47 49.7202294000 -54 15 50.919375231   8.85 8.10     G9V 65 1
44 HD 65216 PM* 07 53 41.3193105336 -63 38 50.353209584   8.65 7.96     G5V 105 1
45 HD 66428 PM* 08 03 28.6676195352 -01 09 45.759229097   8.97 8.26     G8IV(+G) 101 1
46 HD 69830 PM* 08 18 23.9469692487 -12 37 55.810202572   6.74 5.95     G8:V 464 2
47 HD 70642 PM* 08 21 28.1371964750 -39 42 19.480026866   7.89 7.18     G6VCN+0.5 135 1
48 V* CS Pyx BY* 08 36 23.0163309904 -30 02 15.441850007   8.84 8.06     G8IV-VFe+0.5 132 1
49 HD 74014 PM* 08 41 18.5612181529 -04 48 32.187963798   8.33 7.57     K0III 51 0
50 HD 74842 ** 08 44 45.0018205930 -42 38 04.058486266 8.26 7.96 7.22     G8V 52 0
51 HD 75289 PM* 08 47 40.3895634256 -41 44 12.456269569 7.04 6.94 6.36     F9VFe+0.3 242 1
52 HD 82943 PM* 09 34 50.7352288445 -12 07 46.363303103   7.17 6.53     F9VFe+0.5 401 2
53 HD 83443 PM* 09 37 11.8276134249 -43 16 19.932615823   9.03 8.24     K0/1V+G(III) 196 1
54 HD 85390 PM* 09 50 02.4969205710 -49 47 24.957628041   9.40 8.55     K1.5V 62 1
55 HD 85512 PM* 09 51 07.0520306762 -43 30 10.021950881 9.963 8.83 7.651 6.934 6.319 K6Vk: 152 1
56 HD 89707 SB* 10 20 49.9820182134 -15 28 47.680757393   7.74 7.19     G2VFe-1.5CH-0.8 121 0
57 HD 90156 PM* 10 23 55.2739374820 -29 38 43.906618411 7.758 7.603 6.920 6.534 6.189 G5V 102 1
58 HD 92788 PM* 10 42 48.5280658285 -02 11 01.522096792   8.01 7.30     G6V 195 1
59 HD 93083 PM* 10 44 20.9151275118 -33 34 37.286245853   9.27 8.33     K2IV-V 86 1
60 HD 93385 PM* 10 46 15.1160197580 -41 27 51.726112295   8.08 7.486 7.61 8.82 G2/3V 72 1
61 HD 94340 PM* 10 53 04.5347746328 -20 37 41.542377129   7.72 7.08     G4V 44 0
62 HD 96700 PM* 11 07 54.4269492842 -30 10 28.445136193   7.11 6.503 6.59 8.95 G1VFe-0.5 125 1
63 HD 100777 * 11 35 51.5230327145 -04 45 20.501221342   9.19 8.42     G8V 49 1
64 HD 101930 PM* 11 43 30.1133689238 -58 00 24.776845450   9.12 8.21     K2V+ 83 1
65 HD 102117 PM* 11 44 50.4608441567 -58 42 13.356420097   8.20 7.45     G6V 94 1
66 HD 102365 PM* 11 46 31.0719919710 -40 30 01.279976346 5.65 5.55 4.88 4.35 3.97 G2V 286 1
67 HD 104067 PM* 11 59 10.0086671715 -20 21 13.610117048 9.683 8.897 7.921 7.369 6.913 K2V 94 1
68 HD 107148 PM* 12 19 13.4912515291 -03 19 11.239207186   8.72 8.02     G5V 94 1
69 HD 108147 PM* 12 25 46.2670326229 -64 01 19.515027395   7.532 6.994     F8/G0V 152 1
70 HD 111232 PM* 12 48 51.7525840250 -68 25 30.547067196   8.29 7.61     G8VFe-1.0 116 1
71 HD 112863 * 12 59 45.5075981070 -04 25 49.052778807   9.48 8.69 8.3   K1V 21 0
72 HD 114386 PM* 13 10 39.8240404770 -35 03 17.214796454   9.80 8.71     K3V 95 1
73 HD 114783 PM* 13 12 43.7856018216 -02 15 54.129940644 9.137 8.469 7.550 7.053 6.627 K1V 157 1
74 HD 114729 PM* 13 12 44.2594905817 -31 52 24.057468040   7.31 6.69     G0V 156 1
75 * 61 Vir PM* 13 18 24.3142756 -18 18 40.304648 5.710 5.440 4.740     G6.5V 592 1
76 HD 116858 PM* 13 26 39.5571809057 -24 17 36.141374540   9.71 8.78     K2.5Vk: 54 0
77 HD 117207 PM* 13 29 21.1129830405 -35 34 15.586278234   7.98 7.25     G7IV-V 103 1
78 HD 117618 PM* 13 32 25.5555942170 -47 16 16.913384391   7.77 7.17     G0V 98 1
79 HD 121504 PM* 13 57 17.2384093173 -56 02 24.156313081   8.12 7.52     G2V 144 1
80 HD 125455 PM* 14 19 34.8634227884 -05 09 04.290184448 8.946 8.426 7.569 7.093 6.664 K1V 119 1
81 HD 126525 PM* 14 27 32.9718177113 -51 55 59.107520674   8.529 7.85 7.56 8.31 G4V 80 1
82 HD 130322 PM* 14 47 32.7265637197 -00 16 53.305928889   8.82 8.04     K0V 230 1
83 HD 130992 PM* 14 51 40.4650703944 -24 18 14.876582825 9.695 8.825 7.805 7.216 6.724 K3.5V 116 0
84 HD 134060 PM* 15 10 44.7429942541 -61 25 20.361553963   6.91 6.285 6.16 8.68 G0VFe+0.4 105 1
85 * 23 Lib PM* 15 13 28.6671093171 -25 18 33.654699099   7.168 6.46 6.43   G6IV-V 257 1
86 HD 134606 PM* 15 15 15.0442916033 -70 31 10.643946773   7.61 6.854 6.69 8.89 G6IV 67 1
87 * nu.02 Lup PM* 15 21 48.1511171112 -48 19 03.462483973 6.35 6.30 5.65     G3/5V 232 1
88 HD 137388 PM* 15 35 39.9207645417 -80 12 16.538435367   9.59 8.70 8.42 8.37 K2IV 51 1
89 HD 330075 PM* 15 49 37.6938243823 -49 57 48.677088732   10.23 9.33     G5 74 1
90 HD 141937 PM* 15 52 17.5481365464 -18 26 09.793876507   7.87 7.25     G1V 145 1
91 HD 142022 PM* 16 10 15.0268591227 -84 13 53.813712139   8.47 7.69     G9IV-V 85 1
92 HD 147513 PM* 16 24 01.2905970257 -39 11 34.734611237 6.17 6.02 5.376     G5V 308 1
93 HD 150433 PM* 16 41 08.2147823122 -02 51 26.202219924   7.861 7.22 6.80 8.70 G5V 94 1
94 HD 154088 PM* 17 04 27.8432064954 -28 34 57.639798036   7.411 6.584     K0IV-V 104 1
95 HD 154697 PM* 17 07 14.4132301876 -02 52 00.945608512   8.57 7.82     G6V 31 1
96 HD 157172 PM* 17 22 34.5659640467 -19 36 58.251504228   8.637 7.86 7.60 8.58 G8.5V 60 1
97 HD 159868 PM* 17 38 59.5264302446 -43 08 43.844349464   7.96 7.24     G5V 117 1
98 * mu. Ara PM* 17 44 08.7036342277 -51 50 02.591049123   5.85 5.15     G3IV-V 465 2
99 HD 162020 * 17 50 38.3545681675 -40 19 06.080050505   10.11 9.12     K3V 124 1
100 HD 164427 PM* 18 04 42.5896800082 -59 12 34.467774827   7.50 6.89     G0+V 48 1
101 HD 166724 PM* 18 13 59.6758303884 -42 34 31.356241761   10.20 9.34 8.96 9.37 K0IV/V 39 1
102 HD 167665 PM* 18 17 23.7584695845 -28 17 20.201725932   6.94 6.40     F9VFe-0.8CH-0.4 87 1
103 HD 168746 PM* 18 21 49.7828389501 -11 55 21.653794976   8.66 7.95     G5V 159 2
104 HD 169830 * 18 27 49.4852008378 -29 49 00.705771732   6.406 5.902 7.01   F7V 243 1
105 HD 179949 BY* 19 15 33.2300861317 -24 10 45.673372382   6.772 6.237     F8V 350 1
106 HD 181433 PM* 19 25 09.5672280149 -66 28 07.676289768   9.42 8.38     K3III-IV 100 1
107 HD 188559 PM* 19 58 32.9841924039 -54 56 12.809933392   9.59 8.54     K3+V 47 0
108 HD 189567 PM* 20 05 32.7652367983 -67 19 15.228862402 6.79 6.71 6.07     G2V 196 1
109 HD 190647 PM* 20 07 19.6698192687 -35 32 19.078587550   8.54 7.78     G5V 66 1
110 HD 189310 PM* 20 13 16.4295070894 -82 01 41.329026113   9.36 8.45     K2V 27 0
111 HD 192310 PM* 20 15 17.3916558603 -27 01 58.713584596   6.63 5.723 5.98 8.74 K2+V 279 1
112 HD 192961 PM* 20 19 36.9360580143 -46 25 41.214606843 11.016 9.889 8.708 7.998 7.413 K5.5V 62 0
113 HD 196050 ** 20 37 51.7098385539 -60 38 04.147300896   8.16 7.49     G3V 120 2
114 CD-40 14067 SB* 20 52 16.3801751457 -39 59 50.649866359   11.72 10.39     K6.5Vk: 11 1
115 HD 202206 PM* 21 14 57.7684954746 -20 47 21.162361638   8.79 8.07     G6V 192 1
116 HD 204313 PM* 21 28 12.2060697389 -21 43 34.516646513   8.696 8.02 7.76   G5V 82 2
117 HD 204941 PM* 21 32 23.5099500012 -20 57 26.719628458   9.39 8.48     K2V 65 1
118 HD 206505 PM* 21 48 30.9762356606 -78 25 59.680253750   9.55 8.73     K0V 18 0
119 HD 208487 PM* 21 57 19.8475392496 -37 45 49.047988735   8.02 7.47     G1/3(V) 94 1
120 HD 209458 V* 22 03 10.7729598762 +18 53 03.548248479   8.21 7.63     F9V 994 1
121 HD 210277 PM* 22 09 29.8657193934 -07 32 55.163014863   8.85 8.57 7.36   G8V 297 2
122 HD 211847 PM* 22 20 55.7381994126 -41 25 48.395068615   9.27 8.62     G5V 25 0
123 HD 212301 PM* 22 27 30.9215928401 -77 43 04.529817437   8.31 7.76     F8V 73 1
124 HD 213240 PM* 22 31 00.3665162994 -49 25 59.767492660   7.41 6.80     G0/1V 146 1
125 HD 215152 PM* 22 43 21.3028550007 -06 24 02.955702080   9.12 8.13 7.83 8.46 K3V 84 1
126 HD 215456 PM* 22 46 08.0342780583 -48 58 43.762370670   7.25 6.62 6.86 8.66 G0.5V 74 1
127 * tau01 Gru PM* 22 53 37.9322277750 -48 35 53.824643522 6.85 6.66 6.04     G0V 166 1
128 HD 216770 PM* 22 55 53.7082013969 -26 39 31.548008089   8.92 8.10     G9VCN+1 108 1
129 HD 221287 PM* 23 31 20.3381873379 -58 12 35.032427169   8.31 7.81     F7V 61 1
130 HD 222335 PM* 23 39 51.3061793878 -32 44 36.265462941 8.408 8.002 7.191 6.745 6.34 G9.5V 114 0
131 HD 222582 PM* 23 41 51.5299950324 -05 59 08.731514665   8.34 7.69     G5V 195 2

    Equat.    Gal    SGal    Ecl

To bookmark this query, right click on this link: simbad:objects in 2014A&A...566A..83M and select 'bookmark this link' or equivalent in the popup menu


2020.07.14-17:36:26

© Université de Strasbourg/CNRS

    • Contact