J/MNRAS/378/1141 Chemical abundances in 31 stars with planet (Gonzalez+, 2007)
Parent stars of extrasolar planets.
VIII. Chemical abundances for 18 elements in 31 stars.
Gonzalez G., Laws C.
<Mon. Not. R. Astron. Soc., 378, 1141-1152 (2007)>
=2007MNRAS.378.1141G 2007MNRAS.378.1141G
ADC_Keywords: Stars, nearby ; Planets ; Abundances
Keywords: stars: abundances - planetary systems
Abstract:
We present the results of detailed spectroscopic abundance analyses
for 18 elements in 31 nearby stars with planets (SWPs). The resulting
abundances are combined with other similar studies of nearby SWPs and
compared to a sample of nearby stars without detected planets. We find
some evidence for abundance differences between these two samples for
Al, Si and Ti. Some of our results are in conflict with a recent study
of SWPs in the SPOCS data base. We encourage continued study of the
abundance patterns of SWPs to resolve these discrepancies.
Description:
We focus on the 31 SWPs examined in Laws et al. (2003AJ....125.2664L 2003AJ....125.2664L)
(here, we are now including HD 202206 amongst the SWP sample for
comparison purposes in this paper). We measured equivalent widths
(EWs) for atomic lines of C, N, O, Na, Mg, Al, Si, S, Ca, Sc, Ti, Cr,
Ni, Zn and Eu.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 83 31 [X/H] values for Li, C, N and O
table2.dat 83 31 [X/H] values for Al, Ca, Mg, Na and S
table3.dat 61 31 [X/H] values for Sc, Si and Ti
table4.dat 61 31 [X/H] values for Cr, Cu and Mn
table5.dat 61 31 [X/H] values for Ni, Zn and Eu
table8.dat 183 78 Combined abundance values for stars with planets
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Byte-by-byte Description of file: table1.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Star HD number
8- 12 F5.2 [Sun] [Li/H] Li abundance
14- 17 F4.2 [Sun] e_[Li/H] rms uncertainty on [Li/H]
19- 23 F5.2 [Sun] [C/H]EWs C abundance from EWs
25- 28 F4.2 [Sun] e_[C/H]EWs rms uncertainty on [C/H]EWs
30- 34 F5.2 [Sun] [C/H]syn C abundance from spectrum synthesis
36- 39 F4.2 [Sun] e_[C/H]syn rms uncertainty on [C/H]syn
41- 45 F5.2 [Sun] [C/H]avg Average C abundance
47- 50 F4.2 [Sun] e_[C/H]avg rms uncertainty on [C/H]avg
52- 56 F5.2 [Sun] [N/H] ?=- N abundance
58- 61 F4.2 [Sun] e_[N/H] ?=- rms uncertainty on [N/H]
63- 67 F5.2 [Sun] [O/H]tri O abundance from the OI triplet
69- 72 F4.2 [Sun] e_[O/H]tri rms uncertainty on [O/H]tri
74- 78 F5.2 [Sun] [O/H]cor O abundance with NLTE effects correction
80- 83 F4.2 [Sun] e_[O/H]cor rms uncertainty on [O/H]cor
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Byte-by-byte Description of file: table2.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Star HD number
8- 12 F5.2 [Sun] [Al/H]EWs Al abundance from EWs
14- 17 F4.2 [Sun] e_[Al/H]EWs rms uncertainty on [Al/H]EWs
19- 23 F5.2 [Sun] [Al/H]syn Al abundance from spectrum synthesis
25- 28 F4.2 [Sun] e_[Al/H]syn rms uncertainty on [Al/H]syn
30- 34 F5.2 [Sun] [Al/H]avg Average Al abundance
36- 39 F4.2 [Sun] e_[Al/H]avg rms uncertainty on Al/H]avg
41- 45 F5.2 [Sun] [Ca/H] Average Ca abundance
47- 50 F4.2 [Sun] e_[Ca/H] rms uncertainty on [Ca/H]
52- 56 F5.2 [Sun] [Mg/H] ?=- Mg abundance
58- 61 F4.2 [Sun] e_[Mg/H] ?=- rms uncertainty on [Mg/H]
63- 67 F5.2 [Sun] [Na/H] Na abundance
69- 72 F4.2 [Sun] e_[Na/H] rms uncertainty on [Na/H]
74- 78 F5.2 [Sun] [S/H] S abundance
80- 83 F4.2 [Sun] e_[S/H] rms uncertainty on [S/H]
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Byte-by-byte Description of file: table3.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Star HD number
8- 12 F5.2 [Sun] [Sc/H] Sc abundance
14- 17 F4.2 [Sun] e_[Sc/H] rms uncertainty on [Sc/H]
19- 23 F5.2 [Sun] [Si/H] Si abundance
25- 28 F4.2 [Sun] e_[Si/H] rms uncertainty on [Si/H]
30- 34 F5.2 [Sun] [TiI/H] TiI abundance
36- 39 F4.2 [Sun] e_[TiI/H] rms uncertainty on [TiI/H
41- 45 F5.2 [Sun] [TiII/H] ?=- TiII abundance
47- 50 F4.2 [Sun] e_[TiII/H] ?=- rms uncertainty on [TiII/H]
52- 56 F5.2 [Sun] [Ti/H]avg Average Ti abundance
58- 61 F4.2 [Sun] e_[Ti/H]avg rms uncertainty on [Ti/H]avg
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Byte-by-byte Description of file: table4.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Star HD number
8- 12 F5.2 [Sun] [Cr/H]EWs ?=- Sc abundance
14- 17 F4.2 [Sun] e_[Cr/H]EWs ?=- rms uncertainty on [Cr/H]EWs
19- 23 F5.2 [Sun] [Cr/H]syn ?=- Cr abundance from spectrum synthesis
25- 28 F4.2 [Sun] e_[Cr/H]syn ?=- rms uncertainty on [Cr/H]
30- 34 F5.2 [Sun] [Cr/H]avg ?=- Average Cr abundance
36- 39 F4.2 [Sun] e_[Cr/H]avg ?=- rms uncertainty on [Cr/H]avg
41- 45 F5.2 [Sun] [Cu/H] ?=- Cu abundance
47- 50 F4.2 [Sun] e_[Cu/H] ?=- rms uncertainty on [Cu/H]
52- 56 F5.2 [Sun] [Mn/H] Mn abundance
58- 61 F4.2 [Sun] e_[Mn/H] rms uncertainty on [Mn/H]
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Byte-by-byte Description of file: table5.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Star HD number
8- 12 F5.2 [Sun] [Ni/H]EWs Ni abundance from EWs
14- 17 F4.2 [Sun] e_[Ni/H]EWs rms uncertainty on [Ni/H]EWs
19- 23 F5.2 [Sun] [Ni/H]syn Ni abundance from from spectrum synthesis
25- 28 F4.2 [Sun] e_[Ni/H]syn rms uncertainty on [Ni/H]
30- 34 F5.2 [Sun] [Ni/H]avg Average Ni abundance
36- 39 F4.2 [Sun] e_[Ni/H]avg rms uncertainty on [Ni/H]avg
41- 45 F5.2 [Sun] [Zn/H] ?=- Zn abundances
47- 50 F4.2 [Sun] e_[Zn/H] ?=- rms uncertainty on [Zn/H]
52- 56 F5.2 [Sun] [Eu/H] ?=- Eu abundance
58- 61 F4.2 [Sun] e_[Eu/H] ?=- rms uncertainty on [Eu/H]
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Byte-by-byte Description of file: table8.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD Star HD number
8- 13 F6.3 [Sun] [Fe/H] Fe abundance
15- 20 F6.3 [Sun] [C/H] ?=- C abundance
22- 27 F6.3 [Sun] [O/H] ?=- O abundance
29- 34 F6.3 [Sun] [Na/H] ?=- Na abundance
36- 41 F6.3 [Sun] [Al/H] ?=- Al abundance
43- 48 F6.3 [Sun] [IC/H] ?=- IC abundance
50- 55 F6.3 [Sun] [Si/H] Si abundance
57- 62 F6.3 [Sun] [Ca/H] Ca abundance
64- 69 F6.3 [Sun] [Sc/H] ?=- Sc abundance
71- 76 F6.3 [Sun] [Ti/H] Ti abundance
78- 83 F6.3 [Sun] [Ni/H] ?=- Ni abundance
85- 89 F5.3 [Sun] e_[Fe/H] ?=- rms uncertainty on [Fe/H]
90 A1 --- --- [,]
92 I1 --- o_[Fe/H] Number of measurements for [Fe/H]
94- 99 F6.4 [Sun] e_[C/H] ?=- rms uncertainty on [C/H]
100 A1 --- --- [,]
102 I1 --- o_[C/H] ? Number of measurements for [C/H]
104-108 F5.3 [Sun] e_[O/H] ?=- rms uncertainty on [O/H]
109 A1 --- --- [,]
111 I1 --- o_[O/H] ? Number of measurements for [O/H]
113-117 F5.3 [Sun] e_[Na/H] ?=- rms uncertainty on [Na/H]
118 A1 --- --- [,]
120 I1 --- o_[Na/H] ? Number of measurements for [Na/H]
122-126 F5.3 [Sun] e_[Al/H] ?=- rms uncertainty on [Al/H]
127 A1 --- --- [,]
129 I1 --- o_[Al/H] ? Number of measurements for [Al/H]
131-135 F5.3 [Sun] e_[IC/H] ?=- rms uncertainty on [IC/H]
136 A1 --- --- [,]
138 I1 --- o_[IC/H] ? Number of measurements for [IC/H]
140-144 F5.3 [Sun] e_[Si/H] ?=- rms uncertainty on [Si/H]
145 A1 --- --- [,]
147 I1 --- o_[Si/H] ? Number of measurements for [Si/H]
149-153 F5.3 [Sun] e_[Ca/H] ?=- rms uncertainty on [Ca/H]
154 A1 --- --- [,]
156 I1 --- o_[Ca/H] ? Number of measurements for [Ca/H]
158-162 F5.3 [Sun] e_[Sc/H] ?=- rms uncertainty on [Sc/H]
163 A1 --- --- [,]
165 I1 --- o_[Sc/H] ? Number of measurements for [Sc/H]
167-171 F5.3 [Sun] e_[Ti/H] ?=- rms uncertainty on [Ti/H]
172 A1 --- --- [,]
174 I1 --- o_[Ti/H] ? Number of measurements for [Ti/H]
176-180 F5.3 [Sun] e_[Ni/H] ?=- rms uncertainty on [Ni/H]
181 A1 --- --- [,]
183 I1 --- o_[Ni/H] ? Number of measurements for [Ni/H]
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History:
From electronic version of the journal
References:
Gonzalez, Paper I 1998A&A...334..221G 1998A&A...334..221G
Garcia Lopez & Perez de Taoro, Paper II 1998A&A...334..599G 1998A&A...334..599G
Gonzalez & Vanture, Paper III 1998A&A...339L..29G 1998A&A...339L..29G
Gonzalez et al., Paper IV 1999ApJ...511L.111G 1999ApJ...511L.111G
Gonzalez & Laws, Paper V 2000AJ....119..390G 2000AJ....119..390G
Gonzalez et al., Paper VI 2001AJ....121..432G 2001AJ....121..432G
Laws et al., Paper VII 2003AJ....125.2664L 2003AJ....125.2664L
(End) Patricia Vannier [CDS] 26-Oct-2007