Table 9.  Mean Abundance Data

[Fe/H] Ratios

Analysis

<[Fe/H]>

σ

N

Minimum

Maximum

Spectroscopic

-0.017

0.168

298

-0.64

0.31

MARCS75

0.003

0.174

291

-0.64

0.42

Physical

-0.087

0.156

283

-0.63

0.35

 

 

 

 

 

 

 

 

 

 

 

 

Mean Spectroscopic Abundance Ratios and Regression Coefficients

 

 

 

 

[x/H] = Slope * [Fe/H] + Slope

 

 

 

Element

Mean

σ

N

Slope

Error

Intercept

Error

σ

Element

Mean

σ

[Na/H]

0.103

0.199

293

1.108

0.024

0.123

0.004

0.068

[Na/Fe]

0.121

0.070

[Mg/H]

0.087

0.187

250

0.899

0.046

0.096

0.008

0.119

[Mg/Fe]

0.097

0.119

[Al/H]

0.083

0.166

290

0.887

0.024

0.099

0.004

0.070

[Al/Fe]

0.101

0.073

[Si/H]

0.117

0.166

297

0.920

0.021

0.133

0.003

0.059

[Si/Fe]

0.134

0.061

[S/H]

-0.047

0.128

10

0.861

0.351

-0.096

0.038

0.103

[S/Fe]

-0.104

0.098

[Ca/H]

-0.064

0.138

297

0.725

0.022

-0.052

0.004

0.065

[Ca/Fe]

-0.047

0.079

[Sc/H]

-0.112

0.141

297

0.702

0.027

-0.099

0.005

0.078

[Sc/Fe]

-0.094

0.092

[Ti/H]

-0.012

0.144

293

0.820

0.014

0.002

0.002

0.041

[Ti/Fe]

0.005

0.051

[V/H]

-0.066

0.198

287

1.097

0.031

-0.050

0.005

0.085

[V/Fe]

-0.051

0.087

[Cr/H]

0.009

0.190

295

1.062

0.022

0.027

0.004

0.064

[Cr/Fe]

0.026

0.064

[Mn/H]

0.091

0.273

293

1.527

0.032

0.118

0.005

0.092

[Mn/Fe]

0.109

0.128

[Co/H]

0.076

0.198

291

1.041

0.032

0.095

0.005

0.091

[Co/Fe]

0.094

0.091

[Ni/H]

0.001

0.180

294

1.037

0.015

0.020

0.002

0.042

[Ni/Fe]

0.020

0.042

[Cu/H]

0.018

0.216

287

1.015

0.046

0.037

0.008

0.131

[Cu/Fe]

0.037

0.131

[Zn/H]

-0.007

0.192

6

0.465

1.081

-0.004

0.086

0.210

[Zn/Fe]

0.000

0.193

[Sr/H]

-0.106

0.202

279

1.196

0.029

-0.095

0.004

0.075

[Sr/Fe]

-0.097

0.081

[Y/H]

0.026

0.198

294

0.927

0.042

0.042

0.007

0.122

[Y/Fe]

0.044

0.122

[Ba/H]

-0.069

0.218

295

0.618

0.066

-0.059

0.011

0.192

[Ba/Fe]

-0.053

0.202

[Ce/H]

-0.023

0.196

285

0.881

0.045

-0.005

0.008

0.127

[Ce/Fe]

-0.003

0.129

[Pr/H]

-0.116

0.159

286

0.817

0.027

-0.100

0.005

0.078

[Pr/Fe]

-0.096

0.084

[Nd/H]

-0.058

0.191

289

1.019

0.029

-0.039

0.005

0.082

[Nd/Fe]

-0.039

0.082

[Eu/H]

0.051

0.163

253

0.828

0.027

0.075

0.005

0.075

[Eu/Fe]

0.080

0.081

 

Note:    [x/Fe] = (Slope-1)*[Fe/H] + Intercept where x is the element and Slope and Intercept are taken from the linear regression solution for [x/H] versus [Fe/H].  The uncertainties are identical.