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Table 2

Logarithms of the mean densities (in cm-3) for Mg II and Fe II, their abundances relative to H, and the mean depletions, averaged in three different cloud regions defined by the angle θd from the apex direction on the cloud minor axis.

In log θd< 60° 60°<θd< 120° θd> 120°

a −6.78 ± 0.21 −6.50 ± 0.16 −6.26 ± 0.50
a −7.07 ± 0.31 −6.80 ± 0.34 −6.53 ± 0.44
a −1.39 ± 0.24 −1.23 ± 0.15 −1.32 ± 0.19

NMg II/ NHIb −5.48 ± 0.18 −5.17 ± 0.38 −4.88 ± 0.42
NFe II/ NHIb −5.71 ± 0.09 −5.44 ± 0.13 −5.14 ± 0.05

[ Mg / H ] bc −1.10 ± 0.18 −0.79 ± 0.38 −0.50 ± 0.42
[ Fe / H ] bc −1.25 ± 0.09 −0.98 ± 0.13 −0.68 ± 0.06

Notes.

(a)

Calculated on all sight lines shorter than 15 pc.

(b)

Calculated on sight lines common to both H I and Mg II Fe II samples.

(c)

Depletion relative to the solar abundances: log(Mg/H) = −4.38 ± 0.02 log(Fe/H) = −4.46 ± 0.03 (Lodders 2003).

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