Sample 4 - 632.8nm Measured scattering matrix elements as functions of scattering angle theta (in degrees), corresponding to curves for Sample 4 presented in Volten et al. A&A, 470, 377-386, 2007 at 632.8 nm. The experimental errors are also given except for F22/F11. F11 is normalized to 1 at a scattering angle of 30 degrees. DATA ARE FREELY AVAILABLE UNDER THE REQUEST OF CITATION OF: Volten et al. A&A, 470, 377-386, 2007, AND Munoz et al. JQSRT, 113, 565-574, 2012. angle F11 errorF11 -F12/F11 error-F12/F11 F22/F11 5 40.925 4.197 -0.006 0.001 0.997 6 33.945 1.977 -0.005 0.003 0.997 7 28.001 2.580 -0.002 0.005 0.962 8 22.101 1.999 -0.002 0.003 1.002 9 16.559 2.060 0.001 0.004 1.002 10 12.937 1.696 0.005 0.001 1.003 15 5.116 0.252 0.016 0.001 1.002 20 2.465 0.213 0.044 0.003 0.957 25 1.485 0.051 0.071 0.003 0.952 30 1.000 0.000 0.106 0.004 0.949 35 0.715 0.013 0.149 0.005 0.949 40 0.535 0.023 0.204 0.006 0.951 45 0.416 0.023 0.261 0.004 0.944 50 0.329 0.025 0.327 0.002 0.942 55 0.268 0.022 0.394 0.008 0.942 60 0.216 0.020 0.473 0.008 0.931 65 0.182 0.017 0.543 0.004 0.927 70 0.154 0.013 0.609 0.028 0.907 75 0.130 0.015 0.691 0.017 0.894 80 0.117 0.013 0.722 0.025 0.874 85 0.100 0.014 0.778 0.039 0.882 90 0.091 0.011 0.792 0.023 0.869 95 0.085 0.007 0.774 0.020 0.848 100 0.080 0.008 0.746 0.020 0.835 105 0.074 0.010 0.731 0.027 0.839 110 0.073 0.009 0.663 0.021 0.835 115 0.074 0.011 0.583 0.037 0.838 120 0.072 0.010 0.520 0.023 0.828 125 0.072 0.010 0.441 0.021 0.829 130 0.075 0.012 0.362 0.018 0.824 135 0.075 0.012 0.289 0.020 0.831 140 0.076 0.012 0.228 0.010 0.843 145 0.078 0.011 0.169 0.008 0.855 150 0.081 0.012 0.115 0.010 0.862 155 0.084 0.011 0.070 0.010 0.865 160 0.086 0.010 0.037 0.001 0.855 165 0.087 0.013 0.008 0.003 0.870 170 0.090 0.009 -0.012 0.003 0.858 171 0.088 0.010 -0.014 0.003 0.863 172 0.088 0.011 -0.016 0.001 0.861 173 0.090 0.010 -0.015 0.003 0.865 174 0.095 0.013 -0.019 0.005 0.861

factsheet quartz

Facts and Figures

 

 

 

 

 

 

 

name of sample

sample 7

 

 

 

 

description

white alumina

 

 

 

 

origin

produced in the Condensation Flow Apparatus for experiments intended

 

 

to mimic the formation of circumstellar dust at the NASA Goddard Space Flight Center

 

 

 

main constituents

AlO

 

 

 

particle size

modal grain sizes: 50 nm

 

 

aggregate/cluster sizes: micron-sized

 

 

 

fluffiness

extremely high

 

 

 

 

refractive index

real part 1.7

 

 

 

color 

white

 

 

 

scattering matrix elements

F11 (asterisks) and -F12/F11 (asterisks)

 

wavelength

632.8 nm

 

angle range

from 5-174 degrees scattering angle

 

 

 

 

 

 

article

Experimental light scattering  by fluffy aggregates of magnesiosilica, ferrosilica, and alumina cosmic dust analogs .

 

 

Volten H, Mu�oz O, Hovenier JW, Rietmeijer FJM, Nuth JA, Waters LBFM, and Van der Zande WJ,

 

Astronomy and Astrophysics, 470, 377-386, 2007