sshade:databases:stopcoda:samples

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sshade:databases:stopcoda:samples [2018/01/12 11:46] – Karine Demyksshade:databases:stopcoda:samples [2018/01/12 14:45] (current) – Karine Demyk
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 +===== STOPCODA Samples and Spectra =====
 + 
 + **__Data currently ingested in the GhoSST database :__**
 +
 +
 +MIR-FIR transmission spectra (5 - 1000 µm) of amorphous silicate dust grains measured at 300 K, 200K, 100K, 30K, 10K. 
 +
 +**//More information may be found on the [[http://www.irap.omp.eu/en/observations/explabo/nanograins/espoirs|ESPOIR]]  website.//**
 +
 +The samples are submicronic grains dispersed in KBr (MIR) and PE (FIR) and pressed to form pellets.
 +
 +The delivered data are mass absorption coefficients (MAC, cm2/g). 
 +
 +Solgel samples: [[https://www.aanda.org/articles/aa/pdf/2017/10/aa30944-17.pdf|Demyk et al., 2017, A&A 606, A50]]
 +
 +  * Mg0.9Fe0.1SiO3
 +  * Mg0.8Fe0.2SiO3
 +  * Mg0.7Fe0.3SiO3
 +  * Mg0.6Fe0.4SiO3
 +  * Mg0.9Fe0.1SiO3, annealed 2 hours at 500ºC
 +  * Mg0.8Fe0.2SiO3, annealed 2 hours at 500ºC
 +  * Mg0.7Fe0.3SiO3, annealed 2 hours at 500ºC
 +  * Mg0.6Fe0.4SiO3, annealed 2 hours at 500ºC
 +
 +Glassy samples: [[https://www.aanda.org/articles/aa/pdf/2017/04/aa29711-16.pdf|Demyk et al., 2017, A&A 600, A123]]
 +  * (1-0.35)MgO – (0.35)SiO2, close to Mg2SiO4
 +  * (1-0.40)MgO – (0.40)SiO2, close to Mg1.5SiO3.5 or MgSiO3:Mg2SiO4 = 50:50
 +  * (1-0.50)MgO – (0.50)SiO2, close to MgSiO3
 +
 +