Star System HD172555 - Spectral Evidence of Abundant Silica Created by a Massive In-System Collision?

Details Star System HD172555 - Spectral Evidence of Abundant Silica Created by a Massive In-System Collision? Star System HD172555 - Spectral Evidence of Abundant Silica Created by a Massive In-System Collision?

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008lpi....39.2119l&link_type=abstract

39th Lunar and Planetary Science Conference, (Lunar and Planetary Science XXXIX), held March 10-14, 2008 in League City, Texas.

Physics

Scientific paper

The 12 m.y. system HD 172555 has large IR luminosity and an unusual
mid-IR spectrum peaking at 9 µm. The best spectral match is found
for glassy silica. We hypothesize the silica, analogous to terrestrial
shocked quartz grains, was created in a massive hypervelocity impact.

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