Silicon monoxide in Supernova 1987A

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Abstract

The 8.1-μm Δv = 1 emission band of silicon monoxide detected in SN1987A is modelled. Near day 500 the SiO mass is 4±2×10-6 M and the excitation temperature is ∼ 1500 K. The mass of SiO is about 10 per cent of the mass of dust inferred from the mid-infrared emission near day 600, while the temperature is close to the condensation temperature of silicate grains. The SiO molecules may have been precursors to dust grain formation.

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APA

Roche, P. F., Aitken, D. K., & Smith, C. H. (1991). Silicon monoxide in Supernova 1987A. Monthly Notices of the Royal Astronomical Society, 252(1), 39P-42P. https://doi.org/10.1093/mnras/252.1.39P

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