Influence of Water Ice Sublimation Flux on the Change of Cometary Brightness during the Outburs

• Autorzy: Wesołowski M.

Identyfikatory

DOI

10.32023/0001-5237/73.3.4

• Języki publikacji: EN

Abstrakty

EN

The paper presents a new approach to determining the amplitude of the change of cometary brightness during its outburst. The proposed method is based on two pillars. The first pillar is the analysis of the influence of the sublimation flux of water ice originating from porous agglomerates on the amplitude of the change of cometary brightness. The second pillar is the analysis of the efficiency of scattering of incident sunlight that occurs on porous agglomerates consisting of water ice, organic matter and dust. The presented considerations use two equations describing the sublimation flux. In the first case, it was assumed that the agglomerates were covered with a thin layer of porous dust, while in the second case, the agglomerates were exposed. Based on numerous numerical tests, the presence of even a thin layer of dust has been found to reduce the sublimation flux, which translates into differences in the change in the brightness of the comet.

Słowa kluczowe

EN

comets: general; comets individual: 332P/Ikeya-Murakami

• Wydawca: Copernicus Foundation for Polish Astronomy
• Czasopismo: Acta Astronomica
• Rocznik: 2023
• Tom: Vol. 73, No. 3
• Strony: 243--258
• Opis fizyczny: bibliogr. 51 poz., tab., wykr.

Twórcy

autor

Wesołowski M.

• University of Rzeszów, College of Natural Sciences, Institute of Physics, Pigonia 1 Street, 35-310 Rzeszów, Poland

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