Model analysis of the dust tail of comet Hale-Bopp
| Autor: | S. V. Kharchuk, Pavlo Korsun, H. Mikuz |
|---|---|
| Rok vydání: | 2009 |
| Předmět: |
Physics
Brightness Comet tail media_common.quotation_subject Comet Astronomy and Astrophysics Astrophysics::Cosmology and Extragalactic Astrophysics Astrophysics Comet Hale–Bopp Dynamic simulation Classical mechanics Space and Planetary Science Sky Astrophysics::Solar and Stellar Astrophysics Outflow Astrophysics::Earth and Planetary Astrophysics Astrophysics::Galaxy Astrophysics Monte Carlo algorithm media_common |
| Zdroj: | Kinematics and Physics of Celestial Bodies. 25:189-193 |
| ISSN: | 1934-8401 0884-5913 |
| DOI: | 10.3103/s0884591309040035 |
| Popis: | The paper presents the results of dynamic simulation for the dust tail formation of comet C/1995 O1 (Hale-Bopp). To simulate the dust tail, the trajectories of 2 × 106 dust particles were traced. The sizes, ejection moments, outflow directions and velocities of the dust particles were defined by the Monte Carlo algorithm. The obtained three-dimensional tail was projected on the sky plane to compare it with the observed images. The brightness distribution in the comet tail was fitted to similar model parameters for three different dates. According to our model experiments, the observed tails could be formed by particles with sizes from 0.3 to 8.0 μm, ejection velocities from 0.155 to 0.670 km/s, and power index of the exponential size distribution from −3.6 to −3.7. It is shown that the inclusion of the particles fragmentation processes leads to a noticeable improvement of the simulation results. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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