Szablon:Stevenson (2026 arXiv) - Historia wersji

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2026-08-31T20:20:47Z

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-	Stevenson Thomas W.C., Sansom Ellie K., Devillepoix Hadrien A.R., Gritsevich Maria, Zappatini Anna, Jenniskens Peter, Herd Christopher D.K., Horner Jonti, Moskovitz Nick, Hemmelgarn Samantha, Daly Luke, (2026), '''Dynamic ~~Trajectory Analysis~~ of ~~Meteoroids Showing Minimal Deceleration~~''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18 ({{!abs-ilink\|Szablon:Stevenson (2026 arXiv)}}).<ref>opisano m.in. spadki: Ådalen, [[Benešov (bolid)]], [[Jesenice]], [[Košice]], [[Križevci]], [[Morávka]], Neuschwanstein, [[Stubenberg]], [[Žďár nad Sázavou]]</ref> Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>	+	Stevenson Thomas W.C., Sansom Ellie K., Devillepoix Hadrien A.R., Gritsevich Maria, Zappatini Anna, Jenniskens Peter, Herd Christopher D.K., Horner Jonti, Moskovitz Nick, Hemmelgarn Samantha, Daly Luke, (2026), '''Dynamic trajectory analysis of meteoroids showing minimal deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18 ({{!abs-ilink\|Szablon:Stevenson (2026 arXiv)}}).<ref>opisano m.in. spadki: Ådalen, [[Benešov (bolid)]], [[Jesenice]], [[Košice]], [[Križevci]], [[Morávka]], Neuschwanstein, [[Stubenberg]], [[Žďár nad Sázavou]]</ref> Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>


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	'''Abstract:''' Meteoroids decelerate and ablate as they descend through Earth’s atmosphere, however a portion of instrumentally observed meteors show little measurable deceleration and remain poorly characterised. These are referred to as ‘minimally decelerating objects’ (MDOs). The traditional α-β method of dynamic trajectory analysis cannot reliably determine their preatmospheric masses or rates of ablation. We present a new approach for estimating the ballistic coefficients (α) and mass loss parameters (β) of MDOs, allowing their inclusion in dynamic analyses. This new method employs bulk ablation coefficients (σb) derived from instrumentally observed meteorite falls and large meteor shower bodies. It is applied to MDOs comprising approximately one-third of the Global Fireball Observatory (GFO) 2014-2024 dataset. Our results show that MDOs are predominantly small objects occupying a distinct region of α-β space. Material types can be identified using supplementary data such as emission spectra, which we demonstrate using observations of 10 small iron meteoroids. This methodology expands the range of meteoroid populations accessible to dynamic trajectory analysis, providing new constraints on meteorite deposition and the compositional diversity of near-Earth objects.		'''Abstract:''' Meteoroids decelerate and ablate as they descend through Earth’s atmosphere, however a portion of instrumentally observed meteors show little measurable deceleration and remain poorly characterised. These are referred to as ‘minimally decelerating objects’ (MDOs). The traditional α-β method of dynamic trajectory analysis cannot reliably determine their preatmospheric masses or rates of ablation. We present a new approach for estimating the ballistic coefficients (α) and mass loss parameters (β) of MDOs, allowing their inclusion in dynamic analyses. This new method employs bulk ablation coefficients (σb) derived from instrumentally observed meteorite falls and large meteor shower bodies. It is applied to MDOs comprising approximately one-third of the Global Fireball Observatory (GFO) 2014-2024 dataset. Our results show that MDOs are predominantly small objects occupying a distinct region of α-β space. Material types can be identified using supplementary data such as emission spectra, which we demonstrate using observations of 10 small iron meteoroids. This methodology expands the range of meteoroid populations accessible to dynamic trajectory analysis, providing new constraints on meteorite deposition and the compositional diversity of near-Earth objects.

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2026-08-31T19:20:10Z

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-	Stevenson Thomas W.C., Sansom Ellie K., Devillepoix Hadrien A.R., Gritsevich Maria, Zappatini Anna, Jenniskens Peter, Herd Christopher D.K., Horner Jonti, Moskovitz Nick, Hemmelgarn Samantha, Daly Luke, (2026), '''Dynamic Trajectory Analysis of Meteoroids Showing Minimal Deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18 ({{!abs-ilink\|Szablon:Stevenson (2026)}}). Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>	+	Stevenson Thomas W.C., Sansom Ellie K., Devillepoix Hadrien A.R., Gritsevich Maria, Zappatini Anna, Jenniskens Peter, Herd Christopher D.K., Horner Jonti, Moskovitz Nick, Hemmelgarn Samantha, Daly Luke, (2026), '''Dynamic Trajectory Analysis of Meteoroids Showing Minimal Deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18 ({{!abs-ilink\|Szablon:Stevenson (2026 arXiv)}}).<ref>opisano m.in. spadki: Ådalen, [[Benešov (bolid)]], [[Jesenice]], [[Košice]], [[Križevci]], [[Morávka]], Neuschwanstein, [[Stubenberg]], [[Žďár nad Sázavou]]</ref> Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>

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2026-08-31T18:24:08Z

Szablon:Stevenson (2026) przeniesiono do Szablon:Stevenson (2026 arXiv)

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2026-08-31T18:22:00Z

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-	Stevenson Thomas W.C., Sansom Ellie K., Devillepoix Hadrien A.R., Gritsevich Maria, Zappatini Anna, Jenniskens Peter, Herd Christopher D.K., Horner Jonti, Moskovitz Nick, Hemmelgarn Samantha, Daly Luke, (2026), '''Dynamic Trajectory Analysis of Meteoroids Showing Minimal Deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18. Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>	+	Stevenson Thomas W.C., Sansom Ellie K., Devillepoix Hadrien A.R., Gritsevich Maria, Zappatini Anna, Jenniskens Peter, Herd Christopher D.K., Horner Jonti, Moskovitz Nick, Hemmelgarn Samantha, Daly Luke, (2026), '''Dynamic Trajectory Analysis of Meteoroids Showing Minimal Deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18 ({{!abs-ilink\|Szablon:Stevenson (2026)}}). Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>
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		+	'''Abstract:''' Meteoroids decelerate and ablate as they descend through Earth’s atmosphere, however a portion of instrumentally observed meteors show little measurable deceleration and remain poorly characterised. These are referred to as ‘minimally decelerating objects’ (MDOs). The traditional α-β method of dynamic trajectory analysis cannot reliably determine their preatmospheric masses or rates of ablation. We present a new approach for estimating the ballistic coefficients (α) and mass loss parameters (β) of MDOs, allowing their inclusion in dynamic analyses. This new method employs bulk ablation coefficients (σb) derived from instrumentally observed meteorite falls and large meteor shower bodies. It is applied to MDOs comprising approximately one-third of the Global Fireball Observatory (GFO) 2014-2024 dataset. Our results show that MDOs are predominantly small objects occupying a distinct region of α-β space. Material types can be identified using supplementary data such as emission spectra, which we demonstrate using observations of 10 small iron meteoroids. This methodology expands the range of meteoroid populations accessible to dynamic trajectory analysis, providing new constraints on meteorite deposition and the compositional diversity of near-Earth objects.

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2026-08-31T18:17:22Z

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-	Stevenson T.W.C., Sansom E.K., Devillepoix H.A.R., Gritsevich M., Zappatini A., Jenniskens P., Herd C.D.K., Horner J., Moskovitz N., Hemmelgarn S., Daly L., (2026), '''Dynamic Trajectory Analysis of Meteoroids Showing Minimal Deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18. Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>	+	Stevenson Thomas W.C., Sansom Ellie K., Devillepoix Hadrien A.R., Gritsevich Maria, Zappatini Anna, Jenniskens Peter, Herd Christopher D.K., Horner Jonti, Moskovitz Nick, Hemmelgarn Samantha, Daly Luke, (2026), '''Dynamic Trajectory Analysis of Meteoroids Showing Minimal Deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18. Plik {{!doi\|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>

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Stevenson T.W.C., Sansom E.K., Devillepoix H.A.R., Gritsevich M., Zappatini A., Jenniskens P., Herd C.D.K., Horner J., Moskovitz N., Hemmelgarn S., Daly L., (2026), '''Dynamic Trajectory Analysis of Meteoroids Showing Minimal Deceleration''', ''Publications of the Astronomical Society of Australia'', 2026, ss. 18. Plik {{!doi|10.48550/arXiv.2608.11622}}, plik [http://arxiv.org/abs/2608.11622v1 PDF].<noinclude>

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