Extinct comets and asteroid-meteoroid complexes

Бабаджанов, П. Б.; Кохирова, Г. И.; Obrubov, Yu. V.

doi:10.1134/s0038094615030016

Cited by 16 publications

(13 citation statements)

References 15 publications

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“…3) corresponds to the well-known Quadrantid meteor shower. Although Babadzhanov & Obrubov (1992) assigned the cross-point of the outward-shifting part of the curve to the Quadrantids and the inward shifting part to another shower, the Ursids, we find that this conceptual resolution is impossible in a quantitative study of a real or theoretical Quadrantid stream. For a large number of meteoroids, the interval of the cross-points related to the nodes that shift outward is almost entirely overlapped by the interval of those cross-points that are related to the nodes that shift inward.…”

Section: Modeling the Stream Dynamicsmentioning

confidence: 68%

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Meteor-shower complex of asteroid 2003 EH1 compared with that of comet 96P/Machholz

Neslušan

Hajduková

Jakubík

2013

A&A

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Aims. We studied the structure of the meteoroid particle complexes released from asteroid 196 256 (2003 EH1) to reveal the relationship to the meteor showers observed in Earth's atmosphere that belong to this complex as well. In addition, we studied the relationship between the asteroid and comet 96P/Machholz, which is situated in the same orbital phase space. Methods. For nine perihelion passages of the parent asteroid in the past, we modeled the associated theoretical streams and followed their dynamical evolution until the present. Subsequently, we analyzed the orbital characteristics of the modeled streams, especially of the parts that approach Earth's orbit. Results. We confirm the filamentary structure of the complex, which is qualitatively identical to the complex of 96P. Six wellestablished and two minor filaments approach the orbit of the Earth, producing four well-known meteor showers, daytime Arietids, Southern δ-Aquarids, Quadrantids, and Northern δ-Aquarids. The filaments corresponding to the Arietids and δ-Aquarids S and N constitute the ecliptical component, and those corresponding to the Quadrantids and their southern counterpart constitute the toroidal component of the complex.

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Section: Modeling the Stream Dynamicsmentioning

confidence: 68%

“…Similar to 96P, the nodes of the orbit of 2003 EH1 cross Earth's orbit at eight points during its evolutionary cycle (Babadzhanov & Obrubov 1992;Babadzhanov et al 2008). …”

Section: Modeling the Stream Dynamicsmentioning

confidence: 99%

Meteor-shower complex of asteroid 2003 EH1 compared with that of comet 96P/Machholz

Neslušan

Hajduková

Jakubík

2013

A&A

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“…At present, more than 40 NEAs are claimed to be associated with the Taurid complex, alongside comet 2P/Encke (Asher et al 1993;Porubčan et al 2004Porubčan et al , 2006Babadzhanov et al 2008a;Rudawska et al 2012a,b). Many other associations between asteroids and meteor showers have been identified, examples being Babadzhanov et al (2009Babadzhanov et al ( , 2012Babadzhanov et al ( , 2013Babadzhanov et al ( , 2015, Trigo-Rodrigues et al (2009), Madiedo et al (2013), Micheli et al (2016).…”

Section: Introductionmentioning

confidence: 99%

Investigation into the relationship between comet 96P/Machholz 1 and asteroid 2003 EH1

Бабаджанов

Кохирова

Williams

et al. 2017

A&A

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The evolution of the nominal orbits of comet 96/Machholz 1 and the near-Earth asteroid (196256) 2003 EH1 under the effects of gravitational perturbations from the major planets was investigated over a time interval of 28 000 yr. Several criteria for measuring the differences in orbits were used to determine when the orbits were most similar to each other and this was found to be approximately 9500 ago. This supports the hypothesis that the comet 96P/Machholz 1, the near-Earth asteroid (196256) 2003 EH1, and the Quadrantid meteoroid stream form a complex of related objects.

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“…The two branches were created by planetary perturbations acting over a long timescale of a few thousand years, representing a full cycle (or more) in the precession of the argument of perihelion for the mean orbits of the NTA/STA at their time of maximum (Asher 1991). Particles with slightly different semi-major axis precess differentially and result in multiple points of intersection of the stream at the Earth (Babadzhanov et al 1990). The existence of N and S branches is generally interpreted as a sign of old age (cf.…”

Section: Structurementioning

confidence: 99%

“…L2 A. Egal et al are injected into the stream from comet 2P/Encke, and attempt to reproduce the orbital elements and radiant distribution of the associated meteor showers (e.g., Babadzhanov et al 1990;Asher 1991;Tomko & Neslušan 2019). However the duration and activity levels of the individual showers -which provide important clues to the formation and evolution of the Taurid complex -have not been used in any modelling efforts to date.…”

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confidence: 99%

An observational synthesis of the Taurid meteor complex

Egal,

Brown,

Wiegert

et al. 2022

Preprint

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We provide an overview of the observational properties of the four major Taurid showers, namely the Northern and Southern Taurids (#017 NTA and #002 STA), the 𝛽 Taurids (#173 BTA) and the 𝜁 Perseids (#172 ZPE). Analysing more than two decades of meteor observations from visual, optical and radar measurements we present the Taurids average activity, annual variations in strength, radiant drift and orbital variations as a function of solar longitude and particle size. The Taurid showers are detected over several weeks in the spring and autumn, but their annual activity level is generally low (less than 15 visual meteors per hour). We find the STA to be predominant in autumn, while its twin the ZPE dominates over the BTA in spring. Due to their long duration, the position of each shower's radiant and orbital elements are variable with time. Optical measurements have previously recorded enhanced STA activity and increased fireball rates caused by the return of a swarm of meteoroids trapped in the 7:2 mean motion resonance with Jupiter. However, we find no presence of the swarm in radar data, suggesting that small meteoroids are removed from the resonance faster than fireballproducing meteoroids. We also find the STA to be enriched in smaller particles early in their activity period. The differences we identify in our analysis between the showers at different particle sizes provide strong observational constraints to future dynamical modelling of the Taurid Meteoroid Complex.

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Extinct comets and asteroid-meteoroid complexes

Cited by 16 publications

References 15 publications

Meteor-shower complex of asteroid 2003 EH1 compared with that of comet 96P/Machholz

Meteor-shower complex of asteroid 2003 EH1 compared with that of comet 96P/Machholz

Investigation into the relationship between comet 96P/Machholz 1 and asteroid 2003 EH1

An observational synthesis of the Taurid meteor complex

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