Enhanced activity of the Southern Taurids in 2005 and 2015

Olech, A.; Żołądek, P.; Wiśniewski, M.; Tymiński, Z.; Stolarz, M.; Bęben, M.; Dorosz, D.; Fajfer, T.; Fietkiewicz, K.; Gawroński, M.; Gozdalski, M.; Kaluzny, M.; Krasnowski, M.; Krygiel, H.; Krzyżanowski, T.; Kwinta, M.; Łojek, T.; Maciejewski, M.; Miernicki, Slawomir; Myszkiewicz, M.; Nowak, P.; Polak, K.; Polakowski, K.; LASKOWSKI, Jakub; Szlagor, M.; Tissler, G.; Suchodolski, Tomasz; Węgrzyk, W.; Woźniak, P. R.; Zaręba, P.

doi:10.1093/mnras/stx716

Cited by 11 publications

(10 citation statements)

References 12 publications

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“…This is arguably the strongest evidence yet published for the real existence of the branch and swarm as the semi-major axis is very sensitive to measurement errors in meteor velocity. Olech et al (2017) also noticed a possible connection to the 7:2 resonance, but their results were not as conclusive due to the lower measurement accuracy. Data for the outburst have only been published for fireball-sized meteoroids and we focus on simulating these for comparison to measurements published in Spurnỳ et al (2017).…”

Section: The 2015 Taurid Outburst -High-precision All-sky Observationsmentioning

confidence: 95%

Estimating trajectories of meteors: an observational Monte Carlo approach – II. Results

Vida

Brown

Campbell-Brown

et al. 2019

Monthly Notices of the Royal Astronomical Society

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In the first paper of this series we examined existing methods of optical meteor trajectory estimation and developed a novel method which simultaneously uses both the geometry and the dynamics of meteors to constrain their trajectories. We also developed a simulator which uses an ablation model to generate realistic synthetic meteor trajectories which we use to test meteor trajectory solvers. In this second paper, we perform simulation validation to estimate radiant and velocity accuracy which may be achieved by various meteor observation systems as applied to several meteor showers.For low-resolution all-sky systems, where the meteor deceleration is generally not measurable, the multi-parameter fit method assuming a constant velocity better reproduces the radiant and speed of synthetic meteors. For moderate field of view systems, our novel method performs the best at all convergence angles, while multi-parameter fit methods generally produce larger speed errors. For high-resolution, narrow field of view systems, we find our new method of trajectory estimation reproduces radiant and speed more accurately than all other methods tested. The ablation properties of meteoroids are commonly found to be the limiting factor in velocity accuracy.We show that the true radiant dispersion of meteor showers can be reliably measured with moderate field of view (or more precise) systems provided appropriate methods of meteor trajectory estimation are employed. Finally, we compare estimated and real angular radiant uncertainty and show that for the solvers tested the real radiant error is on average underestimated by a factor of two.

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Section: The 2015 Taurid Outburst -High-precision All-sky Observationsmentioning

confidence: 95%

Estimating trajectories of meteors: an observational Monte Carlo approach – II. Results

Vida

Brown

Campbell-Brown

et al. 2019

Monthly Notices of the Royal Astronomical Society

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“…2004 TG 10 -Northern Taurids. As a member of the Taurid Complex, the Northern Taurids is typically being associated to comet 2P/Encke, though more than 10 asteroids have been proposed to be members of this complex, including 2004TG 10 (Porubčan et al, 2006Babadzhanov et al, 2008;Olech et al, 2017;Spurný et al, 2017). (The Daytime β Taurid meteor shower in Table 2 is also a member of the Taurid Complex.)…”

Section: High Confidence Parent-shower Linkagesmentioning

confidence: 99%

Meteor showers from active asteroids and dormant comets in near-Earth space: A review

2018

Planetary and Space Science

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Small bodies in the solar system are conventionally classified into asteroids and comets. However, it is recently found that a small number of objects can exhibit properties of both asteroids and comets. Some are more consistent with asteroids despite episodic ejections and are labeled as "active asteroids", while some might be aging comets with depleting volatiles. Ejecta produced by active asteroids and/or dormant comets are potentially detectable as meteor showers at the Earth if they are in Earth-crossing orbits, allowing us to retrieve information about the historic activities of these objects. Meteor showers from small bodies with low and/or intermittent activities are usually weak, making shower confirmation and parent association challenging. We show that statistical tests are useful for identifying likely parent-shower pairs. Comprehensive analyses of physical and dynamical properties of meteor showers can lead to deepen understanding on the history of their parents. Meteor outbursts can trace to recent episodic ejections from the parents, and "orphan" showers may point to historic disintegration events. The flourish of NEO and meteor surveys during the past decade has produced a number of high-confidence parent-shower associations, most have not been studied in detail. More work is needed to understand the formation and evolution of these parent-shower pairs.

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“…Interestingly, several asteroids having very similar orbits (Olech et al 2016(Olech et al , 2017) and a number of meter-sized fireballs were also recorded during the expected time of the TS encounter (Spurný et al 2017;Olech et al 2016). This is among the strongest quantitative dynamical evidence to date for the TS.…”

Section: Introductionmentioning

confidence: 71%

The 2019 Taurid resonant swarm: prospects for ground detection of small NEOs

Clark

Wiegert

Brown

2019

Monthly Notices of the Royal Astronomical Society: Letters

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In June 2019 the Earth will approach within 5 • mean anomaly of the centre of the Taurid resonant swarm, its closest post-perihelion encounter with Earth since 1975. This will be the best viewing geometry to detect and place limits on the number of NEOs proposed to reside at the swarm centre until the early 2030s. We present an analysis of the optimal times and pointing locations to image NEOs associated with the swarm.

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Enhanced activity of the Southern Taurids in 2005 and 2015

Cited by 11 publications

References 12 publications

Estimating trajectories of meteors: an observational Monte Carlo approach – II. Results

Estimating trajectories of meteors: an observational Monte Carlo approach – II. Results

Meteor showers from active asteroids and dormant comets in near-Earth space: A review

The 2019 Taurid resonant swarm: prospects for ground detection of small NEOs

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