14 citations · 30 across the 16 of their papers we have counts for
18 papers · 1 filter
Systematic non-compliance of satellite megaconstellations with IAU brightness limits
Jack Rayworth, Denis Vida, Pauline Barmby +7
Satellite megaconstellations in low Earth orbit interfere with ground-based optical astronomy, but the scale of that interference has been hard to measure. Here we report an uncued…
From Earth Meteors to Mars: Predicting Where to See the First Martian Meteors
Maximilian Vovk, Peter G. Brown, Denis Vida
Predictions of optical meteors at Mars have largely relied on classical single-body ablation models, despite high-resolution terrestrial observations showing that mm-sized meteoroi…
Shock wave formation in the thermosphere by an earthgrazing fireball: Empirical evidence for volatile-enhanced hydrodynamic shielding
Elizabeth A. Silber, Denis Vida, Miro Ronac Giannone +7
Hydrodynamic shielding is a theoretically well-established but observationally elusive and experimentally difficult-to-replicate phenomenon with implications that extend far beyond…
A Search for Hydroacoustic Signals from Bolides
P. Brown, L. McFadden, D. McCormack +2
Here we present a survey aimed at detecting hydroacoustic signals from fireballs using the six hydrophone stations operated as part of the Comprehensive Test Ban Treaty Organisatio…
Meteor statistics I: The distribution of instrumental magnitudes
Althea V. Moorhead, Peter G. Brown, Margaret D. Campbell-Brown +2
The distribution of meteor magnitudes is known to follow an exponential distribution, where the base of this distribution is called the population index. The distribution of observ…
Inferring Meteoroid Properties with Dynamic Nested Sampling: A Case Study of Orionid and Capricornid Shower Meteors
Maximilian Vovk, Peter G. Brown, Denis Vida +2
Accurate estimation of meteoroid bulk density is crucial for assessing spacecraft impact hazards from sub-millimeter to millimeter-sized meteoroids. Previous studies often used man…
Catastrophic disruption of asteroid 2023 CX1 and implications for planetary defense
Auriane Egal, Denis Vida, François Colas +94
Mitigation of the threat from airbursting asteroids requires an understanding of the potential risk they pose for the ground. How asteroids release their kinetic energy in the atmo…
A Statistical Approach to Quantifying Uncertainty in Meteoroid Physical Properties
Maximilian Vovk, Denis Vida, Peter G. Brown
Meteoroid bulk density is a critical value required for assessing impact risks to spacecraft, informing shielding and mission design. Direct bulk density measurements for sub-milli…
A limit on the mass of the Taurid Resonant Swarm at sub-100 meter sizes
Paul Wiegert, Denis Vida, David L. Clark +3
We report on a pencil-beam survey of the Taurid Swarm, a possible concentration of bodies in the Taurid meteoroid stream associated with the 7:2 mean-motion resonance with Jupiter.…
An Upper Limit on the Interstellar Meteoroid Flux at Video Sizes from the Global Meteor Network
Paul Wiegert, Vanessa Tran, Cole Gregg +2
Material arriving at our solar system from the Galaxy may be detected at Earth in the form of meteors ablating in our atmosphere. Here we report on a search for interstellar meteor…
In Search of the Potentially Hazardous Asteroids in the Taurid Resonant Swarm
Jasmine Li, Quanzhi Ye, Denis Vida +8
The Taurid Complex is a large interplanetary system that contains comet 2P/Encke, several meteoroid streams, and possibly a number of near-Earth asteroids. The size and nature of t…
CAMO-S: A meteor-tracking spectrograph at the Canadian Automated Meteor Observatory
Michael Mazur, Margaret Campbell-Brown, Peter Brown +3
The Canadian Automated Meteor Observatory (CAMO) mirror tracking system has been in operation since 2009 and has, to date, produced more than 20,000 two-station meteor observations…
A Comparison of Fireball Luminous Efficiency Models using Acoustic Records
Luke McFadden, Peter Brown, Denis Vida
The total energy of a fireball is commonly obtained from optical measurements with an assumed value for luminous efficiency. Acoustic energy measurements offer an independent means…
Not So Fast: A New Catalog of Meteor Persistent Trains
L. E. Cordonnier, K. S. Obenberger, J. M. Holmes +2
This paper presents the results of a nearly two year long campaign to detect and analyze meteor persistent trains (PTs) - self-emitting phenomena which can linger up to an hour aft…
A reference meteor magnitude for intercomparable fluxes
Althea V. Moorhead, Denis Vida, Peter G. Brown +1
The rate at which meteors pass through Earth's atmosphere has been measured or estimated many times over; existing flux measurements span at least 12 astronomical magnitudes, or ro…
Quantifying the Bulk Density of Southern Delta Aquariid Meteoroids: Insights from the Canadian Automated Meteor Observatory
Arazi Pinhas, Zbyszek Krzeminski, Denis Vida +1
Physical properties of ten millimeter-sized meteoroids from the Southern Delta Aquariids (SDA) shower are derived using optical observations from the Canadian Automated Meteor Obse…
A Physical Survey of Meteoroid Streams: Comparing Cometary Reservoirs
Nicolas Buccongello, Peter G. Brown, Denis Vida +1
In this work, we present an optical survey of mm-sized meteoroids using the Canadian Automated Meteor Observatory's (CAMO) mirror tracking system. The system tracks meteors to magn…
First holistic modelling of meteoroid ablation and fragmentation: A case study of the Orionids recorded by the Canadian Automated Meteor Observatory
Denis Vida, Peter G. Brown, Margaret Campbell-Brown +1
18 mm-sized Orionid meteoroids were captured in 2019 and 2020 by the Canadian Automated Observatory's mirror tracking system. Meteor position measurements were made to an accuracy…