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We report high resolution multi-station observations of meteors by the Canadian Automated Meteor Observatory (CAMO) recorded from June 2009 to August 2010. Our survey has a limiting detection magnitude of +5 mag in R-band, equivalent to a…

Earth and Planetary Astrophysics · Physics 2015-05-30 R. Musci , R. J. Weryk , P. Brown , M. D. Campbell-Brown , P. A. Wiegert

We examine meteoroid orbits recorded by the Canadian Meteor Orbit Radar (CMOR) from 2012-2019, consisting of just over 11 million orbits in a search for potential interstellar meteoroids. Our 7.5 year survey consists of an integrated…

Earth and Planetary Astrophysics · Physics 2020-06-29 Mark Froncisz , Peter Brown , Robert J. Weryk

The flashes from meteoroid impacts on the Moon are useful in determining the flux of impactors with masses as low as a few tens of grams. A routine monitoring program at NASA's Marshall Space Flight Center has recorded over 300 impacts…

Earth and Planetary Astrophysics · Physics 2014-04-28 Robert Suggs , Danielle Moser , William Cooke , Ronnie Suggs

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 roughly five decades in mass. Unfortunately, the common…

Earth and Planetary Astrophysics · Physics 2024-05-14 Althea V. Moorhead , Denis Vida , Peter G. Brown , Margaret D. Campbell-Brown

The arrival of solid particles from outside our solar system would present us with an invaluable source of scientific information. Attempts to detect such interstellar particles among the meteors observed in Earth's atmosphere have almost…

Earth and Planetary Astrophysics · Physics 2015-06-19 Paul A. Wiegert

The ESA meteoroid model predicts impacts of meteoroids in the mass range between $10^{-18}$ to $10^0$ g on spacecraft surfaces. It covers heliocentric distances from 0.3 to 20 AU. Measurements of the dust detector on board the highly…

Astrophysics · Physics 2007-05-23 M. Landgraf , R. Jehn , N. Altobelli , V. Dikarev , E. Grün

There is an unceasing incoming flux of extraterrestrial materials reaching the Earth's atmosphere. Some of these objects produce luminous columns when they ablate during the hypersonic encounter with air molecules. A few fireballs occur…

Earth and Planetary Astrophysics · Physics 2024-05-29 E. Peña-Asensio , J. M. Trigo-Rodríguez , A. Rimola

An unexpected intense outburst of the Draconid meteor shower was detected by the Canadian Meteor Orbit Radar (CMOR) on October 8, 2012. The peak flux occurred at ~16:40 UT on October 8 with a maximum of 2.4 +/- 0.3 hr-1 km-2 (appropriate to…

Earth and Planetary Astrophysics · Physics 2015-06-17 Quanzhi Ye , Paul A. Wiegert , Peter G. Brown , Margaret D. Campbell-Brown , Robert J. Weryk

The Global Meteor Network (GMN) utilizes highly sensitive low-cost CMOS video cameras which run open-source meteor detection software on Raspberry Pi computers. Currently, over 450 GMN cameras in 30 countries are deployed. The main goal of…

We have estimated the largest meteoroids present in major meteor showers from observations conducted between 2019-2022 by the Geostationary Lightning Mapper (GLM) instrument on the GOES-R satellites. Our integrated time area products for…

Earth and Planetary Astrophysics · Physics 2024-05-10 Kasia Wisniewski , Peter Brown , Danielle Moser , Randy Longenbaugh

Meteor showers and their outbursts are the dominant source of meteoroid impact risk to spacecraft on short time scales. Meteor shower prediction models depend on historical observations to produce accurate forecasts. However, the current…

Earth and Planetary Astrophysics · Physics 2022-07-06 Denis Vida , Rhiannon C. Blaauw Erskine , Peter G. Brown , Jonathon Kambulow , Margaret Campbell-Brown , Michael J. Mazur

The first interstellar meteor larger than dust was detected by US government sensors in 2014, identified as an interstellar object candidate in 2019, and confirmed by the Department of Defense in 2022. Here, we describe an additional…

Earth and Planetary Astrophysics · Physics 2022-12-28 Amir Siraj , Abraham Loeb

We report results of a four-year survey using Electron Multiplied Charged Coupled Device (EMCCD) cameras recording 34761 two-station video meteor events complete to a limiting magnitude of +6. The survey goal was to characterize probable…

Earth and Planetary Astrophysics · Physics 2021-10-04 Tristan Mills , P. G. Brown , M. J. Mazur , D. Vida , Peter S. Gural , Althea V. Moorhead

Various meteor and fireball networks exist worldwide. Most data sets which include ground-based observational data of meteors are affected by biases. The larger and faster the entering meteoroid, the brighter is the produced meteor. Hence,…

Earth and Planetary Astrophysics · Physics 2020-11-17 Esther Drolshagen , Theresa Ott , Detlef Koschny , Gerhard Drolshagen , Anna Kristiane Schmidt , Björn Poppe

The in-situ detection of interstellar dust grains in the Solar System by the dust instruments on-board the Ulysses and Galileo spacecraft as well as the recent measurements of hyperbolic radar meteors give information on the properties of…

Astrophysics · Physics 2015-06-24 M. Landgraf , W. J. Baggaley , E. Grün , H. Krüger , G. Linkert

Context. Three kilometer-sized interstellar objects (ISOs) have been detected transiting the Solar System, and spacecraft have directly measured micrometer-scale interstellar dust (ISD). Yet no intermediate-size interstellar meteoroids have…

Earth and Planetary Astrophysics · Physics 2025-11-20 Eloy Peña-Asensio , Darryl Z. Seligman

The first interstellar object, `Oumuamua, was discovered in the Solar System by Pan-STARRS in 2017, allowing for a calibration of the impact rate of interstellar meteors of its size $\sim 100\;$m. The discovery of CNEOS 2014-01-08 allowed…

Earth and Planetary Astrophysics · Physics 2022-04-18 Amir Siraj , Abraham Loeb

We present an algorithm developed to measure the fluxes of major meteor showers as observed in NASA's All-Sky Fireball Network cameras. Measurements of fluxes from the All-Sky cameras not only improve the Meteoroid Environment Office's…

Earth and Planetary Astrophysics · Physics 2020-06-03 Steven Ehlert , Rhiannon Blaauw Erskine

We analyze lunar impact flashes recorded by our team during runs in December 2007, 2011, 2013 and 2014. In total, 12 impact flashes with magnitudes ranging between 7.1 and 9.3 in V band were identified. From these, 9 events could be linked…

Earth and Planetary Astrophysics · Physics 2015-11-24 Jose L. Ortiz , Jose M. Madiedo , Nicolas Morales , Pablo Santos-Sanz , Francisco J. Aceituno

Meteoroids impacting the Earth on a daily basis are fragments of asteroids and comets. By studying fireballs produced during their disintegration in the atmosphere, we can gain information about their source regions and the properties of…

Earth and Planetary Astrophysics · Physics 2022-11-30 J. Borovicka , P. Spurny , L. Shrbeny
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