Meteor shower ≈ Meteor shower
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Catalogue of representative meteor spectra Open
Aims. We present a library of low-resolution meteor spectra that includes sporadic meteors, members of minor meteor showers, and major meteor showers. These meteors are in the magnitude range from +2 to −3, corresponding to meteoroid sizes…
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MAVEN IUVS observations of the aftermath of the Comet Siding Spring meteor shower on Mars Open
We report the detection of intense emission from magnesium and iron in Mars' atmosphere caused by a meteor shower following Comet Siding Spring's close encounter with Mars. The observations were made with the Imaging Ultraviolet Spectrogra…
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Properties of small meteoroids studied by meteor video observations Open
Aims. The complex study of millimetre-sized meteoroids can reveal more about the structure and origin of population of these meteoroids. Methods. Double-station video observations, paired with spectroscopic video observations, were used to…
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Analysis of Moon impact flashes detected during the 2012 and 2013 Perseids Open
We present the results of our Moon impact flash detection campaigns performed around the maximum activity period of the Perseid meteor shower in 2012 and 2013. Just one flash produced by a Perseid meteoroid was detected in 2012 because of …
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The phase-polarization curve of asteroid (3200) Phaethon† Open
A multi-colour phase-polarization curve of asteroid (3200)~Phaethon has been\nobtained during the December 2017 apparition by merging measurements taken at\nthe observing station of Calern (France) and at the Rhozen observatory\n(Bulgaria)…
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Spectral and orbital survey of medium-sized meteoroids Open
Aims. We investigate the spectra, material properties, and orbital distribution of millimeter- to decimeter-sized meteoroids. Our study aims to distinguish the characteristics of populations of differently sized meteoroids and reveal the h…
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Near-infrared observations of active asteroid (3200) Phaethon reveal no evidence for hydration Open
Asteroid (3200) Phaethon is an active near-Earth asteroid and the parent body of the Geminid Meteor Shower. Because of its small perihelion distance, Phaethon’s surface reaches temperatures sufficient to destabilize hydrated materials. We …
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Association between meteor showers and asteroids using multivariate criteria Open
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Performance of<i>D</i>-criteria in isolating meteor showers from the sporadic background in an optical data set Open
Separating meteor showers from the sporadic meteor background is critical for the study of both showers and the sporadic complex. The linkage of meteors to meteor showers, to parent bodies, and to other meteors is done using measures of or…
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A Decade of Sporadic Meteoroid Mass Distribution Indices in the Southern Hemisphere Derived from SAAMER’s Meteor Observations Open
We present determinations of the meteoroid differential mass index, s , using over a decade of meteor observations from the Southern Argentina Agile MEteor Radar (SAAMER). For this, we employ an autonomous statistical technique to determin…
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A new method for measuring the meteor mass index: application to the 2018 Draconid meteor shower outburst Open
Context. Several authors predicted an outburst of the Draconid meteor shower in 2018, but with an uncertain level of activity. Aims. Optical meteor observations were used to derive the population and mass indices, flux, and radiant positio…
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BANGS AND METEORS FROM THE QUIET COMET 15P/FINLAY Open
Jupiter-family comet 15P/Finlay has been reportedly quiet in activity for over a century but has harbored two outbursts during its 2014/2015 perihelion passage. Here we present an analysis of these two outbursts using a set of cometary obs…
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2015 Southern Taurid fireballs and asteroids 2005 UR and 2005 TF50 Open
On the night of Oct 31, 2015 two bright Southern Taurid fireballs occurred\nover Poland, being one of the most spectacular bolides of this shower in recent\nyears. The first fireball - PF311015a Okonek - was detected by six video\nstations…
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Observations of an Unexpected Meteor Shower Outburst at High Ecliptic Southern Latitude and Its Potential Origin Open
A strong and unexpected meteor shower outburst was observed by the Southern Argentina Agile MEteor Radar Orbital System (SAAMER-OS) at high southern ecliptic latitude within the South Toroidal region. The outburst, which was active through…
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An Improved Method to Measure Head Echoes Using a Meteor Radar Open
We present an improved methodology to obtain absolute position and velocity of meteor head echoes, which can yield orbital information, generally limited to the use of High-Power, Large-Aperture radars, using an advanced-designed specular …
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Increasing Geminid meteor shower activity Open
Mathematical modelling has shown that activity of the Geminid meteor shower should rise with time, and that was confirmed by analysis of visual observations 1985–2016. We do not expect any outburst activity of the Geminid shower in 2017, e…
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Enhanced activity of the Southern Taurids in 2005 and 2015 Open
The paper presents an analysis of Polish Fireball Network (PFN) observations\nof enhanced activity of the Southern Taurid meteor shower in 2005 and 2015. In\n2005, between October 20 and November 10, seven stations of PFN determined 107\na…
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Mesospheric temperature estimation from meteor decay times during Geminids meteor shower Open
Meteor radar observations at the Sodankylä Geophysical Observatory (67° 22′N, 26° 38′E, Finland) indicate that the mesospheric temperature derived from meteor decay times is systematically underestimated by 20–50 K during the Geminids mete…
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Regular and transitory showers of comet C/1979 Y1 (Bradfield) Open
Aims. We intend to map the whole meteor complex of the long-period comet C/1979 Y1 (Bradfield), which is a proposed parent body of the July Pegasids, No. 175 in the list of meteor showers established by the Meteor Data Center (MDC) of the …
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Multi‐Instrumental Observations of Nonunderdense Meteor Trails Open
Using data from the Sodankylä Geophysical Observatory (67°22′N, 26°38′E, Finland) meteor camera from the whole year 2015, we identified and investigated 28 optical meteors with accompanying ionization trails unambiguously detected by the S…
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Activity of the Eta-Aquariid and Orionid meteor showers Open
\nAims. We present a multi-instrumental, multidecadal analysis of the activity of the Eta-Aquariid and Orionid meteor showers for the purpose of constraining models of 1P/Halley’s meteoroid streams.\nMethods. The interannual variability of…
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Modeling of the meteoroid stream of comet C/1975 T2 and <i>λ</i>-Ursae Majorids Open
Aims. We study the meteoroid stream of the long-period comet C/1975 T2 (Suzuki-Saigusa-Mori). This comet was suggested as the parent body of the established λ -Ursae Majorid meteor shower, No. 524. Methods. We modeled 32 parts of a theoret…
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Q2DW‐Tide and ‐Ionosphere Interactions as Observed From ICON and Ground‐Based Radars Open
A quasi‐2‐day wave (Q2DW) event during January‐February, 2020, is investigated in terms of its propagation from 96 to 250 km as a function of latitude (10°S to 30°N), its nonlinear interactions with migrating tides to produce 16 and 9.6‐h …
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Origins and Spatial Distribution of Non-Pure Sulfate Particles (NSPs) in the Stratosphere Detected by the Balloon-Borne Light Optical Aerosols Counter (LOAC) Open
While water and sulfuric acid droplets are the main component of stratospheric aerosols, measurements performed for about 30 years have shown that non-sulfate particles (NSPs) are also present. Such particles, released from the Earth mainl…
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Computing optical meteor flux using global meteor network data Open
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 l…
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An observational synthesis of the Taurid meteor complex Open
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 dec…
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Recognition of Meteor Showers From the Heights of Ionization Trails Open
Meteoroids constantly enter the Earth's atmosphere, collide with atmospheric molecules, and heat and ablate in the sufficiently dense atmospheric layers at heights between 70 and 110 km. It is still a problem to recognize properties of the…
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High-altitude radar meteors observed at Jicamarca Radio Observatory using a multibaseline interferometric technique Open
A new unambiguous, multibaseline interferometric technique was recently employed for meteor observations at Jicamarca Radio Observatory (JRO). These observations largely confirm high-altitude radar meteors (HARMs). The 50 MHz JRO array is …
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Modification of the Shower Database of the IAU Meteor Data Center Open
Context. The Shower Database (SD) of the Meteor Data Center (MDC) has been operating for 15 yr and is used by the entire community of meteor astronomers. It contains meteor showers categorised in individual lists on the basis of their stat…
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Umov effect in asteroid (3200) Phaethon Open
Context. The near-Earth asteroid (3200) Phaethon occasionally reveals a comet-like activity. It is a parent body to the Geminid meteor shower and considered as a target for the space mission called Demonstration and Experiment of Space Tec…