2020
DOI: 10.1016/j.pss.2020.105060
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The challenge of identifying interstellar meteors

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Cited by 23 publications
(19 citation statements)
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“…This raises the question: amir.siraj@cfa.harvard.edu, aloeb@cfa.harvard.edu is there definitive evidence of meter-scale interstellar meteors? Previous studies have reported the detections of interstellar dust grains, but as of yet, no study has produced definitive evidence of meter-scale interstellar meteors (Opik 1950;Hajdukova 1994;Taylor et al 1996;Baggaley 2000;Meisel et al 2002;Weryk & Brown 2005;Afanasiev et al 2007;Musci et al 2012;Engelhardt et al 2017;Hajdukova et al 2018).…”
Section: Introductionmentioning
confidence: 99%
“…This raises the question: amir.siraj@cfa.harvard.edu, aloeb@cfa.harvard.edu is there definitive evidence of meter-scale interstellar meteors? Previous studies have reported the detections of interstellar dust grains, but as of yet, no study has produced definitive evidence of meter-scale interstellar meteors (Opik 1950;Hajdukova 1994;Taylor et al 1996;Baggaley 2000;Meisel et al 2002;Weryk & Brown 2005;Afanasiev et al 2007;Musci et al 2012;Engelhardt et al 2017;Hajdukova et al 2018).…”
Section: Introductionmentioning
confidence: 99%
“…There is significant evidence for previous detections of interstellar meteors (Baggaley et al 1993;Hajdukova 1994;Taylor et al 1996;Baggaley 2000;Mathews et al 1998;Meisel et al 2002a,b;Weryk & Brown 2004;Afanasiev et al 2007;Musci et al 2012;Engelhardt et al 2017;Hajdukova et al 2018), including the meter-size CNEOS 2014-01-08 meteor (Siraj & Loeb 2019c).…”
Section: Introductionmentioning
confidence: 87%
“…Since the type of the orbit is determined by the velocity of the particle on the orbit around the Sun (for a constant distance r from the Sun), it is strongly influenced by the determination of the resulting heliocentric velocity. This value is derived from the measured speed and influenced by the measured position of the meteor, and it is often burdened by various procedural errors, which depend on the observational method used as well as for the data reduction [10]. It was theoretically shown that a positive error of only 1 km s −1 in the pre-atmospheric speed and a change of 1 deg in the radiant position produces hyperbolic orbits in more than one third of the created clones, when applied to a typical perseid-type test particle [9].…”
Section: Dims Experimentsmentioning
confidence: 99%