Article (Scientific journals)
Meteor showers from known long-period comets
Jenniskens, Peter; Lauretta, Dante S.; Towner, Martin C. et al.
2021In Icarus, 365, p. 114469
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Keywords :
Meteors; Meteor showers; long period; Comets; dynamics; dust; Celestial mechanics
Abstract :
[en] What long-period comets with orbital periods >250 years cause detectable meteor showers on Earth? Low-light video cameras are used to track the motion of +4 to -5 magnitude meteors in our atmosphere by triangulation and calculate the meteoroid orbit in space. In recent years, the CAMS (Cameras for Allsky Meteor Surveillance) low-light video camera network was greatly expanded and, together with other video networks, now has increased the total video meteoroid orbit database to over 2.2 million orbits. Here, we searched this database for meteor showers associated with known long-period comets. Previously, five associations were known. Now, we find 14, as well as six uncertain but likely associations. These showers show a change of longitude of perihelion with node that is a strong function of inclination. Showers of longer duration show a steeper magnitude distribution index, presumably due to aging of the meteoroid population. Showers are generally detected only if the orbital period of the comet is less than 4000 years and the Earth-Comet orbital miss distance is ≤0.10 AU. The lack of an associated meteor shower sets lower limits on the orbital period of poorly observed comets.
Disciplines :
Space science, astronomy & astrophysics
Author, co-author :
Jenniskens, Peter;  SETI Institute, 189 Bernardo Ave, Mountain View, CA 94043, USA ; NASA Ames Research Center, Moffett Field, CA 94035, USA
Lauretta, Dante S.;  Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ 85721, USA
Towner, Martin C.;  Space Science and Technology Centre, Curtin University, Perth, WA 6102, Australia
Heathcote, Steve;  Cerro Tololo Inter-American Observatory, La Serena, Chile
Jehin, Emmanuel  ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Origines Cosmologiques et Astrophysiques (OrCa)
Hanke, Toni;  High Energy Stereoscopic System Collaboration, Windhoek, Namibia
Cooper, Tim;  Astronomical Society of Southern Africa, Bredell, South Africa
Baggaley, Jack W.;  University of Canterbury, 20 Kirkwood Ave, Christchurch 8041, New Zealand
Howell, J. Andreas;  CAMS Florida, Gainesville, FL 32605, USA
Johannink, Carl;  CAMS BeNeLux, Schiefestr. 36, D-48599 Gronau, Germany.
Breukers, Martin;  CAMS BeNeLux, Schiefestr. 36, D-48599 Gronau, Germany.
Odeh, Mohammad;  International Astronomical Center, Bani Yas Street, Abu Dhabi, United Arab Emirates
Moskovitz, Nicholas;  Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, AZ 86001, USA
Juneau, Luke;  CAMS Arkansas, North Little Rock, AR 72118, USA
Beck, Tim;  Mendocino College, 1000 Hensley Creek Road, Ukiah, CA 95482, USA
De Cicco, Marcelo;  Observatorio Nacional, Rua Gal. José Cristino 77, Rio de Janeiro, RJ 20921-400, Brazil ; EXOSS Citizen Science Project, Brazil
Samuels, Dave;  SETI Institute, 189 Bernardo Ave, Mountain View, CA 94043, USA
Rau, Steve;  CAMS BeNeLux, Schiefestr. 36, D-48599 Gronau, Germany.
Albers, Jim;  SETI Institute, 189 Bernardo Ave, Mountain View, CA 94043, USA
Gural, Peter S.;  Gural Software and Analysis LLC, Lovettsville, VA 20180, USA)
More authors (10 more) Less
Language :
English
Title :
Meteor showers from known long-period comets
Publication date :
01 September 2021
Journal title :
Icarus
ISSN :
0019-1035
eISSN :
1090-2643
Publisher :
Elsevier, United States - California
Volume :
365
Pages :
114469
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 15 October 2021

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