Comet Machholz and the Quadrantid meteor stream

Details Comet Machholz and the Quadrantid meteor stream Comet Machholz and the Quadrantid meteor stream

Apr 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993mnras.261..605j&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 261, no. 3, p. 605-611.

Astronomy and Astrophysics

Astronomy

22

Comets, Meteoroid Showers, Orbital Resonances (Celestial Mechanics), Quadrantid Meteoroids, Jupiter (Planet), Perihelions, Comets, Machholz, Quadrantids, Meteor Shower, Origin, Source, Orbits, Computer Methods, Simulation, Parent Bodies, Evolution, Distribution, Orbital Elements, Perihelion, Resonance, Gravity Effects, Jupiter, Perturbations, Longitude, Velocity, Theoretical Studies, Comparison

Scientific paper

Until quite recently, the Quadrantid meteor stream was considered to be an 'orphan'. Because of the difficulty in accounting for the large difference in the longitudes of the ascending nodes, McIntosh (1990) suggested that Comet Machholz and the stream have a sibling rather than a parent-child relationship. Gonczi et al. (1992) proposed that gravitational perturbations by Jupiter may be amplified sufficiently by the 2:1 resonance of the stream with Jupiter to explain the difference in the longitudes of ascending nodes if the stream was born when the comet's perihelion distance was last at its minimum about 4000 yr ago. In this paper, we show by computer simulations that, if the comet was captured at its last close approach with Jupiter about 2200 yr ago, there has been sufficient time for the resulting stream to produce most of the features of the presently observed Quadrantid/Arietid/Southern Delta-Aquarid complex.

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