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dc.contributor.author
Branham, Richard Lacy
dc.date.available
2016-12-14T18:29:57Z
dc.date.issued
2014-04
dc.identifier.citation
Branham, Richard Lacy; A new orbit for comet C/1861 J1 (Great comet of 1861); Universidad Nacional Autónoma de México. Instituto de Astronomía; Revista Mexicana de Astronomía y Astrofísica; 50; 4-2014; 109-118
dc.identifier.issn
0185-1101
dc.identifier.uri
http://hdl.handle.net/11336/9410
dc.description.abstract
A new orbit is calculated for Comet C/1861 J1 (Great comet of 1861) to replace Kreutz?s orbit of 1880. The orbit is based upon 2,362 observations, 1,198 in right ascension and 1,164 in declination, made between May of 1861 and March of 1862. The comet?s period of 364.96 ± 0.51 yr differs significantly from Kreutz?s period of 409 yr. This orbit is linked with one calculated from 5 observations made in the Far East in 1500, possibly of the Great comet, by imposing boundary conditions on the differential equations of motion. The linked orbit indicates a period of 361.3 yr. This increases the probability that the Great comet is indeed the comet observed in 1500. Although the residuals are relatively random (16.0% probability of randomness), post-perihelion residuals are less random indicating possible deviations from Keplerian motion such as systematics error or nongravitational forces.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Universidad Nacional Autónoma de México. Instituto de Astronomía
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Celestial Mechanics
dc.subject
Comets: Individual (C/1861 J1)
dc.subject
Methods: Data Anlysis
dc.subject.classification
Astronomía
dc.subject.classification
Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
A new orbit for comet C/1861 J1 (Great comet of 1861)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-12-07T18:00:11Z
dc.journal.volume
50
dc.journal.pagination
109-118
dc.journal.pais
México
dc.journal.ciudad
México
dc.description.fil
Fil: Branham, Richard Lacy. Consejo Nacional de Investigaciones Científicas y Técnicas. Científico Tecnológico Mendoza. Instituto Argentino de Nivología, Glaciología y Ciencias Ambientales; Argentina
dc.journal.title
Revista Mexicana de Astronomía y Astrofísica
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.astroscu.unam.mx/rmaa/RMxAA..50-1/PDF/RMxAA..50-1_rbranham.pdf


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