uu.seUppsala University Publications
Change search
ReferencesLink to record
Permanent link

Direct link
New catalogue of one-apparition comets discovered in the years 1901-1950 I. Comets from the Oort spike
Show others and affiliations
2014 (English)In: Astronomy and Astrophysics, ISSN 0004-6361, E-ISSN 1432-0746, Vol. 571, A63- p.Article in journal (Refereed) Published
Abstract [en]

Context: The orbits of one-apparition comets discovered in the early part of the last century have formerly been determined with very different numerical methods and assumptions on the model of the solar system, including the number of planets taken into account. Moreover, observations of the comet-minus-star-type sometimes led to determination of the comet position that are less precise than what we can derive today by using a more modern star catalogue. Aims. We aim to provide a new catalogue of cometary orbits that are derived using a completely homogeneous data treatment, accurate numerical integration, and a modern model of the solar system. Methods. We collected the complete sets of observations for investigated comets from the original publications. Then we recalculated the cometary positions for the comet-minus-star-type of observations using the Positions and Proper Motions Star Catalogue, and applied a uniform method for the data selection and weighting. As a final result, new osculating orbits were determined. Secondly, dynamical calculations were performed to the distance of 250 AU from the Sun to derive original and future barycentric orbits for evolution backward and forward in time. These numerical calculations for a given object start from a swarm of virtual comets constructed using our osculating (nominal) orbit. In this way, we obtained the orbital element uncertainties of original and future barycentric orbits. Results. We present homogeneous sets of orbital elements for osculating, original, and future orbits for 38 one-apparition comets. Non-gravitational orbits are derived for thirteen of them.

Place, publisher, year, edition, pages
2014. Vol. 571, A63- p.
Keyword [en]
catalogs, comets: general, Oort Cloud
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:uu:diva-245558DOI: 10.1051/0004-6361/201424329ISI: 000345282600068OAI: oai:DiVA.org:uu-245558DiVA: diva2:791404
Available from: 2015-02-27 Created: 2015-02-26 Last updated: 2015-02-27Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Rickman, Hans
By organisation
Theoretical Astrophysics
In the same journal
Astronomy and Astrophysics
Astronomy, Astrophysics and Cosmology

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Altmetric score

Total: 477 hits
ReferencesLink to record
Permanent link

Direct link