Survey of stellar associations using proper motions
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| Format: | Artículo científico |
| Language: | en |
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Universidad Nacional Autónoma de México
2001
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| _version_ | 1876456771678109696 |
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| author | C. Abad |
| author_facet | C. Abad |
| contents | Survey of stellar associations using proper motions C. Abad A. Bongiovanni Liliana Romero Física, Astronomía y Matemáticas Stellar Proper Motions can be represented as great circles over the Celestial Sphere. This point of view creates a geometry over the sphere where the study of parallelism of the motions is possible in an easy form. Calculus of intersections between circles can detect convergence point of motions. This means parallel spatial motion. The model can be carried out to open stars clusters, identifying convergence points as apex, in order to get membership probabilities or, in a general form, to stars of our galaxy to detect big stellar structures and to infer some details about their kinematics. We present here a short description of the model and some examples using stars of the Hipparcos catalogue. 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101130 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.11 |
| format | Artículo científico |
| id | redalyc_57101130 |
| institution | Redalyc |
| language | en |
| publishDate | 2001 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | Survey of stellar associations using proper motions C. Abad Física, Astronomía y Matemáticas Survey of stellar associations using proper motions C. Abad A. Bongiovanni Liliana Romero Física, Astronomía y Matemáticas Stellar Proper Motions can be represented as great circles over the Celestial Sphere. This point of view creates a geometry over the sphere where the study of parallelism of the motions is possible in an easy form. Calculus of intersections between circles can detect convergence point of motions. This means parallel spatial motion. The model can be carried out to open stars clusters, identifying convergence points as apex, in order to get membership probabilities or, in a general form, to stars of our galaxy to detect big stellar structures and to infer some details about their kinematics. We present here a short description of the model and some examples using stars of the Hipparcos catalogue. 2001 artículo científico 0185-1101 https://www.redalyc.org/articulo.oa?id=57101130 en http://www.redalyc.org/revista.oa?id=571 Revista Mexicana de Astronomía y Astrofísica application/pdf Universidad Nacional Autónoma de México Revista Mexicana de Astronomía y Astrofísica (México) Vol.11 |
| title | Survey of stellar associations using proper motions |
| topic | Física, Astronomía y Matemáticas |
| url | https://www.redalyc.org/articulo.oa?id=57101130 |