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Dissolving star cluster candidates

Bica, E. ; Santiago, B. X. ; Dutra, C. M. ; Dottori, H. ; de Oliveira, M. R. ; Pavani, D.

Astronomy and astrophysics (Berlin), 2001-02, Vol.366 (3), p.827-833 [Periódico revisado por pares]

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Título:
Dissolving star cluster candidates
Autor: Bica, E. ; Santiago, B. X. ; Dutra, C. M. ; Dottori, H. ; de Oliveira, M. R. ; Pavani, D.
Assuntos: galaxy: open clusters and associations: general
É parte de: Astronomy and astrophysics (Berlin), 2001-02, Vol.366 (3), p.827-833
Notas: publisher-ID:aah2325
ark:/67375/80W-B3TF4RVQ-3
istex:653773A9065BDCA9BFDD249D2FA2543F7C8687CD
other:2001A%26A...366..827B
Descrição: We present a list of 34 neglected entries from star cluster catalogues located at relatively high galactic latitudes ($|b| > $ 15°) which appear to be candidate late stages of star cluster dynamical evolution. Although underpopulated with respect to usual open clusters, they still present a high number density contrast as compared to the galactic field. This was verified by means of (i) predicted model counts from different galactic subsystems in the same direction, and (ii) Guide Star Catalog equal solid angle counts for the object and surrounding fields. This suggests that the objects are physical systems, possibly star clusters in the process of disruption or their fossil remains. The sample will be useful for followup studies in view of verifying their physical nature.
Editor: EDP Sciences
Idioma: Inglês

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