Other
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.5841s&link_type=abstract
American Astronomical Society, AAS Meeting #211, #58.41; Bulletin of the American Astronomical Society, Vol. 39, p.841
Other
Scientific paper
The aim of the present study is to contribute to a better understanding of the stellar distribution in the galactic longitude range between l=283° and l=294°. The field we investigate is centered on the galactic cluster IC 2602 and contains the near part of the Gould Belt and the distant spiral structures toward Carina. We present an overall uvbyβ photometric investigation of the prominent apparent stellar structures in this part of the Galaxy. Our sample contains more than 550 stars covering a wide range of stellar types and luminosity classes. The uvbyβ system chosen here is arguably better suited to the study of individual stars and their groupings in terms of stellar luminosity than any other photometric system in wide use. This allows for reliable distance estimations of the spiral arms' tracers. The precise photometry and the reliable calibrations enable us to infer accurate individual stellar distances and reddening. Based on these homogeneous estimates for stars that belong to the major groupings in the field and the stellar layers, we present a discussion of the spatial structure and star-forming history of this part of the fourth Galactic quadrant.
Kaltcheva Nadia
Kuchera Anthony
Scorcio Micah
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