Stromgren photometric survey in the Galactic anticenter direction

M. Monguio, F. Figueras, P. Grosbol

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    Abstract

    Aims. The main purpose is to map the radial variation of the stellar space density for the young stellar population in the Galactic anticenter direction in order to understand the structure and location of the Perseus spiral arm. Methods. A uvbyHbeta Stromgren photometric survey covering 16sqrdeg in the anticenter direction was carried out using the Wide Field Camera at the Isaac Newton Telescope. This is the natural photometric system for identifying young stars and obtaining accurate estimates of individual distances and ages. The calibration to the standard system was undertaken using open clusters. Results. We present a main catalog of 35974 stars with all Stromgren indexes and a more extended one with 96980 stars with partial data. The central 8sqrdeg have a limiting magnitude of VV
    Original languageEnglish
    Article numberA78
    JournalAstronomy & Astrophysics
    Volume549
    DOIs
    Publication statusPublished - 16 Nov 2012

    Keywords

    • astro-ph.GA

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