Total and Effective Colors of 501 Galaxies in the Cousins VRI Photometric System

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dc.contributor.author Buta, Ronald J.
dc.contributor.author Williams, Kesha L.
dc.date.accessioned 2019-07-10T19:22:04Z
dc.date.available 2019-07-10T19:22:04Z
dc.date.issued 1995-02 en_US
dc.identifier.citation Buta, R., Williams, K. (1995): Total and Effective Colors of 501 Galaxies in the Cousins VRI Photometric System. The Astronomical Journal, 109(2). DOI: 10.1086/117299 en_US
dc.identifier.uri http://ir.ua.edu/handle/123456789/5928
dc.description.abstract Total color indices (V-R)_T, (V-I)_T and effective color indices (V-R)ₑ, (V-I)ₑ in the Cousins VRI photometric system are presented for 501 mostly normal galaxies. The colors are computed using a procedure outlined in the Third Reference Catalogue of Bright Galaxies (RC3) whereby standard color curves approximated by Laplace-Gauss integrals are fitted to observed photoelectric multiaperture photometry. 11 sources of such photometry were used for our analysis, each source being assigned an appropriate weight according to a rigorous analysis of residuals of the data from the best-fitting standard color curves. Together with the integrated B-V and U-B colors provided in RC3, our analysis widens the range of wavelength of homogeneously defined colors of normal galaxies of all Hubble types. We present color-color and color-type relations that can be modeled to understand the star formation history of galaxies. en_US
dc.format.mimetype application/pdf en_US
dc.language English en_US
dc.subject Color-Color Diagram en_US
dc.subject Colorimetry en_US
dc.subject Galaxies en_US
dc.subject Photoelectricity en_US
dc.subject Star Formation en_US
dc.subject Astronomical Catalogs en_US
dc.subject Astronomical Models en_US
dc.subject Astronomical Photometry en_US
dc.subject Laplace Transformation en_US
dc.subject Ubv Spectra en_US
dc.title Total and Effective Colors of 501 Galaxies in the Cousins VRI Photometric System en_US
dc.type text en_US


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