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  • 1
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    Photometry of R Coronae Borealis (1976)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Visual and photoelectric observations of R Coronae Borealis are presented, including a number of observations surrounding the 1974 minimum. The recent visual history of the variable is examined and the discrete cloud obscuration model is considered.
    Keywords: ASTRONOMY
    Type: Contrib. of the Observatory of N. Mex. State Univ., Vol. 1, No. 4; p 134-139
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Intermediate-band photometry of faint standard stars (1976)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: The David Dunlap Observatory system uses six intermediate-band filters whose central wavelengths were chosen to cover important features in the spectrum of a late-type star. Calibrations of the color indices with physical parameters, allow one to estimate T sub eff, log g, Fe/H, M sub v and reddening directly from the photometry. Although a number of standards lists exist, only a small fraction of the stars is fainter than V=6. It is desirable to add to the numbers of faint standards. Results are presented of photometry of sixteen stars obtained during a program of variable-star photometry at Blue Mesa Observatory.
    Keywords: ASTRONOMY
    Type: Contrib. of the Observatory of N. Mex. State Univ., Vol. 1, No. 4; p 140-142
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Seyfert galaxies: A study of brightness variation and stellar concentration (1976)
    In:  Other Sources
    Details
    Publication Date: 2011-08-16
    Description: Ultraviolet photometry of Seyfert galaxies is analyzed for variations in nuclear magnitude. Using multiple apertures permits the estimation of stellar concentration; four Seyfert and two normal spiral galaxies are compared.
    Keywords: ASTRONOMY
    Type: Contrib. of the Observatory of N. Mex. State Univ., Vol. 1 No. 4; p 143-147
    Format: text
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
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