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  • 1
    Electronic Resource
    Electronic Resource
    The Edinburgh-Cape blue object survey (1995)
    Springer
    Astrophysics and space science 230 (1995), S. 101-115 
    Details
    ISSN: 1572-946X
    Keywords: Surveys ; Blue Stellar Objects ; Hot Evolved Stars ; Quasi-stellar Objects
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Edinburgh-Cape Blue Object Survey is a major survey to discover blue stellar objects brighter than B ∼ 18 in the southern sky. It is covering an area of sky of 10,000 square degrees with |b| 〉 30° andδ 〈 0°. The blue stellar objects are selected by automatic techniques from U and B pairs of UK Schmidt Telescope plates scanned with the COSMOS measuring machine. Follow-up photometry and spectroscopy are being obtained with the SAAO telescopes to classify objects brighter than B = 16.5. This paper describes the survey, the techniques used to extract the blue stellar objects, the photometric accuracy, the spectroscopic classification, and the completeness of the survey.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00658172
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Saao standards for optical photometry (1995)
    Springer
    Astrophysics and space science 230 (1995), S. 155-162 
    Details
    ISSN: 1572-946X
    Keywords: Photometric standards ; Photoelectric photometry ; Standard stars
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A review is given of the development of systems of photometric standard stars at the South African Astronomical Observatory. A brief historical perspective indicates how the Harvard E-regions were chosen as standard sequences and developed into a very precise Southern hemisphere system for UBV(RI) c photometry. Subsequent additions of Strömgrenuvby - Hβ and DDO photometry to samples of E-region stars and UBV(RI) c extensions to the F-regions and the Magellanic Clouds are also described. Current programmes to extend and improve these standard stars are briefly discussed, as well as the long-standing problem of linking the Northern and Southern systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00658175
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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