Search Results - (Author, Cooperation:S. P. Willner)

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  1. 1
    Staff View
    Publication Date:
    2013-10-25
    Publisher:
    Nature Publishing Group (NPG)
    Print ISSN:
    0028-0836
    Electronic ISSN:
    1476-4687
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Published by:
    http://www.nature.com/

    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Bournaud, F. ; Combes, F. ; Groess, R. ; Barmby, P. ; Ashby, M. L. N. ; Fazio, G. G. ; Pahre, M. A. ; Willner, S. P. ; Block, D. L.

    [s.l.] : Nature Publishing Group
    Published 2006
    Staff View
    ISSN:
    1476-4687
    Source:
    Nature Archives 1869 - 2009
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Notes:
    [Auszug] The unusual morphology of the Andromeda galaxy (Messier 31, the closest spiral galaxy to the Milky Way) has long been an enigma. Although regarded for decades as showing little evidence of a violent history, M31 has a well-known outer ring of star formation at a radius of ten kiloparsecs ...
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1038/nature05184

    Articles: DFG German National Licenses
  3. 3
    Staff View
    ISSN:
    1572-946X
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract The infrared spectra between 2 and 13 μm of a variety of objects have become available in the past few years. These spectra have shown many objects to have up to six emission features that are still unidentified. Other objects show absorptions due to ice, carbon monoxide, silicates, and two unidentified features. The observational characteristics of the unidentified features are discussed here, together with several possible identifications.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00643492

    Articles: DFG German National Licenses
  4. 4
    Willner, S. P.
    Springer
    Published 1994
    Staff View
    ISSN:
    1572-9508
    Keywords:
    Lenses ; camera ; optics
    Source:
    Springer Online Journal Archives 1860-2000
    Topics:
    Physics
    Notes:
    Abstract A camera design with only four lens elements gives good imaging performance at a working focal ratio of f/4.4.
    Type of Medium:
    Electronic Resource
    URL:
    http://dx.doi.org/10.1007/BF00430141

    Articles: DFG German National Licenses