The Radio Properties of X-Ray Selected Extragalactic Objects
Not Available
Ramirez-Castro, L. et al.
Fecha de publicación:
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1998
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The Maunder Minimum and Climate Change: Have Historical Records Aided Current Research?We discuss how, in the 1970's, Eddy took clues from the historical researches of Spörer and Maunder in the 19th century to draw attention to the virtual absence of sunspot activity between 1645 and 1715. This ``Maunder Minimum'' is not only of interest to solar physicists in the context of the theory of solar magnetic activity, and to stellarBeckman, John E. et al.
Fecha de publicación:
01998 -
The Low Metallicity Tail of the Halo Metallicity Distribution FunctionNot AvailableBeers, T. et al.
Fecha de publicación:
01998 -
The ISO Survey of the Hubble Deep FieldNot AvailableRowan-Robinson, M. et al.
Fecha de publicación:
01998 -
The integrated magnetic field of the sun seen by the GOLF experimentThe secondary objective of the GOLF Experiment on-board the SOHO space mission is to measure the line-of-sight component of the disk averaged magnetic field of the Sun. GOLF is an improved disk-integrated sunlight resonant scattering spectrophotome ter. Using an extra fixed quarter wave plate placed at the entrance of the instrument, enables aGarcia, R. A. et al.
Fecha de publicación:
01998 -
The First Line Profiles from Cool Field Brown DwarfsThe empirical study of confirmed brown dwarfs began in 1995. Until this year, however, no ironclad examples of free-floating field brown dwarfs have been confirmed. Recently three excellent candidates have been discovered --- bright enough to obtain high resolution spectra with the Keck 10-m telescope. Two of our targets clearly show the lithiumBasri, G. et al.
Fecha de publicación:
01998