... 2.2 Ultraviolet All flare stars exhibit quiescent ultraviolet emission line spectra ... ultraviolet flares seen with the IUE satellite (see below), while the other failed ...
... The exceptional inorbit performance of the Interna tional Ultraviolet Explorer (IUE) for more than eighteen years has made it possible to accumulate an invaluable database of ultraviolet observations of a wide variety of objects and, in par ticular of ...
... Intensity enhancement of O VI ultraviolet emission lines in solar sp ectra due to ... regions obtained with the Solar Ultraviolet Measurements of Emitted Radiation (SUMER ...
... Measurements were made using high resolution optical spectra of nine intermediate heliumrich subdwarf B stars obtained with Ultraviolet and Visual Echelle Spectrograph on the VLT; Very Large Telescope run by the European Southern Observatory in Chile . ...
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Ссылки http://star.arm.ac.uk/~csj/nuffield/reports/2012_DMcBay.pdf -- 608.1 Кб -- 04.09.2012 Похожие документы
... 2.2. Hubble Space Telescope ultraviolet observations Ultraviolet spectra of LSS 3184 were obtained using the Faint Object Spectrograph of the HST. ...
... popula tions, hot subdwarfs dominate the ultraviolet flux from old populations such ... are probably responsible for the ultraviolet excesses observed in giant elliptical ...
... bacteria virus protein water molecule `hard' X-rays gamma rays ultraviolet `soft' X-rays T The electromagnetic spectrum ... Very hot objects are brightest at wavelengths shorter than visible wavelengths (in the ultraviolet or in the X-ray region). ...
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Ссылки http://star.arm.ac.uk/~meb/ras_leaflets2012/Infrared.2012.pdf -- 308.0 Кб -- 05.03.2012 Похожие документы
... Milli-second data is commonly acquired in the radio and hard X-rays frequencies, while at ultraviolet wavelengths, high cadence is generally not available with most ultraviolet spectrographs. ...
... spectral data from the Solar Ultraviolet Measurements of Emitted Radiation (SUMER ... 300 000 K" observed with the Extreme-ultraviolet Imaging Spectrometer (EIS) on-board ...