منابع مشابه
Diffuse interstellar bands in RAVE survey spectra
We have used spectra of hot stars from the RAVE Survey in order to investigate the visibility and properties of five diffuse interstellar bands previously reported in the literature. The RAVE spectroscopic survey for Galactic structure and kinematics records CCD spectra covering the 8400–8800 Å wavelength region at 7500 resolving power. The spectra are obtained with the UK Schmidt at the AAO, e...
متن کاملA Study of Absorption Features in the Three Micron Spectra of Molecular Cloud Sources with H2O Ice Bands
New 3.3–3.6 μm spectra were obtained of nine young stellar objects embedded in molecular clouds. An absorption feature at ∼3.47 μm (2880 cm) with FWHM∼0.09 μm (80 cm), first identified by Allamandola et al. (1992), was definitively detected toward seven objects, and marginally in the other two. The feature is better correlated with H2O ice than with the silicate dust optical depth in the data o...
متن کاملAbsorption Spectra of Phytochrome Intermediates
Native phytochrome (124kdalton) was isolated from etiolated seedlings o f Avena sativa L. cv. Pirol (Baywa, Munich). From low temperature spectra (0 °C to — 165°C ) o f phytochrom e samples irradiated either with red or far-red light, spectra o f intermediates were calculated. Both absorption bands o f the phytochrome chromophore were reported. On the pathway P r i V r , native phytochrome does...
متن کاملOptical Absorption Spectra of Bipolarons
The absorption of large bipolarons is investigated using the path-integral method. The response of a bipolaron to an external electromagnetic field is derived in the framework of the memory function approach. The bipolaron optical absorption spectrum consists of a series of relatively narrow peaks. The peculiarities of the bipolaron optical absorption as a function of the frequency of the elect...
متن کاملModeling of phytochrome absorption spectra
Phytochromes constitute one of the six well-characterized families of photosensory proteins in Nature. From the viewpoint of computational modeling, however, phytochromes have been the subject of much fewer studies than most other families of photosensory proteins, which is likely a consequence of relevant high-resolution structural data becoming available only in recent years. In this work, hy...
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ژورنال
عنوان ژورنال: Monthly Notices of the Royal Astronomical Society
سال: 1924
ISSN: 0035-8711,1365-2966
DOI: 10.1093/mnras/84.8.568