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Cyclam ``capa` POT.4` to ``capa` POT.3` denticity change
Cyclam ``capa` POT.4` to ``capa` POT.3` denticity change

... or carboxy functional groups. These groups are versatile linkers because they can form amide bonds with a desired material or relevant biomolecules such as proteins or antibodies. Whereas complex-modified solid materials may lead, for example, to sensors with potential analytical applications, the a ...
Hints for families of gamma-ray bursts improving the Hubble diagram
Hints for families of gamma-ray bursts improving the Hubble diagram

... Cladistics has been mainly developed to build phylogenies of living organisms and is well adapted to the diversification by replication. More generally, cladistics can be used when diversity is generated through some transmission-with-modification mechanism, ideally presenting a branching pattern. C ...
Chemical Shift and Electric Field Gradient
Chemical Shift and Electric Field Gradient

The interstellar medium and star formation on kpc size scales
The interstellar medium and star formation on kpc size scales

10:30 Coffee break - Astrometry and Astrophysics in the Gaia sky
10:30 Coffee break - Astrometry and Astrophysics in the Gaia sky

... 17:00 Rachael Beaton The Carnegie-Chicago Hubble Program, A Population-II Distance Ladder 17:20 Jean Souchay The LQAC-4, last update of a the Large Quasar Astrometric Catalogue 17:40 Christopher Jacobs Tying multiple Radio Wavelength Celestial Frames to the Gaia Optical Frame 18:00 Tobias Fritz Usin ...
Interactions of Ammonia with a NiO( 100) Surface
Interactions of Ammonia with a NiO( 100) Surface

... In theapplicationof HREELS to adsorbates on ionicsubstrates, however, a great difficulty encounteredis that the accompanying vibrational spectra are dominated by losses due to excitation of surface optical phonons. Since the intensemultiple phonon losses generally extend over a wide vibrational freq ...
Earth_Science_Notebook_January_2011
Earth_Science_Notebook_January_2011

... Introduction to using spectroscopes ...
Copyright 2004 Society of Photo-Optical Instrumentation Engineers. This
Copyright 2004 Society of Photo-Optical Instrumentation Engineers. This

... The C-continuum measurements have the advantage of providing the effective area for nearly the entire Chandra energy band. But extreme care has to be taken for the data analysis and results evaluation details. Following issues has to be resolved and calculated correctly: • Pileup: Pileups occur whe ...
ATMOSPHERIC LENSING AND OBLATENESS EFFECTS DURING
ATMOSPHERIC LENSING AND OBLATENESS EFFECTS DURING

... height and orbital distance. For HD 209458b, the only currently known transiting extrasolar planet, caustics are absent because of the very small lens-source separation (and a large scale height caused by a high temperature from the small separation). Its oblateness is also expected to be small beca ...
Changes in spatial extent and peak double optical density of human
Changes in spatial extent and peak double optical density of human

... reflectance studies [17,19,41,42] and, in particular, to a recent study using a similar technique, which obtained 0.15  0.05 for 6 subjects with a mean age 32.8  12.1 [32] (it should be emphasized that computations here were carried out to obtain MPOD at 490 nm rather than at the usual 460 nm, whe ...
by ZHAOBING TIAN
by ZHAOBING TIAN

... interference performance. Phase dependent interference (attenuation range from 1 dB to 35 dB) is observed in the simulation for the interferometers using abrupt tapers and connector-offset attenuators. Three interferometers are realized in the experiment using the abrupt tapers (Mach-Zehnder and Mic ...
Relativity and the Gravitational Potential of the Universe
Relativity and the Gravitational Potential of the Universe

... All velocities, from orbital velocity of satellites to velocities of aircraft in the Hafele-Keating7,8 experiment to compute differential clock rates, are in practice computed from such sidereal axes, to satisfy the equations of Newtonian and relativity theories. We will call this local inertial fr ...
Multinuclear NMR as a tool for studying local order and
Multinuclear NMR as a tool for studying local order and

... %) covers a broad range, of more than 5000 ppm, and presents usually large chemical shift anisotropies. On the halogen side, ...
Theoretical Models of the Structure of Protoplanetary Disks Les
Theoretical Models of the Structure of Protoplanetary Disks Les

... knowledge of the dust-to-gas ratio (how much gram of dust is there in the disk for every gram of gas). Modelers typically guess that d/g = 0.01, which is roughly the value that is valid for the interstellar medium. But this is nothing more than an educated guess. • Disk mass Mdisk : When astronomer ...
Horace Welcome Babcock - National Academy of Sciences
Horace Welcome Babcock - National Academy of Sciences

... did not decline outside the galaxy’s luminous bulk. Rather, it continued to rise to the outer angular limits of Horace’s observations. This behavior was contrary to the expectations for Keplerian motion about a central gravitating body (in which velocity decreases inversely as the square root of dis ...
Chapter 3 - Optoelectronics Research Centre
Chapter 3 - Optoelectronics Research Centre

Optical Comms 2004 (Summer)
Optical Comms 2004 (Summer)

... This in turn opens up transmission at wavelengths circa 1400 nm and 1000 nm, which have not been utilised to date. Scattering Loss: Scattering is a process whereby all or some of the optical power in a mode is transferred into another mode. This frequently causes attenuation, since the transfer is o ...
Symmetry breaking and strong coupling in planar optical
Symmetry breaking and strong coupling in planar optical

... [2,3,6,16]. Such resonant modes have been termed variously as dark modes, subradiant modes or trapped modes [16]. This nomenclature suggests that dark modes do not readily radiate since they are trapped within the resonator. These modes couple weakly to the free space and needs an external perturbat ...
The XXL Survey - I. Scientific motivations − XMM
The XXL Survey - I. Scientific motivations − XMM

Metal Nanoparticles for Microscopy and Spectroscopy
Metal Nanoparticles for Microscopy and Spectroscopy

... reflective in the visible range. Some metals, such as copper and gold, have interband transitions in the visible range, whereby specific wavelengths are absorbed yielding their distinct color. In the regime around and just below the plasma frequency metals are ‘plasmonic’. As a consequence, small met ...
Formation of millisecond pulsars with CO white dwarf companions–I
Formation of millisecond pulsars with CO white dwarf companions–I

... fact in a tight binary with an orbital period of only 16.8 h and has a carbon–oxygen white dwarf (CO WD) companion of mass 0.78 ± 0.04 M . With such a small orbital period combined with a massive white dwarf, there seems to be no doubt that this system evolved through a common envelope and spiral-i ...
Aucun titre de diapositive - Fermi Large Area Telescope
Aucun titre de diapositive - Fermi Large Area Telescope

The KStars Handbook - KDE Documentation
The KStars Handbook - KDE Documentation

Fundamentals of radio astronomy - Radio Observations of Active
Fundamentals of radio astronomy - Radio Observations of Active

... What is radio astronomy? • The study of radio waves originating from outside the Earth • Wavelength range 10 MHz – 1 THz • Long wavelengths, low frequencies, low photon energies – Low-energy transitions (21cm line) – Cold astronomical sources – Stimulated emission (masers) – Long-lived synchrotron ...
Lateral shearing interferometry for EUV optical testing
Lateral shearing interferometry for EUV optical testing

... WHY LSI? As demands increase for high quality optics in the Extreme Ultraviolet (EUV) and Soft X-ray (SXR) regions for applications in high resolution microscopy and lithography, it is becoming increasingly important to have a reliable means for measuring these optics. In Lateral Shearing Interferom ...
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Astronomical spectroscopy



Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light, which radiates from stars and other hot celestial objects. Spectroscopy can be used to derive many properties of distant stars and galaxies, such as their chemical composition, temperature, density, mass, distance, luminosity, and relative motion using Doppler shift measurements.
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