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Characterization of the physical properties of the ROSETTA target
... and drawings of comets on caves, cloths and observations of early writers. Since early times, comets were believe to be bad omens and their apparitions were associated with disasters, calamities, tragedies and so on. One example is provided by the Bayeux tapestry showing the 1066 apparition of comet ...
... and drawings of comets on caves, cloths and observations of early writers. Since early times, comets were believe to be bad omens and their apparitions were associated with disasters, calamities, tragedies and so on. One example is provided by the Bayeux tapestry showing the 1066 apparition of comet ...
The effect of gamma radiation on fibre Bragg
... of the main attributes of FBG sensors is their immunity to electromagnetic interference. Gamma rays are a form of electromagnetic radiation. In nuclear environments when FBG’s are exposed to gamma irradiation results have shown changes in the Bragg wavelength, although the exact cause or trigger is ...
... of the main attributes of FBG sensors is their immunity to electromagnetic interference. Gamma rays are a form of electromagnetic radiation. In nuclear environments when FBG’s are exposed to gamma irradiation results have shown changes in the Bragg wavelength, although the exact cause or trigger is ...
Fatimah Final Thesis
... modes have been observed also for Se and Te after the mid-1970s.4,5 The properties of metal–sulfur structures have been studied extensively in chemistry. The significance of related complexes has been increased since 1960, owing to their wide spectrum of properties and their importance in hydrodesul ...
... modes have been observed also for Se and Te after the mid-1970s.4,5 The properties of metal–sulfur structures have been studied extensively in chemistry. The significance of related complexes has been increased since 1960, owing to their wide spectrum of properties and their importance in hydrodesul ...
Attosecond real time observation of ionization and electron
... photoelectric effect by Einstein opened the field of research that deals with the interplay of matter and light. After the advent of pulsed laser sources (mode-locking: 1964) the attainable pulse duration decreased and approaches nowadays the ultimate limit of a single field oscillation, which corre ...
... photoelectric effect by Einstein opened the field of research that deals with the interplay of matter and light. After the advent of pulsed laser sources (mode-locking: 1964) the attainable pulse duration decreased and approaches nowadays the ultimate limit of a single field oscillation, which corre ...
Two-Color Two-Photon Excitation Using Femtosecond Laser Pulses
... which is obtained by subtracting the signals for each color alone from the signal which is present when both beams are irradiated. For better comparison the data were normalized to the 2c2p signal. Using 400 nm exclusively, we observe a weak fluorescence signal. Further investigations of the fluores ...
... which is obtained by subtracting the signals for each color alone from the signal which is present when both beams are irradiated. For better comparison the data were normalized to the 2c2p signal. Using 400 nm exclusively, we observe a weak fluorescence signal. Further investigations of the fluores ...
Light Microscopy
... This compendium is divided into three main parts: “Wide-field microscopy,” “Confocal microscopy,” and “Recent microscopy techniques.” Wide-field microscopy relates to the ordinary, classic microscope. The name derives from the fact that the entire field of view in the microscope is uniformly illumin ...
... This compendium is divided into three main parts: “Wide-field microscopy,” “Confocal microscopy,” and “Recent microscopy techniques.” Wide-field microscopy relates to the ordinary, classic microscope. The name derives from the fact that the entire field of view in the microscope is uniformly illumin ...
Spin light of neutrino in matter and electromagnetic fields
... The process we are studying in this paper has never been considered before. We discover a mechanism for electromagnetic radiation generated by the neutrino magnetic (and/or electric) moment rotation which occurs due to electroweak interaction with the background environment. It should be noted that ...
... The process we are studying in this paper has never been considered before. We discover a mechanism for electromagnetic radiation generated by the neutrino magnetic (and/or electric) moment rotation which occurs due to electroweak interaction with the background environment. It should be noted that ...
Monte Carlo simulations of the disc white dwarf population
... Max-Planck-Institut fuÈr Astronomie, Koenigstuhl 17, 69117 Heidelberg, Germany ...
... Max-Planck-Institut fuÈr Astronomie, Koenigstuhl 17, 69117 Heidelberg, Germany ...
Variable Star Section Circular - Number 75
... sets at about U h GMAT so only a segment of the fade will be visible. However, any observations obtained from Europe will be very useful as they will complement those from America, where only part of the rise should be visible. Visual observations are made difficult by the lack of suitable compariso ...
... sets at about U h GMAT so only a segment of the fade will be visible. However, any observations obtained from Europe will be very useful as they will complement those from America, where only part of the rise should be visible. Visual observations are made difficult by the lack of suitable compariso ...
γ-ray emission from regions of star formation:
... (right) surveys to appear as γ-ray sources for GLAST and the new ground based Čerenkov telescopes. . . . . . . . . . . . . . . . . . . . . . . . . . . Plausible values of enhancements for the HCN galaxies obtained as the ratio between the SFR of each galaxy and that of the Milky Way versus the need ...
... (right) surveys to appear as γ-ray sources for GLAST and the new ground based Čerenkov telescopes. . . . . . . . . . . . . . . . . . . . . . . . . . . Plausible values of enhancements for the HCN galaxies obtained as the ratio between the SFR of each galaxy and that of the Milky Way versus the need ...
Multiwavelength analysis for interferometric (sub
... discovered with ALMA early science observations in several disks and interpreted as dust traps, with the large grains being more concentrated than the small grains and the molecular gas (van der Marel et al. 2013, 2015; Fukagawa et al. 2013; Pérez et al. 2014; Casassus et al. 2015; Marino et al. 201 ...
... discovered with ALMA early science observations in several disks and interpreted as dust traps, with the large grains being more concentrated than the small grains and the molecular gas (van der Marel et al. 2013, 2015; Fukagawa et al. 2013; Pérez et al. 2014; Casassus et al. 2015; Marino et al. 201 ...
Power Point Presentation
... dips & eclipses and/or optical modulation > 15 well known bursting systems Low mass companions Lx = 1036 - 1038 erg/s ...
... dips & eclipses and/or optical modulation > 15 well known bursting systems Low mass companions Lx = 1036 - 1038 erg/s ...
Formation and evolution of giant molecular clouds in a barred spiral
... surface densities follow a nearly linear trend in all three galactic environments. There is a small deviation towards a steeper gradient at densities below ∼10 M⊙ pc−2 and also an increased scatter due to the smaller number of clouds found within our measured region. Note that this change has a diff ...
... surface densities follow a nearly linear trend in all three galactic environments. There is a small deviation towards a steeper gradient at densities below ∼10 M⊙ pc−2 and also an increased scatter due to the smaller number of clouds found within our measured region. Note that this change has a diff ...
The Destruction of an Oort Cloud in a rich stellar cluster
... cluster. Thus, the Sun’s birth cluster may have been rich in stars, containing thousands or more to begin with. Moreover, if we leave aside the specific constraints posed by solar system evidence and consider the statistics of observed embedded clusters, we find that the number of clusters formed to ...
... cluster. Thus, the Sun’s birth cluster may have been rich in stars, containing thousands or more to begin with. Moreover, if we leave aside the specific constraints posed by solar system evidence and consider the statistics of observed embedded clusters, we find that the number of clusters formed to ...
- REAL-J
... 4624 LEROY F. SNYDER: Period Change in UV Leonis : : : : : : : : : : : : : : : : : : : : : : : : 1 { 4 4625 V. KESKIN, Z. ASLAN: First Photometric Observations at the Turkish National Observatory : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : ...
... 4624 LEROY F. SNYDER: Period Change in UV Leonis : : : : : : : : : : : : : : : : : : : : : : : : 1 { 4 4625 V. KESKIN, Z. ASLAN: First Photometric Observations at the Turkish National Observatory : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : ...
Statistical Properties of Exoplanets - INAF
... spectroscopically detected candidates found to transit in front of their stars or from photometric small-depth transits confirmed to be planets by radial-velocity follow up. These transiting objects allow us to draw an observed mass-radius relation in the planetary domain, providing a powerful tool t ...
... spectroscopically detected candidates found to transit in front of their stars or from photometric small-depth transits confirmed to be planets by radial-velocity follow up. These transiting objects allow us to draw an observed mass-radius relation in the planetary domain, providing a powerful tool t ...
Direct Dark Matter Search with the XENON100 Experiment
... Various astrophysical observations are confirming a consistent picture of our universe, a model known as the “standard model” of big bang cosmology: ΛCDM. In this model, our universe is made up of roughly 27 % of matter and the remaining 73 % of Dark Energy (WMAP Science Team [57]). While it is a tr ...
... Various astrophysical observations are confirming a consistent picture of our universe, a model known as the “standard model” of big bang cosmology: ΛCDM. In this model, our universe is made up of roughly 27 % of matter and the remaining 73 % of Dark Energy (WMAP Science Team [57]). While it is a tr ...
NanoScalePlanetWalk-NSTA-2010
... NanoScale PlanetWalk ACTIVITY #9b Proxima Centauri – closest star to Sun •The MATH… •Proxima Centauri is 202,000 km in diameter = 20.2 cm at the NanoScale. •4.243 light year = 40.14 x 1012 km, the NanoScale distance of Proxima Centauri on the Marshall Co. Trail is 40,140 km. •Proxima Centauri is a 2 ...
... NanoScale PlanetWalk ACTIVITY #9b Proxima Centauri – closest star to Sun •The MATH… •Proxima Centauri is 202,000 km in diameter = 20.2 cm at the NanoScale. •4.243 light year = 40.14 x 1012 km, the NanoScale distance of Proxima Centauri on the Marshall Co. Trail is 40,140 km. •Proxima Centauri is a 2 ...
What are asteroids?
... dislodged from the main belt, owing to the strongly size-dependent, and surprisingly important, Yarkovsky nongravitational force described below. This radiation force can cause a sub-kilometer asteroid to migrate an astronomical unit or more, but it is generally negligible for asteroids larger than ...
... dislodged from the main belt, owing to the strongly size-dependent, and surprisingly important, Yarkovsky nongravitational force described below. This radiation force can cause a sub-kilometer asteroid to migrate an astronomical unit or more, but it is generally negligible for asteroids larger than ...
Astronomical spectroscopy
![](https://commons.wikimedia.org/wiki/Special:FilePath/Star-Spectroscope.jpg?width=300)
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.