PPT (Download!) - SDSS SkyServer
... travel times from the galactic center – They’ll stand out among old stars from the halo ...
... travel times from the galactic center – They’ll stand out among old stars from the halo ...
Absorption Measurements in Microfluidic Devices using Ring-down Spectroscopy
... picolitre sized volumes with a time response of milliseconds. Fluorescence detection is typically the method of choice due to its very high sensitivity and fast response. However, since many analytes are not naturally fluorescent, labelling protocols may have to be introduced and thereby increase th ...
... picolitre sized volumes with a time response of milliseconds. Fluorescence detection is typically the method of choice due to its very high sensitivity and fast response. However, since many analytes are not naturally fluorescent, labelling protocols may have to be introduced and thereby increase th ...
Introduction
... the snow line3 and so were expected to be found at orbits similar to those of the giant planets in our Solar System (Pollack et al., 1996). But finding them so close to their stars prompted people to suggest that these planets may have undergone inward migration after their formation, due to interac ...
... the snow line3 and so were expected to be found at orbits similar to those of the giant planets in our Solar System (Pollack et al., 1996). But finding them so close to their stars prompted people to suggest that these planets may have undergone inward migration after their formation, due to interac ...
Emergency Land Navigation
... GEM1506K Heavenly Mathematics Advancements in navigational technology have made finding way much easier than before. Nowadays, all kinds of navigational equipment are available, from the basic compass, map, sextant and almanacs to the highly efficient radars and GPS devices. Although technology bri ...
... GEM1506K Heavenly Mathematics Advancements in navigational technology have made finding way much easier than before. Nowadays, all kinds of navigational equipment are available, from the basic compass, map, sextant and almanacs to the highly efficient radars and GPS devices. Although technology bri ...
Diode Laser Characteristics
... Figure 3. Schematic picture of the internal semiconductor stucture of some typical laser diodes. This view is looking into one facet of the laser cavity. population inversion is restricted to a narrow stripe in the active layer, so the laser’s optical gain is spatially localized (gain is the amount ...
... Figure 3. Schematic picture of the internal semiconductor stucture of some typical laser diodes. This view is looking into one facet of the laser cavity. population inversion is restricted to a narrow stripe in the active layer, so the laser’s optical gain is spatially localized (gain is the amount ...
- SkyServer
... COSMIC_RAY) – Spectra available – In main galaxy sample (primTarget = GALAXY but not GALAXY_RED) ...
... COSMIC_RAY) – Spectra available – In main galaxy sample (primTarget = GALAXY but not GALAXY_RED) ...
Solids and Light instructional units in one PDF fi
... Our goal for this series of activities is to understand how these devices work. To accomplish this understanding we need to learn about the emission of light by atoms. Because we cannot see atoms as they emit light, we will need to build a conceptual model of what is happening at the atomic level an ...
... Our goal for this series of activities is to understand how these devices work. To accomplish this understanding we need to learn about the emission of light by atoms. Because we cannot see atoms as they emit light, we will need to build a conceptual model of what is happening at the atomic level an ...
8th International Workshop on Planetary, Solar and Heliospheric
... Special emphasis is put on current missions like Cassini and Juno, but also new findings from data of older missions like Stereo, Voyager, Galileo, Wind or Ulysses are welcome. Studies of terrestrial radio emission data from missions like MMS, Themis, Van Allen Probes, Cluster or Demeter can be anot ...
... Special emphasis is put on current missions like Cassini and Juno, but also new findings from data of older missions like Stereo, Voyager, Galileo, Wind or Ulysses are welcome. Studies of terrestrial radio emission data from missions like MMS, Themis, Van Allen Probes, Cluster or Demeter can be anot ...
Time Dependence of the Charge Transfer Efficiency on the WFPC2
... NOTE: The June 1996 observations use different chips than were used to establish the standard-wide comparison field measurement so that the comparison is not simply the same data with and without the CTE correction. See Figure 1 in ISR 97-08 to make this clearer (e.g., field 1 with the WF2 was comp ...
... NOTE: The June 1996 observations use different chips than were used to establish the standard-wide comparison field measurement so that the comparison is not simply the same data with and without the CTE correction. See Figure 1 in ISR 97-08 to make this clearer (e.g., field 1 with the WF2 was comp ...
A Basic Introduction to BRDF-Based Lighting
... of the light is transmitted, and another portion of the light is absorbed by the medium itself. Because light is a form of energy, conservation of energy tells us that light incident at surface = light reflected + light absorbed + light transmitted For opaque materials, the majority of incident ligh ...
... of the light is transmitted, and another portion of the light is absorbed by the medium itself. Because light is a form of energy, conservation of energy tells us that light incident at surface = light reflected + light absorbed + light transmitted For opaque materials, the majority of incident ligh ...
transparencies - Rencontres du Vietnam
... 2 different Monte-Carlo have been computed to estimate our detection efficiency: _ simulated microlensing effect on true light curve _ fake images that pass all the photometric chain with simulated microlensed star ► they are in excellent agreement for the bright star sample. ...
... 2 different Monte-Carlo have been computed to estimate our detection efficiency: _ simulated microlensing effect on true light curve _ fake images that pass all the photometric chain with simulated microlensed star ► they are in excellent agreement for the bright star sample. ...
Self-Organization, Broken Symmetry, and Lasing in an Atomic Vapor:
... resonant with the D1 transition (3S1y2 ! 3P1y2 ), lasing was not observed. We attribute this to the lack of a closed two-level system on this transition and to competition with the strong forward D1 Raman laser [12]. The peak reverse intracavity fluence (normalized to pump intensity) was 0.03, 0.08, ...
... resonant with the D1 transition (3S1y2 ! 3P1y2 ), lasing was not observed. We attribute this to the lack of a closed two-level system on this transition and to competition with the strong forward D1 Raman laser [12]. The peak reverse intracavity fluence (normalized to pump intensity) was 0.03, 0.08, ...
Structure Analysis Technology for Amorphous Materials by
... established for amorphous materials such as optical fiber glass and diamond-like carbon thin films. X-ray scattering measurements using highly brilliant X-ray from synchrotron radiation was found very effective to obtain scattering spectra with a high signal to background ratio, despite the extremel ...
... established for amorphous materials such as optical fiber glass and diamond-like carbon thin films. X-ray scattering measurements using highly brilliant X-ray from synchrotron radiation was found very effective to obtain scattering spectra with a high signal to background ratio, despite the extremel ...
Confocal Microscopy - Emory Physics
... the specimen, which is not at the focal point of the left-hand-side lens. (Note that the colors of the rays are purely for purposes of distinguishing the two sets—they do not represent different wavelengths of light.) Clearly, the image of the light blue point is not at the same location as the imag ...
... the specimen, which is not at the focal point of the left-hand-side lens. (Note that the colors of the rays are purely for purposes of distinguishing the two sets—they do not represent different wavelengths of light.) Clearly, the image of the light blue point is not at the same location as the imag ...
Miniaturized modules for light sheet microscopy with low chromatic
... concave-convex lens – of 25 mm focal length (Edmund Optics, #68-160, N-BK7/N-SF5) a numerical aperture AN = 0.08 is attained when using the relation AN = sinα ࣈ tanα = A/2f’ for small angles. The resulting beam waist d = λ/AN = 5.9 μm is defined by the thinnest line described by the distance between ...
... concave-convex lens – of 25 mm focal length (Edmund Optics, #68-160, N-BK7/N-SF5) a numerical aperture AN = 0.08 is attained when using the relation AN = sinα ࣈ tanα = A/2f’ for small angles. The resulting beam waist d = λ/AN = 5.9 μm is defined by the thinnest line described by the distance between ...
W. M. White Geochemistry Chapter 10: Cosmochemistry
... we learn about the evolution of the Earth by examining old rocks, we can learn about the evolution of the cosmos by looking at old stars. The old stars of Population II are considerably poorer in heavy elements than are young stars. In particular, Population II stars have a Fe/H ratio typically a fa ...
... we learn about the evolution of the Earth by examining old rocks, we can learn about the evolution of the cosmos by looking at old stars. The old stars of Population II are considerably poorer in heavy elements than are young stars. In particular, Population II stars have a Fe/H ratio typically a fa ...
The Celestial Sphere If you look out from an empty field into a dark
... position of stars in altitude and azimuth, making it easier for one to find them on the night sky. The celestial sphere is also a natural system for showing the motion of the sun, which always appears to travel parallel to the celestial equator. In order to explore these concepts, however, it is nec ...
... position of stars in altitude and azimuth, making it easier for one to find them on the night sky. The celestial sphere is also a natural system for showing the motion of the sun, which always appears to travel parallel to the celestial equator. In order to explore these concepts, however, it is nec ...
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.