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ALMA array

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Image
This image from the Atacama Large Millimeter&#x2F;submillimeter <span class="search-highlight">Array</span> (<span class="search-highlight">ALMA</span>) sho...
Published: 01 June 2022
Figure 3. This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows fine details in a planet-forming disk surrounding a young star, HL Tau. The rings and gaps in the disk are thought to be related to forming planets.
Image
Atacama Large Millimeter&#x2F;submillimeter <span class="search-highlight">Array</span> (<span class="search-highlight">ALMA</span>) image of the ring of du...
Published: 01 April 2018
Figure 4 Atacama Large Millimeter/submillimeter Array (ALMA) image of the ring of dust and carbon monoxide emission around the star HD 181327 (false color image), proposed to be arising from a shell of comets. The white contours represent the inner and outer dimensions of the Kuiper Belt in our
Journal Article
Published: 01 December 1973
Bulletin of the Seismological Society of America (1973) 63 (6-1): 1921–1935.
..., Canada. The methods evaluated include visual analysis of the array-beam sums, multichannel matched filtering, autocorrelation analysis, and cepstral analysis. For matched filtering we used the recorded wave forms from a seismic event which occurred reasonably close to the Alma Ata site. Measurements...
Journal Article
Journal: The Leading Edge
Published: 01 September 2011
The Leading Edge (2011) 30 (9): 996–1003.
..., prompting such ambitious up-and-coming projects such as the 64-antennae Atacama Large Millimetre/submillimetre Array (ALMA) and the Square Kilometre Array (SKA), which will use several thousand antennae. Meanwhile, deconvolution algorithms such as CLEAN are used to remedy the effects of incomplete sampling...
FIGURES | View All (6)
Journal Article
Published: 01 March 2012
Bulletin of Canadian Petroleum Geology (2012) 60 (1): 37–58.
... slabbed core (A) and thin section (B) of dolomudstone with clay-filled veins filled. A) Irregular vertical veins passing upward into en-échelon vein array. Upper Coronach Member, 15-8-5-7W2M, 2640 m. B) Irregular vertical veins passing upward into irregular vein array. Upper Lake Alma Member, 6-18-6-10W2M...
FIGURES | View All (19)
Image
Vertically oriented slabbed cores (A, C, D) and thin section (B) of dolomud...
Published: 01 March 2012
, 1976 , pl. 23C). B) Irregular vertical and horizontal cracks and breccia of pseudo-intraclasts and cataclastite. Upper Coronach Member, 14-26-6-11W2M, 2550.2 m. C) Almost pervasive vertical cracks. Lower Lake Alma Member, 8-11-13-11W2M, 2164.5 m. D) Array of zigzag-shaped cracks showing vertical
Image
Vertically oriented slabbed core (A) and thin section (B) of dolomudstone w...
Published: 01 March 2012
array. Upper Lake Alma Member, 6-18-6-10W2M, 2640.2 m.
Image
F ig . 5. a. Tera-Wasserburg concordia diagram for zircon U-Pb SHRIMP data ...
Published: 01 June 2005
an approximate metamorphic age of 1610 ± 9 Ma. Numbered analyses are center-rim overlaps of no significance. The data array shown as triangles (without error bars) is from Alma Gneiss sample 95BH-04 ( Nutman and Ehlers, 1998a) . b. SHRIMP 207 Pb/ 206 Pb age versus uranium (ppm) for zircons from Alma Gneiss
Journal Article
Journal: Elements
Published: 01 February 2024
Elements (2024) 20 (1): 13–18.
... distributions in such planet-forming regions. In particular, high-sensitivity observations by the Atacama Large Millimeter/submilli-meter Array (ALMA) have recently found many interstellar complex organic molecules (iCOMs) and rare isotopologues in protoplanetary disks (e.g., Öberg et al. 2021 ). Isotope...
FIGURES | View All (5)
Journal Article
Journal: Elements
Published: 01 June 2022
Elements (2022) 18 (3): 155–160.
...Figure 3. This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows fine details in a planet-forming disk surrounding a young star, HL Tau. The rings and gaps in the disk are thought to be related to forming planets. ...
FIGURES | View All (6)
Journal Article
Journal: Elements
Published: 01 December 2022
Elements (2022) 18 (6): 399–404.
... and monitoring of features on Io, which are typically ~40–200 km in size, at a resolution of 12 km. ( C, bottom ) Visible image mosaic of Io from the Galileo mission. A dapted from W right et al . (2016) . At longer wavelengths, the Atacama Large Millimeter/submillimeter Array (ALMA) interferometer...
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Journal Article
Journal: Elements
Published: 01 February 2024
Elements (2024) 20 (1): 31–37.
... where stars and planetary systems form (e.g., Yamamoto 2017 ). The high spatial resolution observations by the Atacama Large Millimeter/submillimeter Array (ALMA) have enabled us to observe molecular distributions in protoplanetary disks, showing that the chemical diversity of parent clouds...
FIGURES | View All (6)
Journal Article
Journal: Elements
Published: 01 February 2024
Elements (2024) 20 (1): 7–12.
... objects. As a result, astronomical observations have detected a wealth of complex organic molecules, which has reshaped our understanding of extraterrestrial organic matter. For instance, the Atacama Large Millimeter/submillimeter Array (ALMA) telescope has remarkable sensitivity and detection...
FIGURES | View All (4)
Journal Article
Journal: AAPG Bulletin
Published: 01 September 2013
AAPG Bulletin (2013) 97 (9): 1503–1520.
... ). The type and frequency of such point defects reflect the thermodynamic and physicochemical conditions under which the quartz formed ( Götze et al., 2000 ). It has been shown, however, through numerous investigations of a wide array of quartz-bearing rocks, that a genetic correlation of quartz grains...
FIGURES | View All (8)
Journal Article
Journal: Economic Geology
Published: 01 June 2005
Economic Geology (2005) 100 (4): 633–661.
... an approximate metamorphic age of 1610 ± 9 Ma. Numbered analyses are center-rim overlaps of no significance. The data array shown as triangles (without error bars) is from Alma Gneiss sample 95BH-04 ( Nutman and Ehlers, 1998a) . b. SHRIMP 207 Pb/ 206 Pb age versus uranium (ppm) for zircons from Alma Gneiss...
FIGURES | View All (22)
Journal Article
Published: 01 April 1988
Bulletin of the Seismological Society of America (1988) 78 (2): 885–897.
... give earthquake-like or ambiguous results. For five of the examples, observed relative amplitudes from only four azimuthally well-distributed array seismograms are sufficient to exclude the single-earthquake interpretation. Deliberate attempts to simulate earthquake teleseismic P wave-forms using...
Journal Article
Journal: Geophysics
Published: 24 May 2013
Geophysics (2013) 78 (3): WB113–WB126.
... the extent of a mapped region. We predict discrete lithologies and identify their contact zones using a raster model whose class labels indicate the category covering the center of a cell within a regular array. The use of a raster model for assessing continuous variations in uncertainty is easier to conduct...
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Journal Article
Journal: Elements
Published: 01 February 2024
Elements (2024) 20 (1): 5–6.
... in obser­ vational projects, especially using ALMA (Atacama Large Millimeter/ submillimeter Array) recently. Matthew A. Pasek is a professor at the University of South Florida in the School of Geosciences at Tampa, Florida (USA). His research is on the chem­ istry of phosphorus from the solar nebula...
Journal Article
Published: 01 March 2010
The Journal of Geology (2010) 118 (2): 131–143.
..., the Nanxiong Basin is well known for its Early Paleocene mammalian fossil record. The Nanxiong Basin represents the type area for both the Shanghuan and the Nongshanian ALMAs. Several very important fossils are known from here, including Petrolemur brevirostre (Tong 1979 ) and Radinskya yupingae (McKenna...
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Journal Article
Published: 01 February 1986
Bulletin of the Seismological Society of America (1986) 76 (1): 177–190.
...Jer-Ming Chiu; Bryan L. Isacks; Richard K. Cardwell Abstract On three-component, short-period, digital array recordings, S to P converted phases from three major crustal discontinuities beneath Efate Island are identified between the primary P and S arrivals. The time differences between the main S...