Results 51 to 60 of about 670,598 (207)
The 2HWC HAWC Observatory Gamma-Ray Catalog [PDF]
, 2017 We present the first catalog of TeV gamma-ray sources realized with data from the newly completed High Altitude Water Cherenkov Observatory (HAWC). It is the most sensitive wide field-of-view TeV telescope currently in operation, with a one-year survey ...
A. Abeysekara +112 more
semanticscholar +1 more source
, 2022 37 pages, 27 figures. This chapter will appear in "Section III (X-ray missions) of the first volume (X-ray Experimental Techniques and Missions), of the "Handbook of X-ray and Gamma-ray Astrophysics" (Section editors: Arvind Parmar, Shuang-Nan Zhang, Andrea Santangelo; Editors in chief: C. Bambi and A. Santangelo)
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Students' Beliefs About the Role of Atoms in Radioactive Decay and Half-life [PDF]
, 2007 Provides pedagogical insight concerning learners' pre-conceptions and misconceptions about radioactive decay The resource being annotated is: http://www.dlese.org/dds/catalog_ESA-000-000-000-035 ...
Lamont-Doherty Earth Observatory, Columbia University
core
Observation of the Crab Nebula with the HAWC Gamma-Ray Observatory [PDF]
, 2017 The Crab Nebula is the brightest TeV gamma-ray source in the sky and has been used for the past 25 years as a reference source in TeV astronomy, for calibration and verification of new TeV instruments. The High Altitude Water Cherenkov Observatory (HAWC),
A. Abeysekara +106 more
semanticscholar +1 more source
Real-time processing of the imaging data from the network of Las Cumbres Observatory Telescopes using BANZAI [PDF]
Astronomical Telescopes + Instrumentation, 2018 Work in time-domain astronomy necessitates robust, automated data processing pipelines that operate in real time. We present the BANZAI pipeline which processes the thousands of science images produced across the Las Cumbres Observatory Global Telescope (
C. McCully +7 more
semanticscholar +1 more source
A Study of Junior High Students' Perceptions of the Water Cycle [PDF]
, 2007 Provides pedagogical insight concerning learners' pre-conceptions and misconceptions about the water cycle The resource being annotated is: http://www.dlese.org/dds/catalog_DLESE-000-000-003-365 ...
Lamont-Doherty Earth Observatory, Columbia University
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Nature, 1871 HAVING read only yesterday the agonising account written by M. Marie-Davy and countersigned by M. Delaunay, descriptive of the Communists having made the Paris Observatory one of their chief strategical points, of the domes of the observatory having five hundred bullet-holes through them, and of the rabid attempts made by the citizens in arms, before ...
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Geomagnetic Observatories [PDF]
Journal of large-scale research facilities JLSRF, 2016 In this article we briefly describe the geomagnetic observatories operated or supported by the Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences (GFZ), their scientific and societal use in the light of a global approach, their main data products and their dissemination process, as well as their instrumentation.
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A Formative Assessment of Geologic Time for High School Earth Science Students [PDF]
, 2007 Provides pedagogical insight concerning the assessment strategy using formative assessment The resource being annotated is: http://www.dlese.org/dds/catalog_DLESE-000-000-004-784 ...
Lamont-Doherty Earth Observatory, Columbia University
core
Khartoum for an Observatory [PDF]
Nature, 1911 AT a time when search is being prosecuted in northern Africa (NATURE, September 21, p. 393) for an observatory site, it may not be out of place to direct attention to the merits of the Khartoum vicinity, so far as this can be done by one who is not an astronomer. Its features may be enumerated as follows:—
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