... Tonight's Sky . ... The Magazine . ... Observing . ... Star Atlas . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Sky Events . ... May 2016: Gravitational waves breakthrough . ... Observing springtime deep-sky objects with a large telescope . ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...
... 77, 1995 R. A. Shaw, H. E. Payne, and J. J. E. Hayes, eds. QPSIM: An IRAF/PROS Tool for Source Simulation K. R. Manning, J. DePonte, and F. Primini Smithsonian Astrophysical Observatory, 60 Garden St., Cambridge, MA 02138 Abstract. ... Qpsim is an IRAF/PROS task which will gen erate events from sources of given intensity, shape, and position and ei ther overlay them on a flat background in a new QPOE file or inject them into an existing QPOE file. ...
... Soc. 427, 790805 (2012) doi:10.1111/j.1365-2966.2012.21990.x Ages and abundances in large-scale stellar discs of nearby S0 galaxies O. K. Sil'chenko,1,2 I. S. Proshina,1 A. P. Shulga1 and S. E. Koposov 1 2 3 1,3 Sternberg Astronomical Institute of the Lomonosov Moscow State University, Moscow, Russia Isaac Newton Institute of Chile, Moscow Branch, Moscow, Russia Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 OHA Accepted 2012 August 23. ... S0s fading from spirals. ...
Silicon Tungsten Calorimetry David Strom University of Oregon · · · · Design Consideration Silicon Detector Design Electrons and Noise Mechanical Design · Timing resolution · Plans and lab activity · Si-W Mechanical Design Si-W work p ersonnel and resp onsibilities M. Breidenbach, D. Freytag, N. Graf, G. Haller,O. Milgrome SLAC Electronics , Mechanical Design , Simulation SLAC meeting R. Frey, D ... Time constant for the time measurement is 50 or 200 ns. ...
... During these years, the Mercury, Apollo and Gemini programs ran concurrently while the MSC was being designed and built. ... Gemini Project Office. ... Program Analysis and Evaluation Chief Thomas W. Briggs Mercury Project Office Manager K. S. Kleinknecht Gemini Project Office Manager James A. Chamberlin Apollo Project Office Manager Charles W. Frick Systems Engineering Office Office of Manned Space Flight Asst Director Richard J. Hayes Langley Research ...
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