SiD Tracking using VXD Nick Sinev, University of Oregon Plan Motivation Track reconstruction algorithm Performance for single tracks Does it have any limits ? With backgrounds To do Motivation Tracking in SiD is a challenge, especially pattern recognition. ... Limitations caused by reconstruction speed consideration In the presence of high number of background hits, number of 3-point combinations used as track seed became enormous if we consider all combinations. ...

... The largest number of channel groups in a row . The largest number of channel elements in a row above threshold . Create empty output table header and structure. Create a linked list (GROUP_LIST) to store groups of contiguous elements . ... Foreach element in row . ... Else push GROUP onto GROUP_LIST, and create a new instance of the GROUP structure for the next group of contiguous elements. End element loop . ... Create a new instance of GROUP_LIST for the next row. end row loop . ...

... Bojan Nikolic web pages (r. 329) . Out-Of-Focus (OOF) Holography . The observed beam maps are shown in the first row of the table below. ... The analysis was done in the usual way. ... A sample OOF observed data set (top row) and the results of analysis with increasing number of Zernike polynomials used to parameterise the aperture: . Observed beams . Example of an OOF analysis for the GBT . Observed data and analysis . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

... Numbers of e-prints are undercounted. Number of e-prints are given only for 2000y. Collaboration name . ... N of Russians . Last e-print . N. of e-prints . ... hep-ex/0002048 . ... hep-ex/00004031 . ... hep-ex/0008050 . ... astro-ph/0011313 . ... astro-ph/0003012 . ... astro-ph/0002471 . ... hep-ex/0011029 . ... hep-ex/0012039 . ... hep-ex/0012046 . ... hep-ex/0002026 . ... hep-ex/0002064 . ... astro-ph/0001083 . ... astro-ph/0002054 . ... hep-ex/0012052 . ... astro-ph/0012401 . ...

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... Bad Astronomy . Misconceptions . ... Bad Astronomy : "We're light years more advanced than our competition!" ... Even the closest astronomical object, the Moon, is 400,000 kilometers away! ... A beam of light will travel 9,500,000,000,000 kilometers in one year. This distance is defined as a light year ; the distance light travels in a year. ... This is another example of Bad Astronomy; like a light year, a parsec is a unit of distance, not time (to be specific, it equals 3.26 light years) . ...

... 2005 January 28 . The Swarm . ... CXC , NASA . Explanation: What do you call a group of black holes ... a flock, a brace, a swarm? Monitoring a region around the center of our Galaxy , astronomers have indeed found evidence for a surprisingly large number of variable x-ray sources - likely black holes or neutron stars in binary star systems - swarming around the Milky Way's own central supermassive black hole. ... About APOD | ... NASA Web Site Statements, Warnings, and Disclaimers . ...

The Special Astrophysical Observatory of Russian Academy of Sciences is one of the leading center of stellar magnetism study. ... Our observatory every 3-5 years holds an International Conference "Magnetic Stars" during past 30 years. ... The conference proceedings were published in book "Stellar Magnetism", Editors-in-chief Yu.V. Glagolevskij and I.I. Romanyuk (Saint Petersburg, Nauka, 1992), 270 pages. ... Conferences . History . ... Laboratory for the Stellar Magnetism Study of SAO of the RAS . ...

... ON THE ROLE OF LARGE-SCALE PLASMA IRREGULARITIES AT THE FINAL STAGE OF ANOMALOUS ABSOPTION DEVELOPING UNDER HF HEATING OF THE IONOSPHERE . ... Fig. ... With the aid of numerical statistical modeling based on multiple ray tracing it is shown that in presence of large-scale irregularities the reflected signal amplitude mean value is increased significantly. ... Dependence of the mean amplitude of the reflected from the ionosphere signal on the large-scale (10-50 km) electron density irregularity level...

... PhD 1974 in Astrophysics, . ... Head of the Department of Theoretical Astrophysics, . Department Number . 01 (Theoretical Astrophysics) . ... Astro Space Center . ... Telephone Number . 7(095) 333 1535 . FAX Number . 7(095) 333 2378 . ... lukash@dpc.asc.rssi.ru ...

December 16, 1997 . ... An example of the EUV chain revealed by the modified SOHO/EIT images. A complex EUV (195 A) chain or thread of December 16, 1997, consisting of several quasi-straight-line fragments between points 1-2-3-4-5 and covering a large part of the solar disk. ... A comparison of the large-scale chains and threads on two pairs of the modified SOHO/EIT (195 A; inverted) and He I (10830 A; normal) images. ... SOHO/EIT, 195 A, December 15-17, 1997 GIF Animation (1.07 MB) . ...

... Help the observer to classify the variables as classical Cepheids (C1), type II Cepheids (C2) and RR Lyrae stars (R). ... Notes: Classical Cepheid stars are a type of pulsating variable stars, which show linear relationship between period of pulsation and absolute luminosity in a log-log plot. ... RR Lyrae stars are another type of pulsating variable stars which show very short period (less than 1 day) of pulsation and for all RR Lyrae stars, the absolute luminosity is nearly constant. ...

Scream Level --- "Zork - with a shotgun" This level is a little larger and more involved than my last level (Daemon2). ... Scream incorporates some rather nasty puzzles which you will have to solve to complete the level. ... This applies to Scream as well. ... Title: Scream.wad Author: Cameron Newham (cam@iinet.com.au) Type: Standard (solo) Level: E1M1 Base: New level from scratch Build Time: 25+ Hours Tools: Deu 5.0, with BSP 1.0 providing node generation. ... We're talk'n swoon. ... We're talk'n... ...

Milky Way X-ray background emission « »: , . ... RXTE , . ... Using near-infrared Galaxy intensity measured with COBE/DIRBE experiment and X-ray data from RXTE and INTEGRAL it was shown that X-ray brightness of the Galactic background emission closely follows its stellar density and can be explained by a cumulative emission of a large number of weak Galactic X-ray sources. ... Map of Galactic background emission in hard X-ray energy band obtained with INTEGRAL observatory. ... 2006, &, 452, 169 ., ...

... adass@eso.org . ... c/o Britt Sj?berg . ST-ECF/ESO . ... European Southern Observatory . ... The ADASS '97 Program Organizing Committee is comprised of the following members: Rudi Albrecht (ST-ECF/ESO), Roger Brissenden (SAO), Tim Cornwell (NRAO), R. Crutcher (Uni. of Illinois), F. Rick Harnden - Chair (SAO), George Jacoby (NOAO), Jonathan McDowell (SAO), Jan Noordam (NFRA), Dick Shaw (STScI), Richard Simon (NRAO), Britt Sj?berg (ST-ECF), Doug Tody (NOAO), and Dave Van Buren (IPAC). ...

... We compare our results with the GRANAT X-ray observations of the Galactic center (Churazov et al. ... It is instructive to compare our results for the Galactic center starburst with what might be expected for a continuous star formation, with the average rate characteristic for the whole Galaxy. For this continuous star formation model, we would expect to observe in the region of around the Galactic center about 10% of the total number of X-ray sources in the Galaxy. ...

Odessa is the city wherein George Gamow was born. ... It was too scanty and simple for Gamov to be just engaged in researches. ... The LOC in Odessa will try to do their best and make every participant feel extraordinary atmosphere of our city, its spirit of freedom and keen interest in the search for nonstandard . ... The pleasant sound of this word brings a warm smile to one's lips and rays of sunshine to the soul. It seems as if the city has always been on the shores of the Black Sea. ...

... PhD 1974 in Astrophysics; . Doctoral Degree 1984 in Astrophysics . ... Head of the Department of Theoretical Astrophysics . Department Number: . 01 (Theoretical Astrophysics) . ... Astro Space Center . ... Telephone Number: . 7(495) 333 3366 . FAX Number: . 7(495) 333 2378 . ... lukash@asc.rssi.ru . ...

Sunspot groups data format 1-4 Year 6-7 Month 9-10 Day 12-18 The extended number of the group in format YYYYNNN, where YYYY is the year of the catalogue volume, NNN is the number of spot in the volume. 20-24 Heliographic longitude 26-30 Latitude 32-36 Second heliographic longitude (999.9=no data) 38-42 Second latitude (999.9=no data) 44-47 The group area, in millionths of solar hemisphere (9999=no data) 49-52 The area of the largest spot (9999=no data) 54-56 Number of spots in the group (999=no data)

Large networks may have thousands of systems connected to them. A domain name addressing scheme is used to specify system addresses in a way that humans can understand. The top level domain for the UK is uk . ... If the organisation has a large number of systems, then the organisational domain might also contain sub-domains, each of which contains a number of systems. ... The mail address for any system can be given as a series of domains, each of which is separated by a dot (full stop). ...