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. ...

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• Means and Deviations
• QSO Absorption Lines and Other Cosmological Probes
• Structure of Atomic Nuclei

... Some equations, identities or formulas contain small quantities , and these can be made much simpler and easier to use by sacrificing a little accuracy. ... When we derive squares, 3rd powers, 4th powers etc. of numbers larger than 1 , the results are always bigger , while for numbers smaller than 1 , the results are always smaller . ... power . ... number . ... The above also holds for negative numbers, if one understands "bigger" and "smaller" to refer to the absolute value (the value without sign...

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• Elements of Algebra
• Formulas
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The first persistent Web agent that we have created on Actor Prolog is a program that collects information about research groups that develop Prolog and projects in the field of logic programming. The agent looks through a given list of Web sites and calculates some attributes of the sites: the date of recent modification, total size, the number of figures, the number of outside links, the number of error links, the number of given keywords, etc. ... http://www.cplire.ru/Lab144/space/prolog.html . ...

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• News of InformChaos Lab.
• Actor Prolog. Example "D:\MOROZOV\Z\DEMO\EXE\EXAMPLES\ADA_LOG.HTML"

Общая Астрономическая Конференция > Практика > Астрономические наблюдения > Звезда рядом с Венерой . ... Просмотр полной версии : Звезда рядом с Венерой . ... Если посмотреть в SkyMap, получается, что около 2 ч. Московского летнего времени Венера проходила примерно в 0.5' от переменной звезды TV Gem. ... Julian day number 2452125.41667) . ... Names and Catalog Numbers . ... PPM number: PPM 95588 . ... Tycho Catalog Data . ... RA: 0.0068 arcsec . ... Number of accepted data points: 106 . ...

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• Звезда рядом с Венерой - Общая Астрономическая Конференция
• WinOccult [Архив] - Общая Астрономическая Конференция
• WinOccult - Общая Астрономическая Конференция

... The numbers of three types of compact binaries containing accreting NSs and BHs, which are most interesting from the point of view of their observational appearances, have been calculated as a function of time: i) X-ray transient source containing a NS in an eccentric orbit around a main sequence Be-star (the observed prototype: A0535+26), ii) BH The evolution of the selected types of X-ray binaries during the first 10 million years after the starburst onset is presented in Fig. ...

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• The Number of Ejectors in Binaries
• Canadian Paper Money - Reference Guide
• Canadian Paper Money - Questions Answers

... 0.8 GSC 26 131 0.37 0.28 ext 203 2002 USNO 21 103 0.44 0.38 ext 517 Switzerland, 0.20 46x46 2.2 17 113 0.22 0.13 int 2000 Genewa 2.0 Tycho 517 12 68 0.07 0.08 int 2001 4 29 0.07 0.07 ext 517 7 57 0.04 0.04 int 2002 621 Germany, Ber- 0.60 11x10 1.2 17 125 0.21 0.15 int 1999gisch Gladbach 3.1 USNO 17 134 0.22 0.21 ext 621 22 152 0.14 0.12 int 2000 19 156 0.22 0.15 ...

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• http://www.gao.spb.ru/personal/neo/eng/accuracy/data/ba.txt
• Database on Wolf numbers
• Extended time series of Solar Activity Indices

Astronomy Discussion Forums . Forums: . ... How Do You Feel About Numbers? ... Post Message | ... Posted by Richard D. Stafford, Ph.D. on September 15, 2002 16:22:25 UTC . ... Wait - harvey1 - September 15, 2002 - 22:20 UTC . I don't follow you! - doctordick - September 16, 2002 - 14:59 UTC . ... www.astronomy.net . About Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• A Number Is A Very Specific Thing - an Astronomy Net Exploration Forum Message
• The Telescope's F/number - an Astronomy Net General Forum Message
• Nothing? Beyond Numbers... - an Astronomy Net God Science Forum Message

... Some equations, identities or formulas contain small quantities , and these can be made much simpler and easier to use by sacrificing a little accuracy. ... When we derive squares, 3rd powers, 4th powers etc. of numbers larger than 1 , the results are always bigger , while for numbers smaller than 1 , the results are always smaller . ... power . ... number . ... The above also holds for negative numbers, if one understands "bigger" and "smaller" to refer to the absolute value (the value without sign...

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... This year SSAU provides 1429 state-funded places for admission in all kinds and directions of educational programs. ... In addition, SSAU Admission Committee notes the substantial increase in interest from the foreign applicants this year. The number of applications from foreign countries has already surpassed last year's totals - 76 applications. Based on the experience of admission campaigns of previous years, SSAU expects summer 2014 to enrol about 150 foreign students in the university. ...

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New reduction of minor planets photographic plates obtained with Pulkovo Normal Astrograph A.A. Berezhnoy Pulkovo Observatory of RAS, Saint-Petersburg, Russia Minor Planet observations at Pulkovo Periodical observations of 14 bright asteroids named Selected Minor Planets (SMP) were performed at Pulkovo since 1948 within the international framework started by works of B.V. Numerov and D. Brouwer. ... 108 133 113 74 124 67 97 88 14 84 64 5 20 19 Epochs (YYYY.MM) 1200 Mean values of total obs. ...

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• The Pul-3 astrometric catalogue (Second edition). Data access form.
• The Pul_ERS astrometric catalogue. Data access form
• Pulkovo Astrometrical Plate Database

Excel (and similar spreadsheets such as LibreOffice and Numbers) is very useful for playing with small amounts of data. If you find yourself handling large amounts of data, you are usually better off using a real programming language such as Python, and we will come to that later. In this lesson, you will learn how to plot and fit data with error bars in Excel. Unfortunately, details of how to plot error bars differ between different apreadsheets and even different versions of Excel. ...

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• Mach-numbers in a simulation of convection in the sub-giant Eta Boo
• Data from the Parkes Half Jansky Flat Spectrum Sample (PHFS)
• Observational Techniques Home Page

. Full screen versions . Number - magnitude counts . Number - redshift counts . | Front page | . | << - Redshift wedge | Completeness estimates - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

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• Dunk Proceedings - 2dF QSO Redshift Survey (Number-Magnitude Relation)

... GCN 8471 | ... TITLE: GCN CIRCULAR NUMBER: 8516 SUBJECT: GRB 081102: MASTER refind and final results DATE: 08/11/11 15:50:10 GMT FROM: Vladimir Lipunov at Moscow State U/Krylov Obs E. Gorbovskoy, V. Lipunov, V.Kornilov, A.Belinski, N.Shatskiy, N.Tyurina, D.Kuvshinov, P.Balanutsa Sternberg Astronomical Institute, Moscow State University A. Tlatov, A.Parkhomenko Kislovodsk Solar Station of the Pulkovo Observatory V.Krushinski, I.Zalognikh Ural State GCN Circ 8470, Lipunov et al., ...

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• MASTER-Net Science Release on prompt optical observation of the GRB 090424

home membership . SEARCH ASP SITE: Match ALL words Match ANY word . General/ Technical Membership Form for new members . Renewal General/ Technical Membership Form . Gift Membership Form (New & Renewal) . Member Change of Contact Info . ... ASP E-mail Newsletters . ... Membership Number . ... Institution (leave blank if using home address) . Department (leave blank if using home address) . Street Address . ... New Phone . ... Previous Phone . ... home | ... membership | ...

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• ASP: Good Astronomy Activities on the WWW
• ASP: Activities With Astrology: Questions and Analysis
• ASP: Indiana Jones and the Astronomers of Yore

... 101) Байки из Фидо (7) Литература (16) Листая страницы прошлого Выберите месяц Апрель 2016 (2) Март 2016 (4) Февраль 2016 (4) Январь 2016 (5) Декабрь 2015 (4) Ноябрь 2015 (3) Октябрь 2015 (5) Сентябрь 2015 (5) Август 2015 (5) Июль 2015 (5) Июнь 2015 (4) Май 2015 (8) Апрель 2015 (5) Март 2015 (4) Февраль 2015 (4) Январь 2015 (7) Декабрь 2014 (7) Ноябрь 2014 (4) Октябрь 2014 (5) Сентябрь 2014 (8) Август 2014 (8) Июль 2014 (6) Июнь 2014 (7) Май 2014 (11) Апрель 2014 ...

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• Stellarium: gTimeSpan Class Reference

... Bad Astronomy . ... News . ... In the following article, I used the wrong number to get the circumference of the Earth at the latitude of Cape Canaveral, which ironically is what I accuse Ms. vos Savant of as well! ... At the Equator, the Earth spins at 1000 miles per hour (the Earth is 24,000 miles around, and spins once every 24 hours). ... The math is a wee bit hairy, but not too bad, to calculate the circumference of the Earth at Cape Canaveral assuming the Earth is an ellipse with these numbers...

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• Phil Plait's Bad Astronomy: Mad Science
• Phil Plait's Bad Astronomy: Bitesize Astronomy

... PALMA Numbers 1 to 11 Observations of positions of stars and planets May 1984 to May 1998 including Extinction and Meteorological data Copenhagen University Observatory Royal Greenwich Observatory Real Instituto y Observatorio de la Armada en San Fernando 1999 http://www.ast.cam.ac.uk/~dwe/SRF/cmc1-11/readme.txt Informations ... Hour of right ascension (alpha, h) 4. Minute of right ascension (alpha, m) 5. Second of right ascension (alpha, s) 6. Degree of declination (delta, deg) 7. ...

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• jg0014
• jo0056
• jo1051

... The catalog contains SAO number; the right ascension and declination with a B1950.0 equinox and epoch; annual proper motion and its standard deviation, photographic and visual magnitudes; spectral type; references to sources; the Durchmusterung (DM) identifier if the star is listed in the Bonner DM (BD), Cordoba DM (CD), or Cape Photographic DM (CP); component identification; The Henry Draper (Extension) (HD or HDE) number; and J2000 positions and proper motions. ...

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• Positions and Proper Motions
• Uppsala General Catalogue of Galaxies
• Supplement to the PPM Star Catalogue

RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...

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• http://www.wdcb.ru/stp/data/sudden.com/STORM2_1968_/storm2_fmt.txt
• http://www.wdcb.ru/stp/data/solar.act/sunspot/YEARLY
• http://www.wdcb.ru/stp/data/solar.act/sunspot/info.ssn

Next: Imaging by an Optimizing Method . ... A big advantage of this numerical integrator is its stability: the error in the semi-major axis and the eccentricity depends only on the step size and does not grow with an increasing number of time steps. ... As the integration time increases, the numerical results become more contaminated by various errors. ... A new symplectic integrator produces no secular truncation errors in the actions of a Hamiltonian system. ...

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• The ASC Pipeline: Concept to Prototype
• IRAF Multiple Extensions FITS (MEF) Files Interface
• The Sociology of Astronomical Publication Using ADS and ADAMS