... Even with today's advances in networking, file system capacities and CD technology it is often necessary to transport and store scientific data sets on magnetic tape. The FITS data format standard contains guidelines on how to write FITS files to magnetic tape but does not address the problem of indexing or organizing tape files. ... 8--16 GB per 4mm tape). ... This paper presents a convention for writing self-describing magnetic tapes that contain FITS formatted data files. ...

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• IRAF Multiple Extensions FITS (MEF) Files Interface
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Hide Zen home . ... Index . ... Do we really need them for database indexing ? ... We need simple numbering scheme, so that for any given point we could easily calculate the number of "pixel", this is what HealPix provides and lacks HTM. ... During Rtree queries the number of index blocks read is several times greater than during Q3C queries. ... But in Q3C scheme, as we showed before, the circle is segmented, so we extract from the database only a few percents more data than occur in the circle. ...

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• NASA Web Site Privacy and Security Notices, Web Site Disclaimer, and
• SAI phone numbers
• Zen: FTS Notes

A descriptor , also commonly called a file handle is an object that a program uses to read or write an open file, or open network socket, or a variety of other devices. ... The operating system enforces a limit on the number of descriptors that a program can have open at a time. ... One is a kernel limitation, depending on your operating system you will either be able to tune the number of descriptors available to higher numbers (this is frequently called FD_SETSIZE ). ...

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• Apache module mod_status
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... Organisers: Michel Balazard (CNRS, Laboratoire Poncelet) , Xavier Caruso (CNRS, Laboratoire Poncelet) , Michael Tsfasman (CNRS, Laboratoire Poncelet, Institute for Information Transmission Problems) , Alexey Zykin (Laboratoire Poncelet, State University Higher School of Economics) . ... Number theory seminar . ... One of the goals of the semester is to convey the essential unity of the subject, especially to young mathematicians who use number theory in their research. ...

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... 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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... Tables for transformation from sidereal to universal time scale. Explanations. This page contains three little tables headed Hours Minutes Seconds respectively. Each the table have two columns: first of them is input column where time in whole time units of sidereal time is given, and second of them is output column where hours:minutes:seconds of universal time is presented. ... Example: transform 02 h 12 m 22.00 s from sidereal to universal time. ...

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• Explanation to tables for transformation from universal to sidereal time.
• Lunar phases. Explanations for Computer Ephemeris.
• Lunar pericenters. Explanations for Computer Ephemeris (DE200/LE200).

... IRAF Multiple Extensions FITS (MEF) Files Interface Nelson Zarate National Optical Astronomy Observatories Tucson, AZ 85719 (zarate@noao.edu) Abstract. ... If there are no values to match then `extver' should be INDEFL. 3.2. mef rdhdr gn (mef,group) Read extension number `group'. ... The header should have been read by now. mefo The output file MEF pointer returned by mef open. 4.2. mef copy extn (mefi, mefo, group) Copy a FITS extension given by its number `group' into an output file. ...

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• HSTPOLSIM (V1.00) --- April99 --- HSTPOLSIM (V1.00)
• MARKBACK (Aug99) --- nictools --- MARKBACK (Aug99)

Preface The necessity of the preparation and edition of such intricate publication, that is the printed version offered to the reader, of geoinformation system including the chronological catalogue and evolutionary database of the global tropical cyclogenesis is dictated, in opinion of the authors, whole number of objective circumstances. ... It derivates the serious dissensions in the initial ('raw') information as well as in databases and archives of regional cyclogenesises. ...

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• Myasnyankin Andrey , Moscow Institute of Physics and Technology (MIPT),Space
• Matyushkin Evgeny, Space Research Institute (SRI)
• Proshin Andrej, Space Research Institute (SRI)

... 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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... xs qpspec source qpoe file (xdata$rp110590n00.qp): xdata$rp110590n00.qp[ time =(1606720.00:1607479.00)] source region descriptor ():c 6947 9325 2' background qpoe file ( ): bkgd region descriptor (): a 6947 9325 3' 4' root name for output files [root_obs.tab, etc.] (): arlac_1 ds: 0 file : arlac_1_obs.tab scale: 0.00 mission: 20 seqno: CA110590P.N6 instrument: ROSAT_PSPC sub-instrument: 1 no. pha channels: 34 mean off-axis angle of events (arcmin ...

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• A quick look at tweets about JWST@SXSW
• Fit a source with a small number of net counts
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integer i,j,imax,prime_max integer, allocatable :: primes(:) write(*,*)'Input largest number for search' read(*,*)prime_max allocate(primes(prime_max)) primes=1 ! Sets all elements of array to 1 imax=sqrt(real(prime_max)) do i=2,imax do j=2*i,prime_max,i primes(j)=0 enddo enddo do i=2,prime_max if (primes(i)==1) write(*,*)i enddo end

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• Stephen Bence - home page
• Pages Template
• OptInt PmWiki : PmWiki / Basic Variables

... Insert date: . Day: . Month: . ... This CGI -script calculates a day of week of the given date, Julian date of Greenwich noon JD and extracts from the database indices of solar activity: Wolf number for the day W , monthly W m and yealy means W y of Wolf number for month and year of the date. The prediction of Wolf number (which was made in 1998 and, hence, lost actuality) is also presented. The database uses solar activity data got from server of National Geophysical Data Center . ...

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• Extended time series of Solar Activity Indices
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Astronomy Picture of the Day . The Mileage of Light . ... 28.05.2011 . ... Credit Copyright: Dennis L. Mammana ( TWAN ) Explanation: If you're driving down a dark road on a starry night, you might want to check the odometer. ... Mammana muses that in driving to countless observatories , star parties , and night sky photo shoots it has taken his 1998 vintage sport utility vehicle over 13 years to cover that distance. ... Unusual Light Pillars Over Latvia . Colorful Light Pillars . ...

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• Journal "Peremennye Zvezdy"
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• Астронет > Англо-Русский Словарь

... 2 0 1 5 Kazan, Tatarstan, Russia language English Code of participant Draw number Observational round. ... Then accelerated animation of the Moon's motion will be shown twice during 4 minutes. Moreover at the 2nd time the animation will be paused at the beginning and at the end. Answer: After that you will have 2 minutes to write an answer. ... Motion of the planets. ... Then an accelerated animation of the Sun's and planets's motion relative to stars will be shown twice during 5 minutes. ...

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• Laboratory of materials for electrochemical technologies ISSP RAS
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... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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. 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)

SAI, graduates year 1982. ... Note: when just a 7-digit phone number is shown, it refers to a phone located in Moscow (international access 007-495). "+" in front of a number means that you must dial an international access code first (or just press "+" on your mobile phone keypad). ... 939-1672(work); . ... Ataev Sasha . 1-(703)-536-8881(home) (USA); . ... Bychkov Sergey . ... 1-(410)-740-8205(home), +1-(301)-286-2150(work) (USA); . ... 1-(412)-767-0332(home), +1-(412)-608-9339(mobile) (USA); . ...

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... 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
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... 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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... Flight 1) 2) 3) Flight 1) 2) 3) model FM1 has the following parts: LNA MY-18, serial number PN 01-0252, factory number FM1; receiver box KRT-18, serial number PN 17660-01, factory number FM-001; DC-DC converters IVEP1 and IVEP2, factory number 05. model FM2 has the following parts: LNA MY-18, serial number PN 01-0252, factory number FM2; Receiver box KRT-18 serial number PN 17660-01, factory number FM-002; DC-DC converters IVEP1 and IVEP2 factory number 06. ... See Appendix 1. ... 2003. ... 2004 . ...

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• Kurt Vladimir, ASC
• Quantum Astrophysics Department of ASC of LPI Vladimir G. Kurt, ASC
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