Next: Inspection of results Up: *fit* - Fit Data Previous: Verbose Mode . If the number of net counts for a source is less than it is impractical to fit the data in all 34 energy bits. However, if the flux is required, then a fit must be performed first. ... Fit will then calculate the normalization of the model and xflux can be used to determine the flux and luminosity of the source from the best fit model. xs> fit rebin=yes . ...

... 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. ...

... Some commands are not yet documented. bin . ... expose . ... number . ... If basename is not specified, the filenames are determined by the ICC's path , name , places , and number If neither red nor blue is specified, both images will be saved. ... Returns: basename , name , number path , places . ... For example, with path= /export/images/DD01 , name= bias. , places= 3 , and number= 11 , the blue image file would be /export/images/DD01/bias.011b.fits . ... name , number , places , path , basename ,...

... The pinhole simulation program is a computationally and memory intensive task. ... A parallel version was developed instead, to enable distributed processing on a cluster of workstations. The program makes use of the Message Passing Interface (MPI) standard for parallel processing, implemented as an API (Application Programming Interface) to the Local Area Multicomputer (LAM) programming environment developed at the Ohio Supercomputer Center. ...

program quantum use nag_f77_f_chapter implicit none integer, parameter :: dp = kind(1.0d0) integer :: nbasis integer :: n, m, lwk,ifail real(dp), parameter :: pisqon4 = 2.4674011002723397d0 real(dp), allocatable :: h(:,:),s(:,:),e(:),wrk(:) write(*,*) 'Enter number of basis functions: ' read(*,*) nbasis ! allocate arrays lwk = 3*nbasis allocate(h(nbasis,nbasis), s(nbasis,nbasis), e(nbasis), wrk(lwk)) ! ... array indices start at one h = 0.0d0 ; s = 0.0d0 do m=0,nbasis-1 do n=m,nbasis-1 ! ...

Astronomy Discussion Forums . ... A Number Is A Very Specific Thing . ... Post Message | ... Posted by Harvey on October 9, 2002 16:41:15 UTC . ... When you use the word 'number', you are introducing a specific kind of symbol that is known within the context of mathematics. ... You know what - harvey1 - October 9, 2002 - 20:53 UTC . ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... 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. ...

... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

... 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 . ...

READ.ME: program hom_c (version 4.3q2a) %%% -------- %%% %%% Light Scattering by Spheroidal Particles %%% ======================================== %%% %%% Calculations of extinction, scattering and absorption %%% efficiency factors for prolate or oblate homogeneous spheroids. ... Transfer 1996. ... Farafonov V.G., Voshchinnikov N.V., Somsikov V.V. %%% Light scattering by a core-mantle spheroidal particle, %%% Applied Optics 1996. ...

function [P,T0]= lafkin ( file , ncol ,pmin,pmax, ncycl , Ydir ); % % % % Function call: [P,T0]= lafkin ( file , ncol ,pmin,pmax, ncycl , Ydir ); % OR % lafkin ( file , ncol ,pmin,pmax, ncycl , Ydir ); % % Datafile structure: % 1st column - JD % 2 ,3 ,4, ..., columns - data to process (light, color, rad. vel. curves) % % Input: file - filename (write as 'V001.DAT') % ...

... 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...

... 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. ...

Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... 2/3-m Telescope . ... Site . ... Commanding . ... In a typical robotic observing scenario, each afternoon, a telescope control computer obtains a set of objects to observe from its home institution from a command or script file. ... The file is then transferred to the telescope control computer at the Winer Observatory in Sonoita. ... The Iowa control computer then begins processing the telrun.sls file. ... 2013 Winer Observatory. ...

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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... 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 . ...

The Mileage of Light . ... 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. ... That's the number of miles light travels in one second . ... 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. ... NASA Web Site Statements, Warnings, and Disclaimers . ...

... History-NASA Centers . ... STS Recordation Oral History Project . This effort involved the collection of history from key individuals formerly and currently associated with the agency?s Space Shuttle Program (SSP), focusing on the Space Shuttle Orbiter and its related components. ... Space Shuttle Main Engines Chief Engineer and Project Manager, Marshall Space Flight Center, Huntsville, AL . ... Space Shuttle Main Engines Project Manager, Marshall Space Flight Center , Huntsville, AL . ...

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. ...