This document describes how number input can be given to tasks which request numbers from Hermes. ... list selection The following constants are implemented: pi 3.14159.... c speed of light (SI) h Planck (SI) k Boltzmann (SI) g gravitation (SI) s Stefan-Boltzman (SI) m mass of sun (SI) p parsec (SI) BLANK Universal undefined value The following mathematical functions are implemented: abs(x) absolute value of x sqrt(x) square root of x sin(x) sine of x asin(x) inverse sine ...

... Abstract Read data from a character column in a specified EK record. ... Brief_I/O Variable I/O Description -------- --- -------------------------------------------------- handle I Handle attached to EK file. segno I Index of segment containing record. recno I Record from which data is to be read. column I Column name. lenout I Maximum length of output strings. nvals O Number of values in column entry. cvals O Character values in column entry. isnull O Flag indicating whether column entry is null. ...

Next: Specifying Pixels in Up: MIDAS Data Structures Previous: Specifying Keywords . The MIDAS table file system is described in detail in chapter 5 of this volume. Here we just explain briefly how to access the various elements in a table file. To do so, it is necessary to specify the table name , the column and the row . ... table,column,row = value , e.g. to set the element in the 3rd row of the column labeled :XREF in the table lola.tbl to 1.234 , use lola,:xref,@3 = 1.234 . ...

read_abund,filename,abund,ref . filename . ... A set of commonly used abundance files can be found in the directory !xuvtop/abundance . abund . An array containing the abundance of an element relative to hydrogen. The elements of an array are specified by the atomic number Z-1, for example abund(0)=1.0, the abundance of hydrogen and abund(5)=the abundance of carbon (Z=6). ref . A string array containing the reference for the set of abundance values in the scientific literature . ...

... omdetect (omdetect-5.14.2) [?? Meta Index / Home Page / Source Flagging Algorithms Since the object producing a read-out streak may lie outside the image, another algorithm is also used by omdetect. ... nMin = int( 0.6 (ny + 1)) where ny is the number of rows in the image (image height) . ... Loop through all the columns of the image . ... n4 = count(image(i0, :) image(i0 + 1, :) ) Count the number of pixels along column i0 that have a greater value than their neighbour in column i0 + 1 . ...

... psrfits2fil converts AO psrfits files from the pdev spectrometer to sigproc filterbank program. This standalone routine will probably one day be incorporated in the sigproc filterbank program. psrfits data taken with the mock pdev spectrometer is scan based. ... The routine will read all of the psrfits files from a scan and output a single sigprog.fil file. ... Output to a single file with same format as input: . ... The psrfits files for the test data are located in /share/pdata1/pdev/ . ...

To read the current message: <Return> . This will display the current message, as indicated by the > symbol. To display a message by its number: 5 . This will display the contents of message number 5. To display a range of messages by number: 4-7 . This will display messages 4 through 7, starting at message 4. ... To display all the messages from a specific user: p bob . This displays all the messages in your mailbox from the user bob , starting from the first message received. ...

xyz2grd - Converting an ASCII or binary table to grd file format xyz2grd xyzfile -G grdfile -I x _ inc [ m|c ][/ y _ inc [ m|c ]] -R west / east / south / north [ r ] [ -D xunit / yunit / zunit / scale / offset / title / remark ] [ -F ] [ -H [ nrec ] ] [ -L ] [ -N nodata ] [ -V ] [ -Z [ flags ] ] [ -: ] [ -bi [ s ][ n ] ] xyz2grd reads a z or xyz table and creates a binary grdfile. xyz2grd will report if some of the nodes are not filled in with data. ... H Input file(s) has Header record(s). ...

... Arithmetic Functions . Random Numbers . String Conversion . Searching and Sorting . ... There are 4 basic integer functions: . int abs(int number); long int labs(long int number); div_t div(int numerator,int denominator); ldiv_t ldiv(long int numerator, long int denominator); . ... In practice no functions produce truly random data -- they produce pseudo-random numbers. ... The stdlib.h provides 2 useful functions to perform general searching and sorting of data on any type. ...

... The Multiple Extension FITS (MEF) file interface is an IRAF library providing facilities for general file operations upon FITS multi-extension files. ... The Multiple Extensions FITS (MEF) interface consists of a number of routines to mainly read a FITS Primary Data Unit or an Extension Unit and manipulate the data at a file level. ... Read the FITS header of a MEF file that matches the EXTNAME or EXTVER keyword values or if not specified, read the extension number `group'. ... The header filename. ...

... These are just the bare bones--just three basic ideas and rules for handling relations ("equations") involving unknown quantities whose values you are trying to find. In most calculations you try to find a number . ... To get a solution, one must replace the given equation (or equations) with others, containing the same information but cleaner in appearance. ... If you have an equation and modify both its sides in exactly the same way, what you get is also a valid equation. ...

... It may be added, subtracted, divided or multiplied in any way appropriate for ordinary numbers. A mathematical relationship involving known numbers (like 25 or 40) and unknown ones (like x ) is known as an equation . ... To get a solution, one must replace the given equation (or equations) with others, containing the same information but cleaner in appearance. ... If you have an equation and modify both its sides in exactly the same way , what you get is also a valid equation. ...

... In the first implementation of optional raw data output in CONSTRICTOR, NPOI raw data of a scan was written into a single HDS formatted file. ... Sub-scan files can still be read individually, but the standard procedure is to read and concatenate at least the time stamps and delay line metrology data from all sub-scans, and then to read the fringe data individually. get_rawdata ,[ file_spec _char ] Procedure to read raw time and delay data from one or more sub-scan files specified by file_spec . ...

There are six possible ways of object description: . a) by number(s) . ... d) by list . e) by orbital elements . ... They should be introduced as year, month, day with tenth (e.g. 20021104.1). d) Computations are performed for all objects listed in the file whose path and name should be introduced into assigned data field. ... On pressing Edit file button user has a possibility to look through the list of object elements or their coordinates and velocities to add or to change it. ...

... Example: ; ucles_read ,'aat_fram_0001.dat',1024,46,w,f ; INPUT ; file : string variable containing file name ; file contains 2 columns of wl and fl ; and EXACTLY nw * no lines. ; nw : number of wavelengths ; no : number of orders ; OUTPUT ; w ; 2d real array (nw,no) containing wavelengths ; f : 2d real array (nw,no) containing fluxes ;- PRINT ,' UCLES_READ : Reading echelle spectrum:', file w = fltarr(nw,no) f = fltarr(nw,no) ...

... 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. ...

function id2emis2id, idstr , ldbdir , dWVL = dWVL , verbose = verbose , _extra=e ;+ ;function id2emis2id ; takes an ID structure, strips it into component parts, ; reads in new emissivities, and puts them back in. ; ;syntax ; newidstr=id2emis2id( idstr , ldbdir , dWVL = dWVL , verbose = verbose ,$ ; eps=eps,/incieq,mapping=mapping,pres=pres,logP=logP,n_e=n_e,$ ; chifil=chifil,chidir=chidir,eqfile=eqfile) ; ;warning ; new ...

For all keywords that contain a red and a blue value, the blue value comes first. ... The full pathname, but without the trailing "b.fit" and "r.fit", that would be given to the next exposure if the basename argument is not given to the expose command. ccdHeaters=float,float . ... bluelambda2=float [M] . The center wavelength for the given grating: the 1 or 2 indicates the grating bay. The bluelambda and redlambda keywords match one set of these, depending on the position of the turret. ...

... Statistic files are managed using file generation sets and scripts in the ./scripts directory of this distribution. ... Each valid update appends a line of the following form to the current element of a file generation set named peerstats : . ... This keyword allows the (otherwise constant) filegen filename prefix to be modified for file generation sets, which is useful for handling statistics logs. filegen name [ file filename ] [ type typename ] [ flag flagval ] [ link | ...

... Behemoth black hole found in an unlikely place . ... black holes . ... Observing springtime deep-sky objects with a large telescope . ... Could large numbers of black holes account for much of the "dark matter" estimated to exist in our universe? ... NASA, ESA, M.J. Jee and H. Ford (Johns Hopkins University) No, because the universe never had the raw material to grow enough black holes to account for current estimates of dark matter. Get instant access to subscriber content on Astronomy.com! ...