... 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! ...

... For those users of Mongo intimidated by change, we note that in most cases it is possible to ignore the enhancements by using a macro presented in the next section. This macro redefines commands to reproduce the old syntax; for example limits is defined to mean LIMITS x y . It is also possible to read Mongo files using the READ OLD command, and the macros input and read_old based upon it. ... Vectors may be defined from the keyboard using DO loops or expressions. ...

The pnet, prun, psrv suite of programs . ... pnet -> prun -> psrv -> disc . ... It can forward commands from pnet to psrv and pass back the replies. prun starts the data taking, gets the data from the spectrometer, and passes it via a socket to the psrv program running on the file server. ... There is a psrv task for each prun task (one for each subband on a spectrometer box). prun starts psrv via xinetd by connecting to the well known port address. psrv accepts commands from pnet via prun. ...

OptInt PmWiki : Pm Wiki / Basic Variables . ... Defaults to 'AsSpaced'. ... Defaults to 'Profiles'. ... If {$FullName} is "Group.Page-Draft" then {$BaseName} is "Group.Page" $BaseNamePatterns['/-Draft$/'] = ''; # If {$FullName} is "Comments-Group.Page" then {$BaseName} is "Group.Page" $BaseNamePatterns['/^Comments-/'] = ''; . ... WikiGroup used by default (on startup) when no group is specified in the URL, as in "Main". ... Can be used to override the default date format used by the "ftime" function. ...

Adding a few refinements to the DISCals script makes a script worth adapting for your own uses. ... The exposure times and # of iterations are short so the demo runs quickly. def __init__(self, sr): Display the exposure status panel. # if True, run in debug-only mode (which doesn't DO anything, it just pretends) sr.debug = False expStatusWdg = ExposeStatusWdg( master = sr.master, instName = DIS , ) expStatusWdg.grid(row=0, column=0) # get the exposure model self.expModel = ...

... Abstract Scan a string from a specified starting position for the end of a number. ... Brief_I/O VARIABLE I/O DESCRIPTION -------- --- -------------------------------------------------- string I Any character string. first I First character to scan from in string. last O Last character that is part of a number. nchar O Number of characters in the number. ... Particulars This routine allows you to scan forward in a string to locate a number that begins on the input character first. ...

... updated April 2011 This handy little script lets you check the warranty status of your systems more conveniently than through Apple's web site. You can give it a serial number for an argument, and it will give you the date when the system is no longer covered. ... Note: If you make changes on a live computer to the ARD computer information fields, they won't show up in ARD until the ARD agent on the client is restarted (for instance via the kickstart command, or a reboot). ... 1 comments: . ...

... 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 . ...

... This chapter describes the functions that allow a plug-in to display a message on the status line, get agent information, and check on the current version of the Plug-in API and Communicator. ... Displaying a Status Line Message . ... The Communicator and Plug-in API major version numbers represent code release numbers, and their minor version numbers represent point release numbers. ... Differing version numbers may mean that the current Plug-in API and Communicator versions are incompatible. ...

... Class . ... ImageJ Plugin for reading an AVI file into an image stack (one slice per video frame) Version 2008-07-03 by Michael Schmid, based on a plugin by Daniel Marsh and Wayne Rasband Restrictions and Notes: - Only few formats supported: - uncompressed 8 bit with palette (=LUT) - uncompressed 8 16 bit grayscale - uncompressed 24 32 bit RGB (alpha channel ignored) - uncompressed 32 bit AYUV (alpha channel ignored) - various YUV 4:2:2 compressed formats - png or jpeg-encoded individual frames. ...

... This book explains how to use core and client-side JavaScript for version 1.3. JavaScript is Netscape's cross-platform, object-based scripting language for client and server applications. ... Core, Client-Side, and Server-Side JavaScript . ... Client-Side JavaScript . ... JavaScript and Java . ... Examples . ... Conditional Statements . ... Object Manipulation Statements . ... Defining Functions . ... Objects and Properties . ... Indexing Object Properties . ... Defining an Event Handler . ...

... 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. ...

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. ...

... 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 . ...

... 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 . ...

... spectrum . ... mn : main program, wh : subroutine WHOLE, in : subroutine INTEG and SFLUX, op : continuous opacities, ln : line opacities, at : atomic data, md : model atmosphere, ou : output, ot : other. ... This variable is set whenever a model atmosphere is read in, so that the default is whatever was used to compute the original model atmosphere. ... Default = 1 . ... As well as reading in the model, ionisation fractions and other depth-dependent quantities are also computed at this stage. ...

To ... Command . display the current message <Return> display message number n n display message for a specific user p user display next [previous] page of headers z [-] redisplay the mail headers h . Examples .

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" . ...

Next: A New IRAF Catalog Access Tool for Astrometry . Up: Iraf Packages . ... Twofitlines is a tool developed within IRAF, optimized to be used with data containing multiple spectra along the spatial axis of the detector. A given spectral feature can be decomposed in one or several Gaussian components. ... A given spectral feature can be modeled using one or more components (currently only Gaussian profiles are available), . ... Close spectral features could be modeled simultaneously. ...

... It adds together the first two of these numbers. If the result is greater than the # third number, it prints all three numbers out (to a file called results.d) # Otherwise it prints out a rude message # First , open the files inhandle = open ('data.d', 'r') outhandle = open ('results.d', 'w') # Now loop through all the lines in the input. for line in inhandle: allarray = line .split() # Split the line you've just read in into its component bits n1 = float ( ...