Next: Information Missing or Incorrect Up: Getting Data In and Previous: FITS Tapes and Miriad . For visibility data, the current version of fits can cope with both single- and multi-source files, with single or multiple antenna configurations (earlier versions of fits were more limited). ... Task fits does not read or use AIPS calibration tables (SN, CL, BP, and BL). ... By default the AIPS task to write FITS files, FITTP , writes to the directory /DATA/FITS . ... Read in visibility data . ...

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The CCDs and their associated signal chains have readout noise levels (in the absence of signal shot noise or interference) of approximately 5e - . The analog-to-digital converter is highly accurate, and makes virtually no contribution to the read noise, other than the normal information loss caused by digitization of the signal. ... Note that all calculations of sensitivity in this manual assume gains of 7 and 14 for two gain channels, choices very close to the measured gains. ... 0.41 . ...

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Blackholes2 Forum Message . Forums: . ... Black Holes Easy Reader. ... To have a Black Hole first you must decide that gravity always is the same no matter how strong it gets. ... So Black Holes may have different sizes. ... Black Holes are a very emotional idea for many of the people who think they are smart and right messages here. ... www.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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... 7a. Fluorescent lamp . ... Plasma is sometimes called "the fourth state of matter", beyond the familiar three--solid, liquid and gas. It is a gas in which atoms have been broken up into free-floating negative electrons and positive ions , atoms which have lost electrons and are left with a positive electric charge. ... The hotter the gas, the faster its atoms and molecules move, and at very high temperatures, the collisions between such fast-moving atoms are violent enough to rip off electrons. ...

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Next: Writing FITS Up: Conversion between FITS Previous: File naming . The INTAPE -command is used to convert FITS (or IHAP) files to the internal MIDAS format: INTAPE file_list id device [flag] . where file_list is a list of absolute position numbers of files (if input is from tape) to be read with 1 being the first file ( e.g. 1, 3, 5, 50-60 would read from the 1st, 3rd, 5th file plus files 50 through 60 included), and id is an identification prefix of the names of the files created. ...

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. To read your mail enter the command: mail . A summary of your messages, made up of mail headers is displayed. At the bottom of the screen is the mail prompt " " at which you enter the commands that allow you to read your mail. Example . Reading the top of each message . Reading other mail files .

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... comedi_data_read -- read single sample from channel . ... int comedi_data_read (comedi_t * device, unsigned int subdevice, unsigned int channel, unsigned int range, unsigned int aref, lsampl_t * data); . Reads a single sample on the channel specified by the Comedi device device, the subdevice subdevice, and the channel channel. ... The function comedi_data_read() reads one data value from the specified channel and places the data value in the location pointed to by data. ... comedi_data_write ...

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... The sensor runs uncooled. ... Test Set-up NGC Prototype for L3 Read-out 2 L3 with and without Gain Multiplication Gain versus Phase Shift D ependence L3 Gain from H V C lock S hift [ P ixel C lock 1000 ns ] 30 25 20 L Gn 3 ai 15 10 5 0 0 20 40 60 80 100 120 140 160 180 R$2_HV to R$2 [ Re la ti ve Shift in ns ] Gain = 1/27 = ~ 0.037 @ assume 10MHz clock and phase noise of 2ns and therefore a gain change of 1 (equal behavior of clock phase to 1MHz) Shot noise Gain Noise = SQRT(N) = 0.037 * N | ...

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... Directives | ... Apache HTTP Server Version 2.4 . ... ext_filter_module . ... mod_ext_filter directive to define a filter # to HTML-ize text/c files using the external # program /usr/bin/enscript, with the type of # the result set to text/html ExtFilterDefine c-to-html mode= output \ intype=text/c outtype=text/html \ cmd = /usr/bin/enscript --color -W html -Ec -o - - Directory /export/home/trawick/apacheinst/htdocs/c # core directive to cause the new filter to # be run on ...

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... Corresponding authors will receive an e-mail with a PDF file of paged proof for checking and correction. The file can be read and edited using Adobe Acrobat Reader (version 9 and higher) which can be free downloaded via the Internet ( http://get.adobe.c om/reader/ ). ... You can use text correction tools to make corrections (after selecting the necessary text fragment). ... For users of Adobe Reader 9: . ... to insert text without replacing the existing text, use the "Insert text at cursor" tool. ...

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... This is called disk buffering , and the memory used for the purpose is called the buffer cache . Since memory is, unfortunately, a finite, nay, scarce resource, the buffer cache usually cannot be big enough (it can't hold all the data one ever wants to use). ... On the one hand, data that is written is often soon read again (e.g., a source code file is saved to a file, then read by the compiler), so putting data that is written in the cache is a good idea. ...

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• Want to observe? Read the guide given by Tolis | International Year of
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... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

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... 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. ...

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ntptime [ -chr ] [ -e est_error ] [ -f frequency ] [ -m max_error ] [ -o offset ] [ -s status ] [ -t time_constant ] . This program is useful only with special kernels described in the A Kernel Model for Precision Timekeeping page. It reads and displays time-related kernel variables using the ntp_gettime() system call. ... Display the execution time of ntptime itself. -e est_error . Specify estimated error, in microseconds. -f frequency . ... Display times in Unix timeval format. ...

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... slconv (slconv-2.2) [xmmsas_20080701_1801-8.0.0] . ... slconv srclisttab=srclist.ds radiusexpression='RATE/10.0' . ... slconv srclisttab=srclist.ds radiusexpression='RATE/10.0' expression='(ID_BAND==0)&&(!(isnull(EXT)))&&((ID_INST!= ... slconv srclisttab=srclist.ds radiusexpression='RATE/10.0' expression='!(isnull(EXT))' withncut=yes ncutsortexpression='EXT' ncut=10 . ... slconv srclisttab=srclist.ds radiusexpression='RATE/10.0' outputstyle=gaia extragaiacolumns='RADEC_ERR COUNTS EXT EXT_ML' . ...

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• Algorithm

... This fifo maintains two write pointers. ... This is the skid necessary to stop the pack_ fifo // from putting stuff into pi_ fifo . hwm is probably set to // something like 24-26. module pi_ fifo ( wr_ck , wr_reset, wr, wr_early, wr_di, wr_dip, wr_okay, wr_over, wr_under, preg_pfifo_lwm, preg_pfifo_hwm, preg_dma_bl, rd_ck , rd_reset, rd, rd_early, rd_do, rd_dop, rd_okay, rd_cnt, rd_over, rd_under ); input wr_ck ; input wr_reset; input wr; input wr_early; input [31:0] wr_di; ...

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• University of Bristol: Lecturer/Reader in Astrophysics (Two posts) - jobs.ac.uk
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... The Chinese would certainly not have invented the magnetic compass. ... Chemically and mineralogically, the lodestone is magnetite, a massive type of iron ore, an oxide of iron, a mineral related the the brown stuff coating the magnetic disks and tapes used by computers. ... But even then, just resting a few million years in the Earth's magnetic field would produce no magnetization. ... Still, as Gilbert observed, in a long iron rod that magnetism was channeled to the ends, where it could be noted. ...

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... This book uses many authentic sources such as factual texts, newspaper articles, features and TV schedules, instruction manuals, everyday signs, stories, quizzes, emails and diary entries. ... Чернила для принтера HP HP Photosmart 425. цвета: Cyan, Magenta, Yellow, Black, емкость баночек - по 100 мл. ...

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Main Page Data Structures File List Data Fields Globals . ... int . read_oi_array (fitsfile *fptr, char *arrname, oi_array *array, int *status) . Read OI_ARRAY fits binary table. More... int . read_oi_target (fitsfile *fptr, oi_target *targets, int *status) . ... read_oi_wavelength (fitsfile *fptr, char *insname, oi_wavelength *wave, int *status) . ... read_next_oi_vis (fitsfile *fptr, oi_vis *vis, int *status) . ... read_next_oi_vis2 (fitsfile *fptr, oi_vis2 *vis2, int *status) . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Earth Satellites . ... September . ... Posted on September 24, 2010 | No Comments Sub-orbital space tourism took a step forward on Monday 22 March 2010 when Virgin Galactic?s first spaceplane, VSS Enterprise, took to the air for the first time. ... Continue Reading.. ... 1 Comment We all know how the Sun, our Earth and the rest of the Solar System condensed out of a vast protoplanetary disc some 4.5 billion years ago. ...

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