... Oscillation frequency versus hour angle (0 to 10Hz) (.gif) : . Oscillation frequency versus hour angle (0 to 2 Hz) (.gif): Project p2160 is looking at giant pulses from the crab pulsar with high time resolution using a fancy oscilloscope. ... The plots show the results: To look at the change in the total power oscillations, the spectrum of the total power was computed in 100 second sections (we ended up with 90 100 second sections). ... Oscillation frequency versus hour angle (0 to 2 Hz) (.gif): . ...

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• pulsedPwrIntoAlfa
• rotaPlatToSky
• high resolution decimation test

... Bad Astronomy . ... I think I will break from my usual format of Bad Astronomy/ Good Astronomy by saying that the way we define seasons currently is not strictly bad, but I feel (in my opinion!) that it could be better. The definition of when the seasons begin is at the moment of solstice or equinox; that is, winter (in the north) starts on December 22 nd and summer starts on June 22 nd . ... Now imagine breaking up the Sun's 46 degree up-and-down yearly swing into 1 day intervals. ...

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• Phil Plait's Bad Astronomy: Bitesize Astronomy

Comedi Documentation . ... Right to the source: #include <stdio.h> /* for printf() */ #include <comedilib.h> int subdev = 0; /* change this to your input subdevice */ int chan = 0; /* change this to your channel */ int range = 0; /* more on this later */ int aref = AREF_GROUND; /* more on this later */ int main(int argc,char *argv[]) { comedi_t *it; lsampl_t data; it=comedi_open("/dev/comedi0"); comedi_data_read(it,subdev,chan,range,aref,&data); printf("%d\n",data); return 0; } . ...

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• LWN: Driver porting: Timekeeping changes
• LWN: Porting device drivers to the 2.6 kernel
• LWN: Changes to the USB driver API for the 2.5 series kernel

Changes in the WFPC2 observation scheduling system were introduced early in 1999 primarily in order to increase the scheduling efficiency of HST observations starting with Cycle 8. First, the South Atlantic Anomaly (SAA) contours used to limit WFPC2 observations have been modified slightly. ... This change results in a 3% increase in designated SAA-free orbits, which allows better scheduling efficiency, and is expected to impact negatively less than 0.1% of WFPC2 science observations. ...

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• Archive for September
• Debugging Batch LRP crashes
• Change of Supported Apertures for E230H

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Jupiter . ... Observing . ... Sky this Month . ... Opportunityт??s devilish view from on high . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... What causes the highly differentiated color banding on Jupiter? ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Opportunityт??s devilish view from on high | Astronomy.com
• The year's Top 10: a deeper look | Astronomy.com
• How is it that in space, despite the Sun's presence, the surroundings look

. XMM-Newton Science Analysis System . sas (gui-1.52.8) [xmmsas_20060628_1801-7.0.0] . Meta Index / Home Page / Reference documentation You can alter the look and feel of the GUI by changing the used fonts or using a different style for the buttons, menus etc... Subsections . Supported styles . Supported fonts . XMM-Newton SOC/SSC -- 2006-06-28

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• Change history

... You are here: start €Ё difx €Ё ivs2016extras . Trace: тАв ivs2016extras . difx:ivs2016extras . ... Make high resolution spectra of baseband channels . Inspect VDIF data headers . ... The program and output text file containing the spectrum is documented in Reference Manual sections 5.50. This program works on many varieties of VLBA baseband data (including the Mark5B data in the first dataset), but does not work on VDIF data with multiple threads (e.g., from the second dataset). ...

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• Package: panel
• difx:todo [ATNF VLBI Wiki]
• Package: construct

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE CHANGING UNIVERSE: EVOLUTION HAPPENS! . c) Changes in the Universe . ... In a universe that is not evolving, we should see as many of these hyper-active galaxy cores in each period of cosmic history. ... An Ancient Universe - Table of Contents . ... The Ancient Universe - The Age of the Expanding Universe - The Age of the Oldest Stars - The Age of Light From Distant Galaxies - The Age of the Chemical Elements | ...

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• ASP: Effecting Global Change
• ASP: Egg Balancing at the Equinox: Good or Bad Astronomy?
• ASP: This Restless Globe

... This project was my personal idea quite some time ago: to port XFree86 , the free and optimized X11R6 implementation to OS/2. ... XFree86/OS2 is now available as a public version 3.3.6, which does not expire and for which full source code is available. ... x.physics.usyd.edu.au Please send a mail to me with a complete URL if you have set up a ftp server or a mirror for XFree86/OS2. ... Available ported software . ... I'll still be available as the mediator between XFree86/OS2 and general XFree86. ...

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... Each ferrule will be used to plug approximately 300 holes. We must be sure the ferrules will not wear excessively during use; 1 mil reduction in diameter of a ferrule is enough to reduce light throughput by approximately 1%. ... Stainless steel ferrules offer lower precision (which will lose us approximately 1/2 to 1% light compared to ceramic), but they are relatively inexpensive, readily available with the hole diameter we require, and immune to cracking. ... Hence the wear was not very deep. ...

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• Appendix B

OptInt PmWiki . ... Tech Meet 4 . ... Page History | ... MROI Delay Line Design Contract . ... Design Documentation . ... Preliminary Design Review . ... Return to Tech Meet 4 ( Edit ) . ... May 21, 2010, at 05:16 PM by jsy1001 - . ... Attendees: JSY, MF, ADR, CAH, DFB, EBS, XS, DMAW . ... ADR: Top-down image quality and stability budgets, by component . ... ADR & CAH: Use tolerancing results to assign image quality and stability budgets by component . ... Camera Thermal Control Issues (MF) . ...

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• OptInt PmWiki : Tech Meet 5 | History
• OptInt PmWiki : Tech Meet 2 | History
• OptInt PmWiki : Tech Meet 4

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... It turns out one possibility is a form of matter/energy invented by Einstein in the 1920s to make sure his equations of General Relativity did not predict the Expansion of the Universe. Although Einstein was willing to predict several things with his equations of General Relativity, he obviously thought an expanding Universe was too much, and so he invented the Cosmological Constant, which repels itself, and was meant to balance the force of gravity, and make the Universe static. ...

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• Changing the top-end
• Proposed Facility

... Winter 2003 . ... We also invoke abelian flavour symmetry to explain the order of magnitudes of the R-parity violating parameters and investigate whether this scenario is compatible with the data. 4:00 pm, 472 Willamette Hall . ... return to top . ... These measurements rely on the unique features of the SLD experiment, especially the high resolution CCD vertex detector, the micron size beam spot, and the Cherenkov Ring Imaging Detector used for particle identification. 4:00 pm, 472 Willamette Hall ...

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• Rainfall in Eugene Oregon
• University of Oregon Center for High Energy Physics - Group Talks, Papers, and
• Impulse and Time

The HyperNews Linux KHG Discussion Pages . Forum: The Linux Kernel Hackers' Guide . Keywords: KHG should reflect current changes in the linux kernel . ... I have read version 0.6 completely but so much has changed in the 1.3.xx kernels that for experienced linux kernel hackers KHG no longer is all that useful. I thinks this is high time we should do a complete overhaul of KHG so that it reflects current changes in the linux kernel especially in the areas such as memory management. ...

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• Converting Modules from Apache 1.3 to Apache 2.0 - Apache HTTP Server
• The Face on Mars
• You can!

emulateapj.cls, version 05/12/14 . ... ApJ has moved its publishing to IOP and they have slightly changed the formatting. To implement these changes, call emulateapj with the iop option, use \ documentclass [iop]{ emulateapj } Other available options: [chicago] - (default) typeset as was done in the University of Chicago Press [twocolumn] - (default) two-column mode [onecolumn] - main text in one-column mode [ apj ] - typeset as for main journal [apjl] - (default) typeset as for ...

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• The AstroStat Slog Blog Archive Change Point Problem
• The AstroStat Slog light curves
• Who is tweeting about #AAS225

To change to using another printer for the current login session: PRINTER=ps2 . ... To change to using another editor for the current login session and inform (export) this value to other programs which use it: EDITOR=vi export EDITOR . This changes the user's default editor to vi and exports this value to other programs - such as electronic mail - which make use of it. To change to using another pager for viewing files the user adds the following lines to their .profile file. ...

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• Changing to another directory
• Examples of changing environment variables: Korn shell
• Examples of changing environment variables: BASH shell

... The Helix Nebula from Blanco and Hubble . ... The shapes of planetary nebula like the Helix are important because they likely hold clues to how stars like the Sun end their lives. ... As the Moon rose and the Sun set on October 8, a lunar eclipse was in progress seen from Chongqing, China. ... From the early hours of October 8, over the Santa Cruz Mountains near Los Gatos, California, the totally eclipsed Moon shows a range of color across this well-exposed telescopic view of the lunar eclipse. ...

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spaceweb@oulu.fi - last update: 20 November 1998, 1440 UT (RR) . The 'space weather' have been coined to point out that many of the phenomena studied in space physics have also important practical consequences (e.g., Davenport, 1996). In addition to the geomagnetic activity , also changes in the atmosphere , or even comets and man-made debris in space, can be of importance. ... The other serious consequence of bad space weather is the possibility of damage to Earth orbiting satellites. ...

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• The Face on Mars
• Global change [Oulu]
• Auroral Images

... Hidden Hollow 2008 . ... Prizes . ... door prizes! ... May 2 - 4, 2008 . ... The Hidden Hollow weekend Star Party at Warren Rupp Observatory . ... As always, we raffle our door prizes by allowing you to purchase tickets for only the items you select. ... Your door prize raffle ticket purchase is key to continuing the Legend of Hidden Hollow. We'd like to thank all of our fine guests from 2005 on for their generosity in raffle ticket purchases and have allowed us to venture into a 2008 star party! ...

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• Hidden Hollow 2008 FAQs
• The M111 - "On Line"