Подписка на рассылку обзоров astro-ph на Subscribe.Ru . ... Предыдущий выпуск (N335) . ... Обсудить на форуме Scientific.RU . ... Подписка на рассылку обзоров на Subscribe.Ru . Обзоры препринтов astro-ph . ... Собственно обзоры препринтов. ... Ранее обзоры также были на Астронете и на Scientific.Ru . ... АНКи доступны на Астронете , а с 2006 по 2008 г. также на сайте Элементы.Ру . ... Ранее они также размещались на сайте Астронет и в архиве моих обозрений (кодировка KOI8) на сайте Scientific.Ru . ...

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... Andromeda Island Universe . ... But without a telescope, even this immense spiral galaxy - spanning over 200,000 light years - appears as a faint, nebulous cloud in the constellation Andromeda. ... Thin Rings Around Polarized Saturn . ... How thin are the rings of Saturn? Brightness measurements from different angles have shown Saturn's rings to be about one kilometer thick, making them many times thinner, in relative proportion, than a razor blade. ... Apollo 17: Last on the Moon . ...

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. Latest HI Rez Visible Satellite Image . IR Enhanced Image of the PNW . (not always available - sorry) . 500 MB surface and the water vapor distribution: . Surface Pressures: . Extreme precipitation in 1995 and 1996 . Temperatures: Jan-Feb , Mar-Apr , May-Jun , July-August , Sept-Oct, Nov-Dec . Precipitation: Jan-Feb , Mar-Apr , May-Jun, July-Aug , Sept-Oct, Nov-Dec . Annual Precipitation Trends . The Electronic Universe Project e-mail: nuts@moo.uoregon.edu

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• U of O High Energy Physics Seminars
• Current Surface Maps
• Obstacles to Evolving on the Land: Plate Tectonics

... What work is currently being done to improve the flux calibration accuracy for echelle modes? ... Starting early in Cycle 11, monthly offsetting for echelle modes was turned off to minimize these types of calibration problems. ... We are currently working on redetermining the echelle flux calibration so that it is self-consistent with the 2-D scattered light algorithm. Time dependence of the sensitivity - Sensitivity-monitor data for the echelle modes are currently under investigation. ...

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• Dark Backgrounds
• STIS NUV MAMA Detector Dark Current
• Changes to CALSTIS Software and STIS OTFR Products

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. December 31, 1996 . Io Rotating . Credit: The Galileo Project , JPL , NASA . Explanation : Are any volcanoes on Io currently erupting? To help answer this, scientists instructed the robot spacecraft Galileo to take hourly pictures of this moon of Jupiter prior to its most recent encounter. ... About APOD > . ... NASA Technical Rep.: ...

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• Lighting plug-in
• Zen: History of tsearch2dev82
• APOD: 2006 December 6 - Spirit Rover on Mars Imaged from Orbit

... Users . ... Data Collection and Analysis . ... This particular part of the analysis has been disabled since the code is struggling to cope with the number of users seen this year, in particular the large contingent of people who have re-tweeted NASA. ... Order accounts: by user number (effectively random) by number of tweets (includes retweets) by number of followers by number of followers that also tweeted about AAS225 by number of friends that also tweeted about AAS225 . ... by user number . ...

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• A constellation of tweets from #AAS225
• Yes, it's a word cloud
• Who is tweeting about #AAS225

The "ring of fire" seen by satellite cameras around the polar caps (picture below) is probably created by electrons leaking from the tail's plasma sheet, whose magnetic field lines form a somewhat imperfect trap. ... One possible explanation involves the close association between auroral arcs and electric currents which flow along field lines between the ionosphere and distant space ( Birkeland currents ). ... That produces an extra resistance to the flow of current. ...

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• The Direction Assigned to Electric Currents
• Ionosphere [Oulu]
• Current Solar Wind Conditions

. When you log on to the system you are always placed in your home directory . At first this is your current directory. If you then change to another directory this becomes your current directory. The command pwd displays the full pathname to your current directory.

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• Example of changing a password with the passwd command
• Examples of changing environment variables: Bourne shell
• Examples of changing environment variables: BASH shell

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... Observing . ... Why do the constellations and the Moon appear upside down from the Southern Hemisphere? ... From the Southern Hemisphere, any object or constellation that lies near the celestial equator (the imaginary line that divides the northern and southern halves of the sky) would appear both upside down and reversed left to right compared to a northern perspective. ... Get instant access to subscriber content on Astronomy...

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• How were the constellation boundaries set? They appear pretty arbitrary. |
• Can you explain Mercury's retrograde motion? Do other planets appear to do this
• Why do some stars appear to flash a variety of different colors when you look

Recent Changes - Search : . VLBI Schedule . ... Observers Wiki . ... Main / . ... This severely limits total bandwidth and flexibility of the system. ... The current system uses a special "single channel" 64 MHz filter mode. Ideally all standard "continuum" modes could be used for VLBI with bandwidth/channel options of 1,4, 16 or 64 MHz . ... Flexible tied array setup with 1--6 antennas . Tied array working with all standard continuum filter band modes (ie 1--64 MHz channel widths) . ...

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• lbaops:datamanagement [ATNF VLBI Wiki]
• lbaops:lbamar2014 [ATNF VLBI Wiki]
• VLBI Wiki | Main / LBAMar2011

Changes SciSim v2.0.3 . SciSim v2.0.3 is a bug fix release of SciSim and contains only minor changes compared to v2.0.2. The input (configuration & data) files, as well as the ODF products are compatible with previous versions. ... EDUID is currently coupled to ccd id. ... Iterpretation of Quadrant and CCD numbering has changed (see also the ESIM documentation in the SciSim User Guide). ... The following README files specify the changes in the data-files and in the configuration file: . ...

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• Dark current and cooling
• XMM-Newton Current Calibration File: Updates
• Future developments

Displays the current status of the Dual Imaging Spectrograph (DIS) and allows you to change the configuration. Normally only the most common status is displayed and the configuration controls are hidden. ... Pushing the "Config" button displays configuration controls (each to the right of its corresponding item of status). Select TUI:Save Window Positions to remember the state of this checkbutton. ... Turret : current position of the grating turret. ... Grating : name of the current grating. ...

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• TUI:Instruments:Expose Window
• TUI:Guiding:NA2 Guider
• TUI:Instruments:Echelle:Echelle window

On 01may11 dana noticed that the turret floor was not moving smoothly when it passed through some turret positions. ... sample turret motor amp and speed output once/second. move turret from 26 to 339 degrees and back. do the moves at 3deg/sec, 1 deg/sec, and .25 deg/sec. The plots show the motor current and speed for the various motions (.ps) ( .pdf ): . ... black: master motor current moving clockwise (CW) . red: slave motor current while moving clockwise(CW) . ... up to turret page . ...

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• dewarTemps
• The Current CIMA Versions
• pdev_software

... Our restless globe and its companion. ... A Look at the Motions of the Earth in Space and How They Are Changing . ... Earth's rotation as viewed from above the north and south geographic poles. ... The Earth revolves around the Sun-also counterclockwise viewed from above the North Pole, clockwise viewed from the South Pole-to give us our years (see Figure 2 ). The plane of the Earth's orbit is called the ecliptic (where eclipses happen). ... Earth's orbit as viewed from the north ecliptic pole. ...

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• ASP: Current Partners
• ASP: Indiana Jones and the Astronomers of Yore

... The choice of which type of electricity is called "positive" and which "negative" was made around 1750 by Ben Franklin, early American scientist and man of many talents (the stamp on the left commemorates his role as first US postmaster--and colonial postmaster before that). ... Franklin knew of two types of electric charge, depending on the material one rubbed. ... Later, when electric batteries were discovered, scientists naturally assigned the direction of the flow of current to be from (+) to (-...

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• Auroral Images
• The Acceleration of the Aurora
• Electric Currents from Space--History

PAGE 4 Climate Change - A Personal View By Dr John Butler, Armagh Observatory Photograph taken by Karl Jordan Photograph taken by Ciara Stephens Few people in the western world, or indeed further afield, can now be unaware of the concern expressed in the media about the possible effects of climate change and, in particular, of global warming. ... So where are we now after a decade when there was so much discussion, hype and media attention given to global warming and its cause? ...

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• Armagh Observatory
• Terry Mosely's Bulletins
• Jayanne's last lecture of her current Irish IYA tour: Friday 7 August, Dublin |

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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• Current Journals and online accesses
• You can!
• How can I see the current kernel configuration?

... Bojan Nikolic web pages (r. 329) . ... casata: CASA Tools for Analysis . The most recent version of CASA. I get my from https://svn.cv.nrao.edu/casa/linux_distro/ . ... bzr branch http://www.mrao.cam.ac.uk/~bn204/alma/casata/b/trunk/ . ... Let bzr know who you are: . ... One you feel ready to share your contribution, send them to everybody using: . bzr send --mail-to=mrao-casa-devs@lists.cam.ac.uk . ... Contributing to casata . ... Copyright 2005 -- 2016, Bojan Nikolic feedback welcome ...

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• OptInt PmWiki : PmWiki / Fmt Page Name
• Atmospheric Modelling for ALMA
• OptInt PmWiki : AIV Planning | History

... 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: Brains on Vacation

To see the manner in which position of planets and their coordinates vary with time click on icons with arrows Right or Left in menu bar. ... The current moment of time and object coordinates are therewith displayed. ... Clicking on icons with symbols of sun or crescent leads to appearance of images of the Sun or the Moon in that point of the sky which correspond to their coordinates in current moment unless it lies within not displayed region; see below). ...

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