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1. PPTA Wiki | Main / Observing
View Edit Attributes History Attach Print Search . ... Observing . ... Documentation . ... PPTA timeline . ... Editing this wiki . ... Observing at Parkes is divided into two 6-month observing semesters, and proposed observations are listed in the current semester of the Parkes Observing Schedules and Rosters . ... Familiarise yourself with the current remote observing documentation listed below . ... Current PPTA remote observing documentation . John Sarkissian's Pulsar Remote Observing Guide . ...
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Ссылки http://www.atnf.csiro.au/research/pulsar/array/index.php?n=Main.Observing -- 12.3 Кб -- 12.04.2016
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2. IV International Astronomy Olympiad, Problems to solve
IV International Astronomy Olympiad . ... Text of these problems is available also . ... To solve every problem you may use constants and well-known values you know by heart. ... The apparent diameter of the Moon, as seen from the Earth, is 31'. ... Can you observe a star with magnitude . ... Consider the stars as black bodies. ... Estimate the diameter of a black hole constructed using this patent from a ship with the mass of 5000 tn (1 tn = 1000 kg). ... What stars would you observe this nigth? ...
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Ссылки http://www.issp.ac.ru/iao/1999/problems/vi99us_e.html -- 11.5 Кб -- 15.04.2011
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3. ESO - Are there any known problems with XSHOOTER data?
... Observatory . ... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > Are there any known problems with XSHOOTER data? ... Observing Facilities . ... Instrumentation Development . Future Facilities and Development . ... Observing with ESO Telescopes . ... Science Data Products Forum . ... Science Archive Facility . ... ESO Data . ... ESO Data Access Policy . ... http://www.eso.org/observing/dfo/quality/XSHOOTER/qc/problems/problems_xshooter.html . ...
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Ссылки http://www.eso.org/sci/data-processing/faq/are-there-any-known-problems-with-xshooter-data.html -- 22.1 Кб -- 10.04.2016
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4. Unsolved Problems
Next: Bibliography Up: R Coronae Borealis Stars Previous: Other Hydrogen-Deficient Stars . ... It remains to be shown that pulsations in all RCB stars provide the necessary conditions for dust nucleation to occur at this distance. ... The strength of a stellar absorption line represents the ratio of line opacity to continuous opacity in the atmosphere; both are related to the number density of the absorbing atoms and so provide the number ratio of line absorbers to continuum absorbers. ...
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Ссылки http://star.arm.ac.uk/~csj/rcrb_rev/node15.html -- 6.7 Кб -- 16.03.2000
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5. The spectrograph design and the observing procedure
... The choice of the spectrograph design (Fig.2) is determined by the quantity R, the overall dimensions of the PF cage and the restrictions on the rigidity of the structure of the device. ... As the camera's objective a fast 4-lens aplanat is used having a focal distance F cam =140 mm and a relative aperture of 1:1.8, the resolution at the centre is no less than 80 gr/mm, that over the field at a distance of 3 mm from the edge along the frame ( ) diagonal is 35 gr/mm. ...
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Ссылки http://mavr.sao.ru/hq/ssl/PFES/node4.html -- 10.4 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/PFES/node4.html -- 10.4 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/PFES/node4.html -- 10.4 Кб -- 01.10.2012
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[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/PFES/node4.html -- 10.4 Кб -- 01.10.2012
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6. Problems posed by massive stars | Astronomy.com
... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Problems posed by massive stars . ... These questions were at least part of the motivation when CУЕssio Barbosa of Brazil's University of SУ?o Paulo and Donald Figer of the Space Telescope Science Institute in Baltimore surveyed observers and theorists to see what they believed were the most pressing problems concerning massive stars. ... Get instant access to subscriber content on Astronomy.com! ...
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Ссылки http://www.astronomy.com/magazine/2006/02/problems-posed-by-massive-stars -- 63.2 Кб -- 10.04.2016
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7. MS Windows Netscape 3.0b4 KeepAlive problem solved
Date: Mon, 1 Jul 1996 16:03:06 -0700 (PDT) From: Alexei Kosut <akosut@organic.com> To: Apache Group Subject: Re: keepalive and windoze Good news and good news (of a sort).. I was able to snag a Windows 95 machine here at Organic, and tried out some things: 1) On Netscape 3.0b4, I was able to reproduce the bug, each and every time. ... Alexei Kosut <akosut@organic.com> The Apache HTTP Server http://www.nueva.pvt.k12.ca.us/~akosut/ http://www.apache.org/ . ...
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Ссылки http://neptun.sai.msu.su/manual/misc/windoz_keepalive.html -- 3.3 Кб -- 15.10.2001
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8. http://www.naic.edu/vscience/schedule/tpfiles/DjuthtagT2212tp.pdf
... T2212 Date Received: 2006-Feb-02 03:42:13 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Terrestrial Aeronomy Radar Thermosphere 102 hours Hours The Natural Plasma Line Revisited as an Aeronomical Diagnostic The proposed observing program focuses on three unresolved aeronomy problems that entail diagnostic measurements with the natural plasma line. ... Part of the observing run. ...
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Ссылки http://www.naic.edu/vscience/schedule/tpfiles/DjuthtagT2212tp.pdf -- 47.6 Кб -- 08.02.2006
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9. Dubna-2003: Unsolved problems in plane geometry
... Во время Великой Отечественной войны в представлениях к полководческим орденам писали: "смело и решительно обходя очаги сопротивления, не ввязываясь в затяжные бои, проник далеко вглубь обороны противника". Так и наука наша, математика, ушла далеко вперед; в некоторых областях, чтобы понять даже условия задач, нужно учить лет 10 специальный язык сложнее Китайского. ... О некоторых таких задачах и пойдет речь. ...
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Ссылки http://www.mccme.ru/dubna/2003/courses/markelov.html -- 2.3 Кб -- 06.08.2003
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10. An Inexpensive Dobsonian Slow Motion Control
... Despite the use of counterweights, I have had ongoing problems with preventing unwanted motion in altitude, particularly during star parties when everyone seems to want to lean on the telescope while observing. ... After some difficulties at a windy star party a few years ago at the Boston Museum of Science, I designed a simple and very effective altitude brake and slow motion control which can be assembled very quickly and at minimal cost. ... The other end of the arm attaches to a turnbuckle*. ...
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Ссылки http://www.atmob.org/library/member/JoeR/DobSlowMoControl.html -- 3.3 Кб -- 10.06.2006
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11. Introduction
Next: Model of clusters Up: paper2 Previous: paper2 . ... It allows estimating different microphysical properties of scatterers (size, complex refractive index, shape, etc.) from measured characteristics of the scattered radiation. ... The complexity of the direct problem depends on its input parameters characterizing the shape, size and structure of the scattering particle. ... Next: Model of clusters Up: paper2 Previous: paper2 root 2003-04-11 ...
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Ссылки http://www.astro.spbu.ru/DOP/A-PERC/PAPER2/node1.html -- 5.3 Кб -- 19.11.2010
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12. Lecture 10: Problem Solving Stategies, Contact Forces ctd and Friction
Contact forces are dicussed in Chapter 4 (both editions), Friction in seciton 4.8 (and not really covered much in 2nd edition). The problem solving strategy is described in the extra notes below.
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Ссылки http://www.mso.anu.edu.au/pfrancis/phys1101/Lectures/L10/index.html -- 1.8 Кб -- 02.10.2012
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13. ARC 3.5-m Instrument News Page
... There are still a few items on a punch list of things to be completed. ... Sometimes recovery is quick and other times the instrument self corrects itself just by sitting idle. ... As of August 30, 2013, the 3.5-m has implemented a TAI time standard in all the instrument headers. ... ARCES . ... 2015-11-30: The slitviewer computer problems appear to be intermittent but are quickly resolved by the observing specialist. ... The instrument is available again . ... 2015-10-26: Vacuum not soft. ...
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Ссылки http://www.apo.nmsu.edu/arc35m/Engineering/index.html -- 11.2 Кб -- 04.04.2016
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14. Slide 9
. First page Back Continue Last page Summary Graphics .
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Ссылки http://www.arcetri.astro.it/~lt/projects/pres_arch/venezia_may01/text8.htm -- 1.9 Кб -- 11.09.2007
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15. Imaging by an Optimizing Method
... Up: Algorithms . ... The imaging problem can be described as an optimizing problem in mathematics. ... Computer simulations of rotating modulation collimator imaging show that the quality of images from this method is better than that from the traditional cross-correlation method. ... The imaging problem is: . ... The results show that this algorithm can be used in the imaging problem and usually results in a better image than that obtained from a traditional method such as cross-correlation. ...
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Ссылки http://www.adass.org/adass/proceedings/adass96/cheny.html -- 10.6 Кб -- 23.06.1998
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16. East Siberian Center for the Earth's Ionosphere Research. Problems of the IS
Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... A most promising problem is to investigate the interaction of two VHF powerful radiowave beams in the ionosphere, whose difference frequency is equal to the plasma frequency in some ionospheric area (that is, the difference frequency is taken in the range 1-8 MHz). ... Two-frequency interaction effects are based on radiowave non-linear mixing, which is rather complicated when describing and modelling the experiment. ...
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Ссылки http://rp.iszf.irk.ru/esceir/isr/theoren.htm -- 5.2 Кб -- 04.06.2001
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17. Multipoint correlations of the solar wind parameters observed by several
The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...
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Ссылки http://www.iki.rssi.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
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18. Kinematics of galaxies: catalogue
. Back to A.Zasov's homepage.
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Ссылки http://neptun.sai.msu.su/~zasov/menucat.html -- 1.7 Кб -- 15.01.1999
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19. (Untitled)
... The package AMPLE (Adaptable Minor Planet Ephemerides) is dedicated to solving a number of problems concerning minor planets with the aid of IBM-type personal computer. ... Obtaining selection of orbital elements and/ or photometric parameters of minor planets in conformity with imposed restrictions. ... The orbital elements of all minor planets used in AMPLE for 2015 have been determined in IAA on the ground of available observations in the catalogue of observations of the Minor Planet Center. ...
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Ссылки http://www.ipa.nw.ru/PAGE/FUNDAMENTAL/LSBSS/winample_guide/user9rzm.htm -- 8.2 Кб -- 10.04.2016
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20. Tycho Brahe Measures the Sky
Astronomy Picture of the Day . ... 15.09.1996 . ... Credit: Tycho Brahes Glada Vдnner Explanation: Tycho Brahe was the most meticulous astronomical observer of his time. ... To do this he and his assistants created the first major astronomical observatory where they devised and used the most accurate pre-telescopic astronomical instuments. ... Brahe is also remembered for witnessing a supernova in 1572, showing that the Great Comet of 1577 was not an atmospheric phenomena, and for his metal nose . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/1996-09-15 -- 13.8 Кб -- 15.10.2005
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