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41. Yu.S. Ilyashenko homepage
... Proof of the Dulac's conjecture: Polynomial vector field in the real plane has but a finite number of limit cycles. The proof of this short statement requires a book [44] published by AMS in 1991; it was the subject of the talk in the ICM-1990. ... The proof of the same conjecture given by Ecalle and based on the ideas of the four authors appeared in a book published in 1992. ... Generation of limit cycles under perturbation of planar Hamiltonian systems. ...
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Ссылки http://www.mccme.ru/~yulijs/scientific.html -- 8.6 Кб -- 25.12.2003
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42. http://curl.sai.msu.ru/mass/download/doc/pmt_param_eng.pdf
... 2 Measurement of PMTs counting characteristics and selection of op erating p oint To select the operating point of the PMT, that is the optimal values of the high voltage supply and pulse discrimination threshold, the command run counting=hv value is provided in the program mass. ... Starting with the minimum voltage (say 550 V) run command run counting=550 for the measurement execution. ... It is recommended to take measurements for the set of values of 0.4, 0.6, 0.8, 1.0. ...
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Ссылки http://curl.sai.msu.ru/mass/download/doc/pmt_param_eng.pdf -- 111.1 Кб -- 12.09.2015
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43. Press release
... 09.03.2001 . ... March 09 2001 09:00 (Moscow time) . The operations scheduled on OC "Mir" for March 8 are complete. The recent telemetry data confirmed that the complex remains pressurised, the thermal mode is normal, the onboard systems perform norminal. Enough electricity is generated to maintain the onboard systems operation and measure orbit parameters. The OC "Mir" onboard systems were checked out, orbit radio monitoring performed. Currently, the OC "Mir" is in free drift. ...
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Ссылки http://www.mcc.rsa.ru/www_old/Mir/www_eng/MIR/BNO/Arhiv/Inform_press0903.htm -- 3.5 Кб -- 28.05.2014
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44. Biosphere: Analysis of Value Parameters
... Публикации и издания Публикации профессорско-преподавательского состава СГАУ Издания проф. Сосниной Т.Н. Biosphere: Analysis of Value Parameters . ... Besides, the ways of saving the use value and value properties of biosphere are analyzed. The expediency of transformation of two-criterion theory of value into the three- criterion theory of the balance of value, where the ecologic component performs the function of the key criterion has been founded. ... BIOSPHERE USE VALUE OF THE PRODUCT: MAIN . ...
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Ссылки http://www.ssau.ru/resources/sotrudniki/sosnina/mono14/ -- 80.9 Кб -- 10.04.2015
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45. http://zebu.uoregon.edu/1999/ph161/mflood.html
... a major flood of the entire Upper Mississippi River basin which resulted in very wide spread agricultural and commercial damage. On August 10, an enormous plume of turbid river water was detected extending eastward from the Mississippi River delta region. River water discharged on the western side of the delta flowed eastward around the south side of the delta, joining additional river water discharged from passes on the south and east sides of the delta. ...
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Ссылки http://zebu.uoregon.edu/1999/ph161/mflood.html -- 2.6 Кб -- 23.02.1999
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46. SDSSJ1430: A Galaxy Einstein Ring
... SDSSJ1430: A Galaxy Einstein Ring . ... Credit Copyright: A. Bolton ( UH/IfA ) for SLACS and NASA / ESA Explanation: What's large and blue and can wrap itself around an entire galaxy? A gravitational lens mirage. ... More normally, such light bending results in two discernable images of the distant galaxy, but here the lens alignment is so precise that the background galaxy is distorted into a nearly complete ring. ... NASA Official: Jay Norris. ... MACS 1206: A Galaxy Cluster Gravitational Len . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1228940 -- 16.2 Кб -- 28.07.2008
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47. Font Style Elements
... The <B> element specifies that the enclosed text should be displayed in a boldface. ... The <I> element specifies that the enclosed text should be displayed, if practical, in an italic font (or slanted). ... The <SMALL> element specifies that the enclosed text should be displayed, if practical, using a small font (compared with normal text). ... The <SUB> element specifies that the enclosed text should be displayed as a subscript, and if practical, using a smaller font (compared with normal text). ...
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Ссылки http://comet.sai.msu.ru/webdesign/html-3.0/emphasis.html -- 3.2 Кб -- 19.12.1996
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48. VaST homepage
... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...
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Ссылки http://scan.sai.msu.ru/vast/ -- 122.2 Кб -- 21.02.2016
[ Сохраненная копия ] Ссылки http://saistud.sai.msu.ru/poisk/ -- 122.2 Кб -- 21.02.2016
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[ Сохраненная копия ] Ссылки http://saistud.sai.msu.ru/poisk/ -- 122.2 Кб -- 21.02.2016
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49. Vladimir Marsakov Abstracts
... Using the uvby -photometry and proper motion data for about 5500 F stars within 80 pc from the Sun, we have studied velocity ellipsoid parameters and obtained the following results. 1) The sizw of all wllipsoid semiaxes increase systematically for groups of stars with the decrease of both temperature (at constant metallicity) and metallicity (at constant temperature). ... As a result, each of the three parameters - temperature, metallicity and velocity dispersion - is an age indicator. ...
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Ссылки http://ip.rsu.ru/~marsakov/abs/abst22.htm -- 5.4 Кб -- 02.02.2007
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50. VISTA ETC - Exposure Time Calculator
... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...
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Ссылки http://www.vista.ac.uk/observing/etc/index.html -- 15.1 Кб -- 28.03.2013
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51. http://www.accuracy.puldb.ru/200912/C000.HTM
... 1.7 GSC 084 Pulkovo Obs., 0.33 15 x 15' 1.0" 7 34 0.179 0.307 Normal Asgr. 3.0 UCAC 118 Slovakia, 0.57 14 x 10' 1.7" 3 12 0.090 0.145 Modra 3.3 USNO 127 Germany, 0.19 30 x 20' 2.4" 3 15 0.151 0.087 Bornheim 0.8 GSC 168 34 200 0.282 0.315 291 USA,Kitt Peak, 1.8 390 x 30' 1.0" 1 5 0.143 0.144 Spacewatch II 4.7 USNO 300 Japan, 0.5 78 x 78' 2.3" 7 36 0.420 0.447 Bisei Center 1.3 ACT 461 Hungary, JATE 0.60 28 x 19' 1.1" 6 22 0.124 0.153 Asteroid Surv. ... Polynesia 1.0 UCAC F85 Tiki Obs., ...
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Ссылки http://www.accuracy.puldb.ru/200912/C000.HTM -- 13.5 Кб -- 14.12.2010
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52. Galaxy sector, archive 1995
... 1995: . ... for the first time a magnetic field was registered on normal white dwarfs. ... A study of variability of the first galactic superluminal radio source GRO J1915 +10 with the RATAN-600 showed a delay of flare activity at 3 frequencies of 5-10 days after the X-ray flares with an inversion of the radio spectrum. ... The distribution of linear dimensions of clouds in the first approximation is power-law. The distribution of clouds by concentrations depends on the galactic latitude. ...
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Ссылки http://www.sao.ru/Doc-en/Science/results/ar_galaxy/res1995.html -- 7.0 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/Science/results/ar_galaxy/res1995.html -- 7.0 Кб -- 10.04.2016
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53. How Good An Astronomer Do You Need? - an Astronomy Net Education Forum Message
Astronomy Discussion Forums . Forums: . Atm ћ Astrophotography ћ Blackholes ћ Blackholes2 ћ CCD ћ Celestron ћ Domes ћ Education . ... How Good An Astronomer Do You Need? ... Post Message | ... So solar astronomy works with adaptive optics only when adaptive optics are not really needed to get good images, a negative result. ... 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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Ссылки http://www.astronomy.net/forums/education/messages/104.shtml -- 15.1 Кб -- 09.04.2016
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54. The NMW survey homepage
NMW survey overview . Access image archive . ... The New Milky Way survey aims to detect bright (V<13.5) optical transients near the Galactic plane using an automated wide-field (8x6 deg.) system capable of surveying the whole Milky Way area visible from the observing site in one night. ... All images obtained during the transient search survey are available online (please use the image archive access form ). ... Images per field: . ... Images per night: . ... Milky Way imaging time: . ...
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55. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BF424A3B9-AEDE-46B9-8EBD-311077EA7A40%7D
The two insets are Hubble Space Telescope images of a normal dwarf galaxy (upper left) and a recently discovered ultra-compact dwarf galaxy (lower right). ... The background shows the Fornax galaxy cluster, where seven ultra-compact dwarf galaxies have been found. Background: Arna Karick (University of Melbourne), Michigan Curtis Schmidt Telescope; Insets: HST ...
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56. Performance Tuning Tips for Digital Unix
Below is a set of newsgroup posts made by an engineer from DEC in response to queries about how to modify DEC's Digital Unix OS for more heavily loaded web sites. ... Our experience (running such Web servers as altavista.digital.com and www.digital.com ) is that there is one important kernel tuning knob to adjust in order to get good performance on V3.2C. You need to patch the kernel global variable "somaxconn" (use dbx -k to do this) from its default value of 8 to something much larger. ...
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Ссылки http://neptun.sai.msu.su/manual/misc/perf-dec.html -- 14.0 Кб -- 15.10.2001
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57. Data bases of Natural Satellites. Documentation. Structure
Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...
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Ссылки http://lnfm1.sai.msu.ru/neb/nss/DocStructe.htm -- 11.4 Кб -- 18.05.2009
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58. The new concept of formation and development of the Solar system
... part 2 | ... Part 1 . The new concept of formation and development of the Solar system. ... Thus, the initial pulse of the rotation of a protosolar cloud of the solar system was determined as a result of the diversion of a part of the moment of the rotational pulse of the Galaxy. ... Besides this new approach to the pre-solar system as a system of the destroyed vortex structure, we can understand now a number of other peculiarities of the Solar system's structure. ...
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Ссылки http://www.lermus.ru/users/trunaev/part1.htm -- 28.0 Кб -- 04.12.2001
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59. Phil Plait's Bad Astronomy: Mad Science
... Bad Astronomy . ... Mad Science . ... Universe Today . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... type 1a supernovae seem most useful . ... This is a bright, massive star that explodes after fusing all the light elements in its core. ... That means we can calculate how far away it is. ... This is exactly what we are trying to do with these supernovae; look far enough away that any deviations from flatness of the Universe can be seen. ... Phil Plait . ...
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Ссылки http://www.badastronomy.com/mad/1998/omega0_sn.html -- 20.5 Кб -- 09.04.2016
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60. ASP: What If the Moon Didn't Exist?
... I normally begin by asking the class what they think would be different if the Moon didn't exist, or if the Sun were closer to Earth, or if a star exploded nearby. ... The winds would be much stronger. ... In using what-if questions in the classroom, it is worth bearing in mind that students extrapolating the effects of new scenarios will encounter two different situations: direct changes to the new version of Earth and indirect changes resulting from the direct changes. ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/33/moon3.html -- 11.2 Кб -- 02.10.2012
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