... The Complex Ion Tail of Comet Lovejoy . ... As the name implies, the ion tail is made of ionized gas -- gas energized by ultraviolet light from the Sun and pushed outward by the solar wind. ... The effect of the variable solar wind combined with different gas jets venting from the comet's nucleus accounts for the tail's complex structure. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: comet - comet tail . Publications with words: comet - comet tail . ...

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• NGC 5189: An Unusually Complex Planetary Nebula
• Астронет > The Complex Ion Tail of Comet Lovejoy
• Astronet > Sky Map, professional edition

... The described algorithm is suitable for measurements of complex images of stars. ... a) the zero-based number of stars in the complex (multicentric) image, . b) set of preliminary coordinates - x i , y i , for all stars, index i is number of a star, . ... i - index of a star in the complex image; . ... These parameters are calculated by a nonlinear method of a least squares.The main output parameters of this algorithm are x i , y i ; where the index i is number of a star in the multicentric image. ...

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... astro-ph . ... Whitespace-separated words are treated as AND ed. Show 10 50 100 articles per page in Full Compact mode . ... Quasar Variability in the Framework of Poissonian Models . ... It is shown that in this very general framework the well established anti-correlation between variability amplitude and wavelength can only be understood as an effect of an underlying spectral component which remains stable on long time-scales, and is redder than the variable component. ...

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... V.N. Obridko . ... Solar cycle . Coronal holes . ... webmaster@izmiran.ru . ... Solar Physics 124: 73-80, 1989. ... Solar Physics 176: 107-121, 1997. ... I.M. Chertok, Hudson H.S., Mogilevsky E.I., Obridko V.N., Shilova N.S. Solar disappearing filament inside a coronal hole and associated large-scale activity . ... Contrast of coronal holes and parameters of associated solar wind streams . ... Relationship between the Contrast of Coronal Holes and Parameters of the Solar Wind Streams . ...

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• APEX/Intro
• IZMIRAN - Laboratory for ionosphere discontinuity investigation
• Pattern recognition methods in system investigation of geomagnetic phenomena

Structure of the supersmall satellites . Scientific equipment . Supersmall satellite "Universitetskiy" is manufactured by Production Corporation "Polyot" (Omsk, Russia) in the interests of Lomonosov Moscow State University. Supersmall satellite "Kompas-2" is a pilot project of multi-satellite system which is intended for prediction and motnitoring of natural and technologenical disasters. ... Composition of the scientific equipment of the "Universitetskiy" satellite. ...

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• University Satellites and Space Science Education '2006

... Spectral density of atmospheric pressure term around the FCN frequency Amplitude modulation of signal a(t ) A(t ) cos(0t 0 ) A(t ) A0 A cos(t ) A0 [1 m cos(t )] MA0 a(t ) A0 cos(0t 0 ) cos[(0 )t (0 )] 2 MA0 cos[(0 )t (0 )] 2 Annual variation of amplitude of S1 tide Semiannual variation K1; P1 1; 1 S1 (t ) A cos 2 f S1t B sin 2 f S1t Amplitude modulation of complex signal P 430 (410; 480) f 1.002324 (1.002439; 1.002083) f modulation (0.000115 0.000241) Pmodulation (8700 6100) 18.6 years? ...

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• http://www.gao.spb.ru/english/as/j2014/presentations/suvorkin.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/ding.pdf
• http://www.gao.spb.ru/english/as/j2014/presentations/perepelkin.pdf

tranback -- Transform an X,Y position from output to input pixel position using the same conventions as drizzle tranback xout yout . xout = 400 [real] . ... The X dimension of the input image (this is used to determine the centre which is the origin of the transformations). (nyin = 800) [real] . ... If "output" the input image center is mapped to the center of the output grid, rotated about that center and then shifted along the grid of the output image. ...

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• TRAXY (V0.4) --- Dec99 --- TRAXY (V0.4)
• SEEING (V1.3) --- Apr00 --- SEEING (V1.3)
• WCS2DR (V1.0) --- Jan00 --- WCS2DR (V1.0)

... Research of an atmosphere of the Earth and other planets of Solar system by optical methods . ... The long-term experience of study of atmospheres of planets of Solar system in a department of physics of planets has defined directions and methods of researches spent for laboratory . ... The tasks of laboratory are researches by optical methods of structure of a Terrestrial atmosphere, namely study of spectra of absorption of its compound radiation of natural and artificial sources. ...

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• Aspherical optics
• Dept. for Astrometry & Space Geodynamics
• The Laboratory of Astrometry

BIBO BIBO (BiB3O6) is a newly developed nonlinear optical (NLO) crystal, which has excellent characteristics for nonlinear optical applications. ... BIBO's effective SHG coefficient is about 9 times that of KTP. ... 63% 33% 47% 2370-A Qume Drive, San Jose, CA 95131, Tel: (408) 436-5558, Fax: (408) 436-5557 http://www.forealspectrum.com email: sales@forealspectrum.com BIBONLO, Rev 1.2, 2/13/2006, Page 1/2 BIBO BIBO Applications SHG and THG of middle and high power Nd doped lasers at 1064nm. ...

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• http://vega.inp.nsk.su/~inest/tmp/G3_ev.doc

Preliminary results of astroclimate parameters measurements at the Sternberg 2.5m telescope installation site V.Kornilov, N.Shatsky, S.Potanin, O.Voziakova, B.Safonov Moscow, 2008 Acknowledgements A.Belinskiy M.Kornilov A.Tokovinin M.Kuznetsov P.Kortunov E.Gorbovskoy SAI administration some SAI students Pulkovo solar station (KHSS) staff RFBR support MAVEG Gmbh Why to study optical turbulence and some other relevant ... Mean seeing by DIMM data for this night is 1''5. ...

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• . The . MASS . Group .

... Program of the Course of Radio Astronomy . Moscow State University , Physics Department , Astronomy Division , 4 th year, 60 hours in total) . ... Molecular maser emission. ... The emission of the interstellar neutral hydrogen. ... Pacholczyk, A. G. Radio Astrophysics, W. H. Freeman & Co., ... Frontiers of Astrophysics, Avrett, E. H., ed., Harvard University Press, Cambridge, Mass., ... Kaplan, S. A., Pikelner, S. B. The Interstellar Medium, Harvard University Press, Cambridge, Mass., ...

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• Passing arguments to the shell
• The Structure of HTML 3.0 Documents
• Controlling when to exit a shell script

The new view on the population of Galactic open clusters A.E.Piskunov1, N.V.Kharchenko2, S.RЖser3, E.Schilbach3, R.-D.Scholz4 1 2 3 4 Institute of Astronomy, Moscow, Russia Main Astronomical ... Observatory, Kiev, Ukraine Astronomisches Rechen-Institut, Heidelberg, Germany Astrophysikalisches Institut Potsdam, Germany What are open clusters and what do they teach us Groups of Population I ... Cluster complexes: OCC-1 = Gould's Belt cluster complex? ...

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... Exploring the physics of Type Ia supernovae through spectral analysis . ... Their progenitor scenario as well as the details of the explosion mechanism remain a mystery. ... It produces a supernova spectrum for a given luminosity, photospheric velocity, time since explosion and several elemental abundances. Tweaking these parameters to produce a spectrum that fits an observed spectrum is a complex, as of yet, manual task. ... The search space is large and complex. ...

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• IAU Commission #37 (Star Clusters and Associations)
• Gemini Near-Infrared Integral-Field Spectrograph (NIFS) Spectrograph.
• Main telescope structure

... Department Number . ... Astro Space Center . ... Telephone Number . 7(495) 333 3366 . FAX Number . 7(495) 333 2378 . ... amalin@lukash.asc.rssi.ru . ...

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• Mikheeva Elena Vladimirovna, Astro Space Center (ASC)

... 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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• Trajectory report
• Информация для прессы

... Heracles Triplane and Aerospace Systems . The key characteristics of two-stage aerospace systems are determined according to speed and carrying capacity of the aircraft-carrier used . ... So the SPIRAL system hypersonic carrier was expected to launch the second stage by weight 63 tons at a speed corresponding to 6M; whereas launching weight of the MAKS system orbital stage with the use of the An-225 MRIYA heavy subsonic aircraft reaches 275 tons, and the HERACLES aircraft - 450 tons. ...

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• Rocket Targets
• Buran Orbiter

Тема : Хвостатые гостьи 16 (коррекции орбиты) .. Показать сообщение отдельно . ... Сообщений: 19,465 . Коррекция орбиты некоторых периодических комет от 9 июля 2014 года MPEC 2014-N57 .. ... Отправить личное сообщение для Silvester . Найти еще сообщения от Silvester . ...

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• Писциды / Piscids (SPI) / Southern Piscids / Northern Piscids / Piscids complex

... public class CurveFitter . ... static int . ... Field Detail public static final int STRAIGHT_LINE . ... public static final int POLY2 . ... public static final int POLY3 . ... public static final int POLY4 . ... public static final int EXPONENTIAL . ... public static final int POWER . ... public static final int LOG . ... public static final int RODBARD . ... public static final int GAMMA_VARIATE . ... public static final int LOG2 . ... public static double f (int fit, double[] p, double x) . ...

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• UnsharpMask (ImageJ API)
• Uses of Class ij.gui.Roi (ImageJ API)
• Uses of Class ij.ImageStack (ImageJ API)

. December 10,1998 - Laminar flow units were integrated to the clean tent at IKI test area. November 15,1998 - Integration of the Clean tent at IKI test area is finished. September 25,1998 - the clean tent laminar flow units (fLeicester University, UK) are put at IKI test room. August 28,1998 - the clean tent supporting structure is assembled . August 6, 1998 - integration of the bottom level of the clean tent supporting structure . Last updated Nov. 16, 1998 by V.Arefiev, gita@hea.iki.rssi.ru .

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• SIXA acceptance tests, 2000

The starting page - The catalogues page - The list of the PUL2 fields - The list of the Pul-3(Pul-3SE) fields - The list of the PUL_ERS fields . please read short description of the access form controls . ... Right Ascension (ICRF/Tycho-2) J2000 at the central epoch of obs. (hours, minutes, seconds) (Obligatory parameter) . ... proper motion in RA (*cos(DE)) (ICRF/Tycho-2). (mas/yr) . ... Check the apropriate checkbox to output these data and radiobutton to select stars within interval. ...

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• The Pul_ERS astrometric catalogue. Data access form
• Proper motions of 59766 stars with respect to galaxies in 149 areas of the sky
• page_22