... Three day radio-astronomical forecast of the proton activity of the Sun: The figure shows multiwave radio emission scans - graphs of the distribution of intensity I and circular polarization V across the solar disk, obtained at RATAN-600. ... According to this criterion, for a proton flare to arise, the flux of radio emission must be sufficiently high at short wavelengths (blue color scans) and should increase with time compared to the general intensity. ... More about the solar activity . ...

Masses of asteroids 10 Hygiea and 152 Atala obtained by the dynamical method . ... Masses of asteroids 10 Hygiea and 152 Atala have been obtained by the dynamical method. ... m 152 = 1.34 0.27 (10 -11 Sun )]. ... Very Long Baseline Interferometry (VLBI), Small Solar System Body (SSSB), mass of asteroids 10 Hygiea, mass of asteroids 152 Atala, the dynamical method, perturbing asteroids, the additional acceleration, the Yarkovsky effect, elimination of erroneous observations, optical observations. ...

The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...

Next: Multiple Mother Chirplets: The Up: THE CHIRPLET Previous: Gaussian Chirplet Transform (GCT) . We have been using the frequency shear operator, which we obtained through multiplication by a linear FM chirp. ... The full continuous chirplet transform (CCT) is defined in the same manner as ( 10 ): . ... Again, the law of composition artin of any two chirplet operators (multiplicatively) follows by virtue of the fact that both represent affine coordinate transformations of the TF plane. ...

Astronomy Picture of the Day . Jupiter's Ring Halo . ... Hale-Bopp from Indian Cove . ... M101: The Pinwheel Galaxy . ... Why do many galaxies appear as spirals? ... A Rusty Sunset on Mars . ... The unusual color is partly due to rust: oxidized iron from Martian dust circulating in the Martian atmosphere. ... The collision of this fast moving wall of gas with.. ... A Martian Sunset . ... The above pictures taken by Mars Pathfinder highlight how clouds vary during the end of a Martian day. ...

... Algorithm for selection of defining sources 1. ... Take the common part of the "minimum" sets Make 1. and 2. for both global solution and time series and obtain common set 319 common sources for "global solution sigmas" case Comparison of IAA list, and 380 sources OPA list, set of defining sources ICRF1 and combined set Solution · Given catalogue RA, DE, arbitrary catalogue ra, de. dRAi RAi ra i Algorithm can be improved with additional condition Sum over all deltas less than 1 degree. ...

. Do visit the Old Shanghai . Grant of Chinese Academy of Sciences obtained . Grant of President of Russia obtained . Fulbright grant obtained . Do visit the new section upon the history of Moscow (russian) .

AUTOMATED CREATION OF THE LUNAR HYPSOMETRIC MAP: TECHNIQUES OF COMPILING. ... And the second one is the database, obtained from the raster images of the Lunar Subpolar regions (higher than latitude ±60°) where brightness of each pixel depends on its height [1]. ... Due to these reasons it was necessary to develop the special 10-stage methodology of data processing and map compiling. ... The height data were obtained and the lunar hypsometric map was created according to the 10-stage methodology. ...

... Direct data transmission rate (Mbps) . ... the density of electron fluexs with energies in four bands from 0.04 MeV to 1.7 MeV; . ... sensor (TV, IR) data and heliogeophisical information (HGI) transmission to data receiving and processing centers at a rate of up to 2.56 Mbps; . ... 1.76 GHz - TV- and heliogeophysical information and DCLI's data transmission to data receiving and processing centers; . 7.5 GHz - TV- and heliogeophisical data transmission to data receiving and processing centers; . ...

Communications For Your Astronomy Event . Articles | ... GMRS has been around for many many years. ... If you are reading this you probably do not care about the old school and are only interested in what GMRS has to offer for your basic communication needs. ... However, you really only need to pay attention to the "Well Known Channel" the radio manufacturers like Cobra, Uniden, Midland, etc. seem to have agreed on. ... Channel . ... 462.5625 MHz . ... 5.0 Watts . ... www.astronomy.net . ...

The most up-to-date information related to atmos 3.0 are collected here due to constantly increasing interest to MASS/DIMM processing software... atmos 3.0 is still beta , so the latest version is 2.97.5 (there is also 2.98.x branch which absorbs new features) . ... M' line: . ... free seeing and its relative error . ... dimm seeing and its relative error (if dimm data are present, zeros otherwise) . ... dimm turbulence power and its relative error (if dimm data are present, zeros otherwise) . ...

... Experimental base . ... The experimental base of the investigations is the topside sounding data obtained on board of the Intercosmos-19 and Cosmos-1809 satellites. ... It carried on board the following scientific payload: satellite ionospheric station for radio sounding of ionosphere (IS-338) and apparatus for the measurements of low-frequency electromagnetic field (VLF-2ME), electric component of high-frequency field (AHF-2K), electron temperature (KM-3), and spectrometer of photoelectrons (SF3-M)...

... We study an algebraic equation P (x, y ) = 0 over a field Fp , where p is a prime. ... p We study the upper bound of the number solutions of the polynomial equation, such that x g1 G, y g2 G. The estimate #{(x, y ) | ... This estimate was obtained by a different method in the paper [1]. ... 3] (With S. Makarychev) The number of solutions of polynomial equation over the field Fp and new bounds of additive energy // Proceedings of the Conference Diferential Equations and Related Topics, 2015, p. 24-26...

... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...

... We suggest simple method of the selection of distant galaxies based on their radio properties. ... RC0015+0503a , RC0015+0503b , RC0015+0501 , RC0034+0513 , RC0038+0449 , RC0042+0504 . ... RC0105+0501 , RC0110+0500 , RC0117+0503 , RC0126+0502 , RC0133+0459 , RC0135+0450 , RC0137+0539 , RC0143+0505 , RC0152+0453 , RC0154+0459 , RC0159+0448 . ... RC0209+0501b , RC0213+0516 , RC0226+0512 , RC0250+0512 . ... RC0302+0456 , RC0308+0454 , RC0311+0507 , RC0318+0456 , RC0355+0449 . ...

Stellarium 0.12.3 . ... FileљStructure . ... core . planetsephems . elliptic_to_rectangular.h . ... 8 љ obtained from above and rearranged it into this piece of software. ... 19 љ copy of this software and associated documentation files (the "Software"), . ... 53 љ elem[0] .. unused (eigther a or n) . ... K=e*cos(Omega+omega) . ... 70 љ void EllipticToRectangularN( double mu, const double elem[6], double dt, . ... 72 љ void EllipticToRectangularA( double mu, const double elem[6], double dt, . ...

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Lisnyky observatory of A&SPD is located in the village of Lisnyky in Kyiv region. AZT-8 (right) Diameter 0.7 m, Newton, Cassegren. ... Spiral jets of comet Hale-Bopp have been observing on the 3-rd of April, 1997 with 70-cm reflector and image intensifier, time of exposure: 1 second, field of vision: 1.5 minute of arc. This color image was obtained with Fuji color film (Super Plus 400) in focal plane of the 70-cm reflector (F = 27 m) at Lisniki Observatory by A.M.Evtushevsky. ...

Teacher checklist for external trips Children 1. Numbers attending 2. Departure time ________________________________________________ 3. ... Parental permission slip signed and returned 8. Parental permission for photographs gained/not gained 9. Arrangements agreed for children with special needs 10. Parent/Guardian contact details obtained (in case of delay, or emergency) 11. ... Emergency contact number for school ____________________________________________________________ ...

Click here for a PDF version of Richard Berry's talk. Universe 2001: Results of Saturday Evening Imaging . ... Support data for calibrating the CCD consisted of eight bias frames and four 60-second dark frames. ... To rescue the images, we processed and registered the four 15-second integrations and the 60-second integration separately. ... The 60-second images were then registered to the composite of 15-second images to produce the image M11-COMBO.FTS. ...