Computer Ephemeris. Second order reduction quantities. Explanations. This page consist of four little tables. First and second tables contains J a (in 0.000001 s ) and J d (0.0001") for nothern declination, third and fourth contains the same information but for southern declination. Each table have 13 informational columns headed with right ascension values, and some amount of rows, labelled with date. ...

... Make up at least 5 data points, each with an x value, a y value and an uncertainty in the y value. ... Right-click on the top of the column containing the x-data and drag your mouse to the bottom of the column to select it. ... You must first enter the Positive Error Value (the `up error bars') ­ click at top of the column of y error values and drag down to select all of the values (in the above screenshot the y error values are in the column labeled ). ... Let's try fitting a straight line. ...

... RECOMMENDED VALUES OF PHYSICAL CONSTANTS AND CONVERSION FACTORS. ... This reference must be included when these constants are used in a context where their full accuracy is important. ... elementary charge (of proton) . ... gravitational constant . ... unified atomic mass constant . ... of electron . ... of proton . ... Planck constant . ... Rydberg constant, m 0 2 m e e 4 c 3 /8h 3 . ... fine structure constant, m 0 e 2 c/2h . ... Bohr radius, h 2 ( pm 0 c 2 m e e 2 ) . ... Bohr magneton, e h /2m e...

... Explosions Discovered Near Galactic Center . ... X-ray Moon and X-ray Star . ... An X-ray star winks out behind the Moon in these before and after views of a lunar occultation of the galactic X-ray source designated GX5-1. ... Apollo 15: Driving on the Moon . ... Apollo 15's Home on the Moon . ... The lunar module shown above, named "Falcon," served as home for Apollo 15 astronauts David Scott and James Irwin during their stay on the Moon in July and August 1971. ...

... ON THE ROLE OF LARGE-SCALE PLASMA IRREGULARITIES AT THE FINAL STAGE OF ANOMALOUS ABSOPTION DEVELOPING UNDER HF HEATING OF THE IONOSPHERE . ... Fig. ... With the aid of numerical statistical modeling based on multiple ray tracing it is shown that in presence of large-scale irregularities the reflected signal amplitude mean value is increased significantly. ... Dependence of the mean amplitude of the reflected from the ionosphere signal on the large-scale (10-50 km) electron density irregularity level...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . Short term Prediction of Powerful solar Flares Weather Forecasts for Irkutsk region . SHORT TERM PREDICTION OF POWER SOLAR FLARES FROM SSRT DATA . The algorithm for short term prediction of powerful solar flares, based on SSRT data, includes microwave emission characteristics in total and polarized flux, the structure of active region (AR) magnetic field at the photospheric level, and H a patrol data. ...

... SMIS ] . 2005 Fires in Ykutsk Region 01-07/07/2005 . ... 2002 Fires in Zabaikalie 03/05/2003 . ... 2002 Fires in Ykutsk Region 8-18/07/2002 . 2002 Fires in Irkutsk Region 11-12/05/2002 . 2002 Fires in Amur Region 10-11/05/2002 . ... 1999 Fires in Irkutsk Region 19/05/1999 . 1999 Fires in Stavropol' Region 15-16/10/1998 . 1998 Fires in Kkabarovsk Region 2-9/10/1998 . 1998 Fires in Sakhalin Region (northern part) 16-25/09/1998 . 1998 Fires in Saratov Region 9-13/07/1998 . ...

... The imaging chip of the Trifid Camera is read out, one well at a time, by a 16-bit Analog to Digital Converter (ADC). ... Daniel) Zero bias, 500 millisecond flash: 2,000 bias, 500 millisecond flash: Zero bias, 50 millisecond flash: 2,000 bias, 50 millisecond flash: Zero bias, 5 millisecond flash: 2,000 bias, 5 millisecond flash: Zero bias, 0.5 millisecond flash: 2,000 bias, 0.5 millisecond flash: In the first set of images, which used a 500 millisecond flash, there is little difference. ...

The ESA/ESO Astronomy Exercise Series 2 . The Distance to Messier 100 as Determined by Cepheid Variable Stars . ... The small variations in distance to the individual Cepheid variable stars in the Cloud are negligible compared with the much larger distance to the SMC. ... In this way Cepheid variable stars can be used as one of the 'standard candles' in the Universe that act either as distance indicators themselves or can be used to calibrate (or set the zero point for) other distance indicators. ...

... New engineering model of the feed system is under development now. ... Appendix (The list of used acronyms) ASC Cold Plate DC Astro Space Center of Lebedev Physical Instutute cooled LNAs and antenna feed hermetic device container (part of payload); it contains Formatter, Rb oscillators, synthesizer, control unit and is placed under dish DM Device Module = DC + H-maser EGSE Electronic Ground Support Equipment Electronic Complex ­ all SRT electronics EM Engineering Model FC Focal ...

... Top Attractions of Russia . ... We sincerely hope the situation will improve and we are planning to include these regions as soon as it becomes possible. ... Southern Urals (including Bashkir State Reserve) . ... Eastern Sayan Mountains (including Tunka Range) . ... Altai Mountains (including Lake Teletskoe, Altai State Reserve, Katun Range) . ... Sub-Polar and North Urals and virgin forests of North of European Russia (including Yugyd-Va National Park and Pechora-Ilych National Reserve) . ...

... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...

... 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. ...

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 . ...

... All circuit parameters have been presented in a symbolic form. ... To use the program you will need a CIR file (PSpise, DesignLab file) of your circuit. CIR file examples have been enclosured: bpasside.cir, test1.cir, test2.cir, test3.cir, test4.cir, laksamp.cir, bridge.cir, uA741acf.cir, quartz.cir. ... Ideal operational amplifier (nullor) * Nname n1 n2 n3 n4 * * In the ideal op amp data, (n1,n2) represent output nodes, * (n3,n4) represent input nodes (noninverting, inverting). ...

... 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 . ...

... 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. ...