... Gas in Thermodynamic Equilibrium Conditions. Stellar Spectrums. Physical Basis of Spectral Classification of Stars. ... The Sun. General Stellar Feature of the Sun. ... Distribution of Brightness in Solar Disc. ... Chromosphere - Observations on Limb and Disc of the Sun, Basic Elements of Structure, Spectrum, Physical State. ... Solar Corona - Observation, Structure, Spectrum, Polarization, Dynamics, Rotation, Physical Condition. ... Interstellar Dust. ... Two Groups of Big Planets. ...

The following general subroutines belong to the category MATH: . ... Evaluate Bessel function J, Y, I, K of integer order. ( bessel.c ) . ... Evaluate Modified Bessel function of integer order. ( bessel.c ) . ... Evaluate Bessel function of first kind of integer order. ( bessel.c ) . ... Evaluate Bessel function second kind and of integer order. ( bessel.c ) . ... Indexes an integer array in ascending order. ( rank.c ) . ... Indexes an integer array in descending order. ( rank.c ) . ...

. XMM-Newton Science Analysis System . xmmselect (xmmselect-2.64.9) [xmmsas_20070708_1801-7.1.0] . Meta Index / Home Page / Description . Subsections . Used tasks . Task invocation and GUI initialization . Column selections . Selection expression . Product generation and visualization . Selections from displayed products . Spatial - 2D regions from imgdisplay or dsplot . Others - 1D regions from dsplot . XMM-Newton SOC/SSC -- 2007-07-09

Next: FOURTH Example - a9999d.sls Up: SETUP & PROCEDURE FILES Previous: SECOND Example - a9999b.sls . ... a9999.log srcfile src.list # Source the standard procedure which is invoked as 'dosrc' source /share/obs4/usr/a9999/onoff.tcl # Set correlator board and mean RF center frequencies set sbfr1 1350.0 set sbfr2 1370.0 set sbfr3 1390.0 set sbfr4 1410.0 set rfcfr 1380.0 # Setup Doppler corrections dopsetfrq $rfcfr $sbfr1 $sbfr2 $sbfr3 $sbfr4 dopsetvel 0 hel dopsetrfonly dopsetdoit # ...

Next: Photometry Up: Regions and Source Parameters Previous: *imcnts* - Find counts . This task (developed for use with optical images, but also useful with x-ray data) will quickly compute location, size, ellipticity, and position angle of sources. ... User can generate contour plots of any portion of the image and count rates in slices through the image. The program is advertised as ``quick [optical] photometry''. input file: rp110590_im1.imh . output file: logfile . ... Photometry . ...

... IAU General Assembly XXVII - Joint Discussion #12 . ... IAU General Assembly XXVII . ... Recent observational and theoretical results show that the period between recombination and the end of the reionization era is very dynamic in terms of star and galaxy formation. ... Formation of the first galaxies . ... Joint Discussion 12 was part of the scientific programme of the XXVII General Assembly of the International Astronomical Union, which took place in Rio de Janeiro, Brazil, August 3-14 2009. ...

Next: Commentary Up: No Title Previous: Morlet transform of . It may be useful at this point to summarize the key formulae of wavelet transforms. Let us call the signal, the wavelet, the wavelet transform. Complex conjugation is denoted by an asterisk. The Fourier transform of a function is denoted by capital letters, and is defined in general as . Wavelet is called admissible if its norm . ... the inverse transform formula . ... Mon Nov 13 10:51:25 EST 1995 ...

... Space flight . Crew training . ... Space camp . ... mastering the theoretical principles of astronautics; . studying the main components of a manned space complex - transporting spacecrafts (of the types "Soyuz", "Shuttle", ASS (Aviation Space System), etc.), orbital complexes (of the ISS (International Space Station) type), launching complex, Flight Control Center (FCC), search and rescue complex; . ... acquiring theoretical knowledge and initial practical skills of work in spacesuits; . ...

Next: Passbands Up: Instrument configuration and Previous: Storage format . ... We need two kinds of information for filters and detectors: physical information about the instrument itself, and logical information about the way it is represented in data files -- for example, the codes used to identify filter positions. ... In addition to information about the instrument itself, the reduction program needs to know the structure of the data in their table file (see section , ``Observational data''). ...