... Preliminary results demonstrated uncorrected DSB noise temperature of the Nb-AlN-NbN SIR below 250 K at frequencies around 600 GHz August 30, 2006 ASC-2006 Seattle Nb-AlN-NbN SIR 3EG08 2 TELIS - TErahertz LImb Sounder TELIS Objectives: Measure many species for atmospheric science (ClO, BrO, O3, HCl, HOCl, etc); ...

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. Next: Pulse Widths Up: Integrated and single pulse Previous: Integrated and single pulse .   . Huge variations from pulse to pulse . Integrating several 100 forms a stable profile . Integrated profiles differ widely . Basic model includes core + cone . Slice in different ways to get various profiles .     . Figure 54: Integrated pulse profiles . Jon Bell . Thu Dec 19 15:15:11 GMT 1996

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... 2008 May 12 . The M81 Galaxy Group Through the Integrated Flux Nebula . ... Explanation: Large galaxies and faint nebulae highlight this deep image of the M81 Group of galaxies. ... Around the image many other galaxies from the M81 Group of galaxies can be seen. ... This whole galaxy menagerie is seen through the faint glow of an Integrated Flux Nebula , a little studied complex of diffuse gas and dust clouds in our Milky Way Galaxy . ... About APOD | ...

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• APOD: 2012 March 13 - The M81 Galaxy Group Through the Integrated Flux Nebula
• APOD: 2002 December 8 - The International Space Station Expands Yet Again
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Since the light from galaxies represents the integrated contribution of its consitutient stars, then we can learn about stellar populations in galaxies by modelling their light by summing up individual stellar spectra for different kinds of stars. ... The data cover the wavelength range 3500 - 9000 angstroms. ... Retrieve Digital Stellar Spectra Click on the appropriate spectral type. ... Note that the designation V means main sequence, IV means subgiants, III means giants, I means supergiant. ...

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... In order to disentangle the effects of different climate variables on tree-ring growth rates of different species, and to explore the possibility that more than one species could improve the accuracy of the reconstructions of climate using tree rings, a methodical study of trees in close proximity to the Armagh Observatory climate station was initiated together with Ana Maria Garc?a Su?rez, and continued as part of the latter's PhD thesis with John Butler and Professor Mike Baillie (QUB). ...

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... We can investigate projection of this distribution onto the celestial sphere in two ways: in terms of lines of constant SN frequencies per one square degree for all galaxies from the sample (Figure 36 ), and in terms of constant GW amplitudes at a given SN frequency per square degree (Figure 44 ). ... Figure 45: The sky distribution of the total supernova frequency from nearby galaxies in terms of lines of equal frequencies per square degree. ...

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A linefeed for the AO spherical dish (with Radius R=870ft) is placed R/2 feet below the center of curvature. Concentric rings on the dish focus energy at different places on the line feed. ... The picture below is for a plane wave at the center of curvature of the dish. ... The ray goes along line A (blue),hits the dish, reflects back along ray B (magenta), and then intersects the line feed a distance y (red line) from the paraxial point (R/2 feet below the center of curvature). ... Fig top. ...

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ASTP PROJECT . On July 17, 1975, for the first time in the history of mankind, space vehicles belonging to different nations - the Soviet and the American space vehicles Soyuz-19 and Apollo - have performed rendezvous and docking to deploy into an integrated orbital complex. ... Appointed Project Managers were: for the Soviet part - K.D. Bushuev, a Corresponding Member of the USSR AS, for the American part - Doctor G. Lanny. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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NGC OPTICAL SOFTWARE Claudio Cumani NGC Presentation - 2008, July 16 Differences btw IR and OPT detector controllers: intrinsic 2 "Exposure" handling Optical Rigid scheme for exposures (wipe - integrate - ["move charges on detector while integrating"] - read ). Active intervention of the control-server during the exposure is ti ti th th required (application of new voltages in each state). ... Starting an exposure = starting transfer and storage of data. ...

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The dust properties in the Large and Small Magellanic clouds (LMC/SMC) are studied using the HERITAGE Herschel Key Project photometric data in five bands from 100 to 500 m. Three simple models of dust emission were fit to the observations: a single temperature blackbody modified by a power-law emissivity (SMBB), a single temperature blackbody modified by a broken power-law emissivity (BEMBB), and two blackbodies with different temperatures, both modified by the same power-law emissivity (TTMBB). ...

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An ephemeris can be calculated with different accuracy. Calculation accuracy dialog presents three modes of accuracy. One can calculate position of a minor planet by the formulae of elliptic motion starting from the fundamental set of elements for given minor planet. ... Also there is possibility to calculate positions taking into account perturbations from different sets of perturbing bodies by numerical integration ( Integration mode). ... Accuracy of integration is equal to 10**(-10) AU. ...

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Next: Sky Subtraction Up: Construction of Flat Previous: Standard construction . For a number of projects where very deep integrations and accurate flat fields are required, and the targets are point sources or much smaller than the frame size, the sky background itself can be used to calculate the flat field. ... Use STATISTICS/IMAGE to calculate the image median, and COMPUTE/IMAGE to divide by this to get the normalised flat field. ...

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Some recent results ( see ) attracted the attentions of astronomers working on field which could benefits from photon counting techniques with high speed and spatial resolutions as adaptive optics. ... Fasti has been designed to be fast and largerly configurable. ... The data rate attined in the best case (30 Mhz), give no impossible load to the digital acquisition in the photon counting mode, since data are 1 bit only, they can be parallelized, giving a maximum speed of about 940.000 32 bit word/sec. ...

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... We have developed an integrated system that performs astronomical observations in Near Infrared bands operating two-dimensional instruments at the Italian National Infrared Facility's ARNICA and LONGSP . ... The user interface is organized as widget-based X11 client. ... 1993; Di Giacomo et al. 1993). ... Moreover, if the interprocess communication interface includes support for networking, the software immediately becomes network distributed software. ... DESQview/X User Guide 1993, Quarterdeck . ...

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... The M81 Galaxy Group Through the Integrated Flux Nebula . ... Large galaxies and faint nebulae highlight this deep image of the M81 Group of galaxies. First and foremost in the wide-angle 12-hour exposure is the grand design spiral galaxy M81, the largest galaxy visible in the image. ... Colorful NGC 1579 resembles the better known Trifid Nebula, but lies much farther north in planet Earth's sky, in the heroic constellation Perseus. ... The Seagull Nebula . ... Warped Spiral Galaxy ESO 510 13 . ...

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... Clearing the library. Note the different flooтАж . Sidebar Left . Sidebar Top . ... Title: Clearing the library. Note the different floor levels. There were at least 4 different levels of underfloor in the library. Description: NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ... NOTE: All images and movies are copyright and must not be reproduced or mirrored in any form without written permission. ...

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. There are several different shells available for Unix; the most popular are described here. You can use any one of these shells if they are available on your system. And you can switch between the different shells once you have found out if they are available. Bourne shell (sh) . C shell (csh) . TC shell (tcsh) . Korn shell (ksh) . Bourne Again SHell (bash) .

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... Archives . ... If you do not mind the time predictor, it is hard to believe that this is a light curve, time dependent data. ... It?s hard to say this data set is designed for time series analysis apart from the complication in statistical inference due to measurement errors. How to design the statistical study with measurement errors, huge gaps in time, and unequal time intervals is complex and unexplored. ... The following is R output without measurement errors. ... Chandra Blog . ...

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... A detector map is used to provide a grid of positions over which to calculate and flux weight the ARF. The default detector map is 'flat' which has a weighting of 1.0 for each detector map pixel and is rectangular having sides which just encompass the region specified in the DSS. Only detector map pixels falling within the source region are included in the ARF calculation, e.g. for a circular source box, the pixels in the corners of the detector map will be ignored. ... flat : . ...

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... 18-Jan-2010 17:22 . ... Apache/2.2.3 (CentOS) Server at www.wdcb.ru Port 80 ...

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