Astronomy Discussion Forums . ... God and Science ћ SETI ћ Software ћ UFO ћ XEphem . ... SETI Assumes ET Doesnot Care About Can Being Detected What If . ... Post Message | ... My search on how to go undetected in space and SETI Search for Extraterrestrial Intelligence SETI. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... PULSE@Parkes . ... The project does not assume any detailed prior knowledge of pulsar astronomy though students should have studied astronomy as a component of Stage 4 Science (Years 7-8). ...

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• gpboot
• Frequency Handling
• Australia Telescope National Facility

... Searching for Far Out and Wandering Worlds . ... The Real Reality Show: Would aliens be anything like us? ... The SETI Institute is after alien signals. Assuming another world is beaming a 1-million-watt radio signal in our direction, how far away can that source be before the signal is lost in intergalactic noise? ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

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... In this section, we develop a physical model of the secondary as a disk that is centrifugally supported in the radial direction and hydrostatically supported in the vertical direction. We assume that the disk is vertically isothermal and well mixed. ... where is the mean molecular mass of the gas, is the orbital period at the outer edge of the disk in years, and all of the mass of the secondary has been assumed to be concentrated near its center, so the Keplerian approximation is valid. ...

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• *fftplot* - Plot power vs. frequency
• Chandra Images for G008.3+00.1
• The AstroStat Slog PDF

... The first task assumes the searching for chemical composition and sizes of particles which give the wavelength dependence of the extinction efficiencies close to the observed dependence of . Figure 7: Wavelength dependence of the extinction efficiency factors for homogeneous spherical particles of different sizes consisting of astronomical silicate and amorphous carbon. The dashed segment shows the approximate wavelength dependence of the mean galactic extinction curve at optical wavelengths. ...

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• Polarization properties (transmitted radiation)

IKI RAN Radar Image Collection . ... Wavelength(s)/Frequency(ies)/Band(s) . L and C band : 1.25 GHz / 0.24 m; X band : 9.60 GHz / 0.031 m . ... Full images: calibrated absolute NRCS . ... Image center: L and C band : 55°2.3' N 16°36.4' E; X band : 55°4' N 16°22' E . ... Image size: L and C band : 7656pxl*7995pxl; X band : 1888pxl*8196pxl; pixel size: 12.5m*12.5m . File size: L and C band : 234 MB per frequency and polarization; X band : 60 MB (assuming 4 byte float array, full resolution) . ...

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• sirclcx9404171621
• sirclcx9410071225
• sirclcx9410040713

... We present a computer program for modelling energy flux distribution and light curves of eclipsing binaries from far ultraviolet to infrared regions. The Roche model is assumed. Proximity effects of components (reflection of radiation and surface gravity darkening) are taken into account. ... Figure 1: The surface temperature distribution for Algol A-B system before (upper plot) and after (lower plot) correction for temperature due to the irradiation effect. ...

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• ADASS 2002 Conference Proceedings

... In brief: the frequency-dependent radiative transfer equation is solved for a dust under assumption of spherically-symmetric geometry for its distribution taking into account particle size distribution and quantum heating effects for the very small dust particles. ... Table: Model parameters for IRAS04296+3429. ... parameter . ... hot dust shell) . ... The best fit to the spectral energy distribution of IRAS04296 is shown by heavy solid line (see Table2 for details concerning parameters of the model...

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• Mars-1
• Installation and Configuration
• A Method of Integrating

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... A sample of our new eclipse observations phased on our new ephemeris (section 4.2) Vertical grey bars indicate ingress and egress of the main accretion spot. ... When combined with published eclipse times and archival data spanning тИ®27 years, we detect departures from a linear and quadratic trend of тИ®60 s. The departures are strongly suggestive of two cyclic variations of 16(3) and 5.25(25) years. ...

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• Abstract
• SCL Sfit SYN Commands
• Spectrum

Appendix B: The Effects of Thermal Changes on the "Absolute" Position of the Secondary . ... I will use the same nomenclature for the rod forces here as I used in Appendix A. In Appendix A, the axial force balance equation at the horizon was shown to be . ... The quantity that we really wish to derive is , where is the rod elongation at some initial epoch (i.e. when the rods were first tensioned) and where is the rod elongation at some later time after the rod temperatures had changed. ...

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• Pointing error budget
• Appendix A
• Telescope Tracking Smoothness

Astronotes Armagh Planetarium's Stellar Blog! ... Space Flight . ... Science Fiction . ... The New Horizons science team€а is inviting everyone worldwide to vote for the names that will be given to the most prominent features on Pluto and Charon, Pluto?s largest moon. The pre-listed names are€а an eclectic mix from mythology and the literature and history of exploration. You can even nominate names to be added to the list. ... Yuggoth (H. P. LovecraftтАЩs name for Pluto) . ... Name * . ...

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... Find here a description of how to setup a new operational dfos installation. ... Therefore, we focus on the aspect of how to adapt the .dfosrc file and assume that anything else is then simply copied from the old ("reference") site to the new installation. ... dfos . ... click on 'download dfosExplorer' ; click on 'Save link target as' ; download dfosLog.tar into your $DFO_INSTALL_DIR; untar it (tar -xvf dfosExplorer.tar). click on 'description: dfosExplorer' and read the documentation . ...

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• Batch queue system CONDOR
• Quick Guide
• Synthetic Star Forming Region HRDs

... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...

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Astronomy Picture of the Day . ... The unassuming star centered in this sky view will one day be our next door stellar neighbor. ... Spot The Planet . ... OK, it's a picture of the Sun (duh!), but can you spot the planet? Of course, most of the spots you've spotted are sunspots, as large or larger than planet Earth itself. ... Moon Struck . ... M83: The Southern Pinwheel Galaxy from VLT . ... Rhea: Saturns Second Largest Moon . ... Mars Polar Lander Target Ellipse . ... 1999 Leonid Fireball . ...

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... In 1959 the Government Decree enacted OKB-1 to initiate work on the development of ballistic rockets using solid propellant RT-1 with a warhead flight range of 2 500 km, a launch mass of up to 35 t, and a combat charge mass of 500 kg. In parallel, the tasks were pursued to implement work on RT-2 assuming the development of a ballistic rocket with a warhead flight range from 10 000 to 12 000 km and a combat charge mass of up to 500 kg. ... Official WEB-site of S.P.Korolev RSC Energia . ...

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• RSC "Energia" - History

... Take a particularly simple signal: a cosine wave. ... Now, we are going to stretch and shrink the wavelet along the time axis (we assume the data is in the time domain), and at each time compare the shape of the signal to that of the wavelet. ... Figure 3: The wavelet (dotted line) is translated rela tive to the signal (solid line). ... Figure 4: The dashed line plots the `match' between the wavelets (dotted line) and the signal (solid line) as a function of time. ...

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• Feature enhancement: pulsing
• Digital Photo Album
• Installing the packages

The X-ray photometer RF is designed to measure the solar X-ray radiation in the soft spectral range. ... The photometer consists of two units: the detector unit and electronics unit. ... The impulses from the channels with a fixed amplitude are transferred to the electronics unit where they are accumulated during 0.8 s (time of one exposure step). ... Czech Acad. ... Ondrejov, Czech Republic. L.Triskova - Institute of Atmospheric Physics, Czech Acad. ... Prague, Czech Republic. ...

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• Explaining the Sundial
• The Lagrangian Point L1
• Format of ACE plots

... 4.4 Imbedding HTML in a Document . In the following discussion of SPECIAL processing
, I will assume that rtftohtml has not been customized. If it has, the text styles used to create special effects may be different. ... Normally, if your RTF document contained the text "<cite>hello</cite>", the translator would output this as: "&lt;cite&gt;hello&lt;/cite&gt;". ... If, however, you want the <cite></cite> to be interpreted as HTML markup, you must format the tags using Hidden and Shadow. ...

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• Sending files to a remote host
• Getting files from a remote host
• Did You Know?

... Class . ... PREV CLASS NEXT CLASS . FRAMES NO FRAMES All Classes . ... FIELD | CONSTR | METHOD . DETAIL: FIELD | ... java.lang.Object ij.plugin.XYCoordinates . ... public class XYCoordinates . ... This method is called when the plugin is loaded. Methods inherited from class java.lang.Object . ... Constructor Detail public XYCoordinates () . ... This method is called when the plugin is loaded. 'arg', which may be blank, is the argument specified for this plugin in IJ_Props.txt. ...

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• FHT (ImageJ API)

Quanto erano lunghe le leghe usate da Colombo? Sul mare Colombo misurava le distanze in leghe, ognuna delle quali era lunga 4 miglia, ma nel quindicesimo secolo erano in uso diverse unit di misura sotto lo stesso nome di lega e di miglio. ... Samuel E. Morrison assume che Colombo usi il miglio romano di 1481 metri, questo porta la lega ad essere lunga 3,2 miglia marine, che la lunghezza accettata per la Lega Marittima Portoghese (LMP), di uso comune fra i marinai portoghesi e spagnoli. ...

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• POSIX.4 scheduler
• Working with LiveConnect
• FIRPO Help 2