... The experience of determination of the link between radio sources and dynamical reference frames is presented. To obtain this connection we used a series of very long baseline interferometry (VLBI) observations of the spacecraft Phobos-2 and angularly nearby quasars. ... The dynamical reference frame is determined by equator and equinox of these ephemerides. ... References . ... The relative orientation of the radio and dynamical reference frames can be described by a sequence of three rotations . ...

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• Some notes on Python relevant to ALMA and ALMA data reduction Bojan Nikolic web

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) . ...

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. You can define a file or directory by its location in relation to your current directory . The pathname is given as / (slash) separated list of the directories on the route to the file (or directory) from your current directory. A .. (dot dot) is used to represent the directory immediately above the current directory. In all shells except the Bourne shell, the ~ (tilde) character can be used as shorthand for the full pathname to your home directory. Examples . Did You Know? .

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• Examples of using relative pathnames
• UNIXhelp Glossary - "R"

... A document window is shown, with 8 lines (numbered 1 to 8), each 24px high. The text of the "outer" box (at the end of line 1, halfway into line 2, and halfway into line 3) is shifted upward 12px. The text of the "inner" box, thought shifted upward as well, has been relatively positioned so that it lies in its normal flow position at the end of line 2. ... The lines, as they appear in the image, contain: Start 1 Beginning of body contents. 2 of outer contents. Inner contents. ...

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• Frequency/duration relation.
• Dynamic HTML in Communicator
• Long description illustrating absolute positioning with respect to the initial

We investigate the relative importance of starbursts and active galactic nuclei (AGN) in nuclear activities of ultraluminous infrared galaxies (ULIRGs) based on chemodynamical simulations combined with spectrophotometric synthesis codes. We numerically investigate both the gas accretion rates (ARs; m acc ) on to supermassive black holes (SMBHs) and the star formation rates (SFRs; m sf ) in ULIRGs formed by gas-rich galaxy mergers and thereby discuss what powers ULIRGs. ...

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• Integer Indices are 0-relative
• WCSLIB: FITS-WCS and related software
• The Dispersion Relation

UFO Forum Message . Forums: . ... Post . ... It Really Is Relative . ... Post Message | ... If you are on the Earth the moon does not rotate around its own axis. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Time profiles of the mean seasonal and annual relative humidity at Armagh at 09.00 GMT . ... Though a relative humidity series, like all other meteorological series, is essentially local, it will contain elements of variability which derive from a wider region. ... Data: Wet and dry bulb thermometer readings have been recorded daily at Armagh Observatory since 1838. ... Extended abstract in PDF format . ...

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• MASSES
• Galactic distribution and absolute magnitudes
• Abstract

... With McMath, Robert R.; Mohler, Orren C. Telluric Bands of CH 4 in the Solar Spectrum. 1949 v.109 p.28 . With Mohler, Orren C.; McMath, Robert R. New Solar Lines in the Spectral Region 1.52-1.75 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. New Solar Lines in the Spectral Region 1.97-2.49 . ... With Mohler, Orren C.; Pierce, A. Keith; McMath, Robert R. Table of Infrared Solar Lines, 1.4-2.5 . ... With McMath, Robert R.; Mohler, Orren C.; Pierce, A. Keith . ...

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• Plasma Jets from Radio Galaxy Hercules A

Contents. planet: 5 - Jupiter satellites: J5-Amalthea: 90 total number: 90 type: absolute dates: 1967-1967 observatory: 88 - Kottomia Reference. ... The observed coordinates of Jupiter (uncorrected for phase) are also published. ... Hour of the Right ascension of Jupiter (uncorrected for phase) 8. Minute of the Right ascension of Jupiter (uncorrected for phase) 9. ... Degree of the Declination of Jupiter (uncorrected for phase) 11. ... Minute of the Right ascension of Amalthea 15. ...

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• jg0026
• ji0008
• jg0036

IBIS Data Analysis . ... IBIS . ... Flat Fielding - Introduction . The images obtained by IBIS will have intensity variations across the field of view that are not due to the solar image, but rather caused by instrumental effects that alter the observed intensity in each point of the field of view. ... IBIS Flat Fielding Techniques . ... Therefore, it is desirable to obtain the flat field measurements center on a point along the equator near the heliographic center of the solar disk. ...

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style html {overflow-x:hidden; } html, body { height: 100 %; margin: 0px ;padding: 0px ; }#__container { position :relative; min-height: 100 %; }#__footer{ position :absolute; bottom:65px; width: 100 %;}#__ mlk { width: 100 % ! important ;border-top:1px solid #AEAEAE;border-botton:1px solid #AEAEAE;z-index:999 ! important ; color : black ! important ; position : absolute! important ;left: 0px ! ...

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• thompson_william

... This paper describes various methods for the analysis of spectroscopic data, particularly as they relate to wavelength calibration of echelle-format spectra. ... Keywords: spectroscopy, Hough transform, wavelet transform, robust regression, echelle, wavelength calibration . ... Wavelet transform can be useful in complementing robust techniques for multiresolution analysis, and Section 4 presents an application of the Mexican hat transform to the detection of spectral features. ...

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• ISO-SWS Data Analysis
• Wavelength Calibration at Moderately High Resolution
• ADASS 2002 Conference Proceedings

South Pole - Aitken" Basin on the First Images of the Lunar Far-side V.I.Chikmachev and V.V.Shevchenko Sternberg State Astronomical Institute,Universitetskii pr. ... This is confirmed by the present-day images of the South - Aithen basin floor [see the scheme of the secondary ring structures of the South Pole - Aitken basin (Head, 1993)]. ... Lunar Impact Basins; New Data for the Western Limb and Far -Side (Orientale and South Pole - Aitken Basins) from the First Galileo Flyby, J.Geophys. ...

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• http://selena.sai.msu.ru/Symposium/South%20Pole.pdf
• http://selena.sai.msu.ru/Shev/Publications/ms38/ms083.pdf
• http://selena.sai.msu.ru/Chik/Publications/Aitken/MS015.pdf

This widget allows you to offset the telescope. ... Offset type : one of "Object Arc", "Object Arc XY" or "Boresight". ... This is motion on the sky or instrument, so don't worry about cos(dec). ... If you want to move that point (e.g. center your object along a different bit of the slit), then use a boresight offset. ... Note that a +X object xy offset will move the sky in the -X direction on the focal plane, because you are centering something in the +X direction on the boresight. ...

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• M1 Airflow Lab Tests
• lsst.tcc: python/tcc/cmd/convert.py Source File
• lsst.tcc: python/tcc/cmd/ptCorr.py Source File

... In Spiral . Between spiral . ... Center of vortices . ... to density exterema . ...

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• The peculiar post-AGB supergiant IRAS04296+3429: optical spectroscopy and its
• Optimization of spectroscopic observations
• Observational data and reduction

... Lesson plan (frames) . ... 22b. Relativity . ... By Newton's laws, two frames of reference moving with constant velocity relative to each other observe exactly the same physical behavior. There exists no way to tell, which of them is moving and which one is at rest: there is no "absolute rest frame" and no "absolute (constant) velocity. ... But for a while it seemed that by certain subtle effects, electromagnetic forces could distinguish whether a frame was in motion of not. ...

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• mcfile
• Frames of Reference: The Basics
• CYlindrical GAmma-ray Monitor CYGAM -

Next: Identifications and Efficiency Up: THE DEEP X-RAY RADIO Previous: Source Classification . ... For some sources which did not have NVSS positions before the time of optical observations, arcsecond positions from the Texas survey (Douglas et al. 1996) and NED (typically based on VLA data) were used. ... All X-ray/radio sources without counterparts on the survey plates were imaged at either the KPNO 0.9m or the CTIO 0.9m telescopes. ... Previously Identified Sources . Sample Properties . ...

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• Astroclimatology of Paranal
• Location of ESO HQ Relative to Munich | ESO
• Astroclimatology of La Silla

. Discovered initially by SkyMapper, SMSS J031300.36-670839.3, is a sub-giant halo star, found from a high resolution blue MIKE spectrum to have an undetectable Fe abundance and overabundances of C, Mg, and Ca, relative to Fe. We recently obtained 29 UVES spectra extending to 3060 Angstroms which has enabled us to measure the oxygen abundance from the OH lines, and lower the 1D, LTE Fe abundance limit to [Fe/H] .

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• Proposed Facility
• Observational Techniques: Computer Notes
• Worked Example 02

Subject of Celestial Mechanics. ... Differential Absolute Coordinates Equations of the Problem. ... General Integral of Non-Perturbed Motion. ... General Equation of Non-Perturbed Orbit. ... Other Integration Methods of Non-Perturbed Motion Differential Equations; Bine Equation for Case of Non-Perturbed Motion. ... Ellipsical Motion, Kepler Equation. ... Motion Differential Equations in Absolute Coordinates. ... Equation of System of Bodies Motion in Barycentric Coordinates, in Relative Coordinates. ...

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• Stellar Astronomy
• General Astrometry
• General Astrophysics

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

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• Rayleigh-Debye-Gans approximation (RDG)
• Rayleigh and Rayleigh-Gans-Stevenson approximations
• Optical constant database - Level: measurement/paper