... User Guide ] In August 1994, the nominal flux density of the ATCA's primary flux calibrator, 1934-638, was revised to give better agreement between the ATCA's flux density scale and the flux scales used in the northern hemisphere (the VLA in particular). ... This introduces a problem when mixing data (either combining or just comparing) calibrated before and after this change. ... However if you use the option `oldflux' in GPCAL and MFCAL when calibrating 1934-638, the old flux scale will be used. ...

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• casacore: casa/Utilities/Compare.h Source File
• casacore: casa/Utilities/Compare.h File Reference
• casacore: casa::Compare_global_functions_ObjCompareFunc Struct Reference

... We propose to obtain low-resolution COS-FUV spectra of a sample of nearby star-forming galaxies with existing rest-frame optical spectroscopy. By combining optical and UV observations of these galaxies, we will be able to directly compare previously-determined metallicities from optical emission line diagnostics with those determined from newly-observed photospheric and stellar wind lines in the UV, including the abundance-sensitive 1425A and 1978A photospheric blends. ...

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• compare_table.pro
• Gaps in the Cloud Cover? Comparing Extinction Measures in Spiral Disks
• Deconvolution

... Watchouts . ... Documentation . Calibration . Help . cifdiff is the SAS tool you need. It lists the differences between two Calibration Index Files (CIFs). Please, refer to the on-line task documentation for its description. ciffdiff can be applied also on the CIF included as one of the extensions in the PPS-produced event lists. ... Pages maintained by SAS librarian . Any question about SAS should be addressed to the XMM-Newton help desk . Updated on: November 18, 2006 ...

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• isNearlyEqual(): Comparing numbers with a given precision
• XMM Deep Survey Simulations
• compare_columns utility

. First page Back Continue Last page Overview Graphics .

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• Low-Mass Star Formation
• DIRECT MASSES FOR BXCIR AND PVTEL VARIABLES

... Energy . ... The free ions and electrons in a plasma behave the same way. Knowing the temperature of the high atmosphere of Earth, or that of the Sun, we can calculate energies expected of ions and electrons found there. However, ions and electrons actually observed in space are often much, much more energetic, and may move at a respectable fraction of the velocity of light (300,000 km/sec or 186,000 miles/sec). ... Typical energy of an electron in the polar aurora. 40,000 ev . ... 50,000 ev . ...

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• Dayside aurora [Oulu]

... Apache HTTP Server Version 2.2 . ... Authorization based on file ownership . ... This module authorizes access to files by comparing the userid used for HTTP authentication (the web userid) with the file-system owner or group of the requested file. ... file-owner . ... The name of the system group that owns the file must be present in a group database, which is provided, for example, by mod_authz_groupfile or mod_authz_dbm , and the web-username must be a member of that group. ... Require file-group...

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• mod_file_cache - Apache HTTP Server

... Apache HTTP Server Version 2.2 . ... Authorization based on file ownership . ... This module authorizes access to files by comparing the userid used for HTTP authentication (the web userid) with the file-system owner or group of the requested file. ... file-owner . ... The name of the system group that owns the file must be present in a group database, which is provided, for example, by mod_authz_groupfile or mod_authz_dbm , and the web-username must be a member of that group. ... Require file-group...

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• Direct electron imaging-model
• mod_file_cache - Apache HTTP Server
• Input and Output

. You can compare any two versions of a file that is under the control of SCCS with the sccsdiff command: /usr/sccs/sccsdiff -r version -r version s. filename . Using this command produces a line by line difference between the two versions of the file. Results are shown in the same format as that produced by the diff command. Examples .

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• Comparing directories
• Examples of comparing files with the sccsdiff command
• Comparing files

... the computed pointing error for different vertical offsets (.ps) ( .pdf ): . the measured platform height offset and pointing error (.ps) (.pdf ): . ... This gave us a dataset of a pointing run with simultaneous info on the vertical error in the platform position The plots show the measured platform height offset and pointing error (.ps) (.pdf ): . ... The pointed error computed from the height offset matches the measured za error offsets when the platform is offset in height. ...

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• compare dlpf shapes
• sbn calibration sep01
• modelAerostatPeriods

... Mass . 17a. Measuring Mass . ... A medium-size (1.25 inch wide) binder clip, as is used in offices to hold papers together--the type made of flat blue steel, with two wire handles. ... The theory predicts that the oscillation period should be proportional to the square root of the oscillating mass, including the mass of the clip. Note that gravity plays no part here: the oscillation period would be the same on the Moon or in zero-g. Denoting square root by SQRT, we have . ...

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• The Discovery of Atoms and Nuclei
• Energetic Particles

... The sample of the Local Volume galaxies (distance smaller than 10 Mpc) gives a unique opportunity to study the properties of galaxies including the weakest objects: the absolute magnitude M B -10 and the virial mass M vir 10 9 M x263C;. ... Luminosity function of the Local Volume galaxies. ... The luminosity functions for galaxies are presented: red dashed line - from the 2dFGRS survey (Norberg et al. 2002); blue dash-dotted line - from the SDSS survey (Blanton et al. ...

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• Evidence for Dark Matter
• CCDs for Material Scientists
• The Galaxy Gallery Page 6: Comparative Morphology

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Directory of astronomy web sites. ... Listed Since October 25, 2004 . ... Web Site . http://123world.com/astronomy/index.html . ... Web . www.astronomy.net . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

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. Album : asv-album :: Travels to distant places and countries :: 1997/08 Kyoto, Nara (Japan) :: 20/08 Nijo castle (ancient shogun palace). Assembly opening. Maiko . Up . Nijo castle, Shogun palace. The main building. Comparing to temples and shrines, royal architecture looks modest. Next >> . Photo album generated by album generator from Marginal Hacks by David Madison on Tue Jun 23 14:46:11 2015 .

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• ESO publication statistics compared to other observatories
• Illustration the advantage of the Ultra HD format for video compared to other
• Snow line distance compared to the Solar System

... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... What are typical star-to-star distances in globular clusters compared to stellar distances in our region of the galaxy? ... RELATED TOPICS: GLOBULAR CLUSTERS . ... Get instant access to subscriber content on Astronomy.com! ...

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• First direct distance to Andromeda | Astronomy.com

... 21.02.2011 . ... Credit Copyright: morn1415 (YouTube) Explanation: How big is our Sun compared to other stars? In a dramatic and popular video featured on YouTube , the relative sizes of planets and stars are shown from smallest to largest. ... Note that the true sizes of most stars outside of the Sun and Betelgeuse are not known by direct observation, but rather inferred by measurements of their perceived brightness , temperature , and distance. ... Publications with keywords: star - planet . ...

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• Journal "Peremennye Zvezdy"
• The Earth and Moon Planetary System
• XWare > APOD

... Information about a variety of different calendars for different cultures (e.g., Christian, Jewish, Muslim, Chinese, Hindu etc.) ... In addition, the Chinese had two different ways of interpreting and observing celestial events. One way the Chinese used astronomy was known as lifa; it was a discipline that aimed to understand the regularities and the predictable events in the celestial system through careful, observations, measurements and records. ... back to Teachers' Newsletter Main Page ...

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• ASP: Star Science in the Autumn Sky
• ASP: Education Newswire
• ASP: To Every Season There is a Reason

ST-ECF Technical Instrument Report WFC3-2009-04 The cross dispersion profiles of the WFC3 grisms H. Kuntschner, H. Bushouse, M. KЭmmel, J. R. Walsh April 30, 2009 ABS TRACT This document summarizes the analysis of the cross-dispersion profile width for the three grisms of the WFC3. For the IR grisms, the cross dispersion profile width derived from white light images and monochromator steps obtained in TV3 provide consistent results also in agreement with estimates derived from direct images. ...

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• http://www.stecf.org/conferences/adass/adassVII/reprints/vieirae.ps.gz
• VLT First Light
• The Photometric Performance of the NICMOS Grisms

Sherpa Aneta Siemiginowska 1 SHERPA CIAO's Modeling and Fitting Application Aneta Siemiginowska CXC Astrostatistics Workshop, HEAD meeting , New Orleans, Septemter 2004 Sherpa Aneta Siemiginowska 2 Modeling and Fitting Software XSPEC - analysis of 1D X-ray data (imaging + grating) ISIS and Pint of Ale- primarily for analysis of highresolution (ie grating) X-ray data ... Jointmode data: spatialspectral, spatialtiming Use scripts based on Sherpa only commands. ...

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• Correlating Spectral Data with Spatial Gain Variations
• PINTofALE EXAMPLE : Simulation for Chandra ACIS-I
• The AstroStat Slog EGRET