.

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• Astronomy HyperText Book

True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . left: radio image . right: chandra x-ray image with radio contour lines . Image courtesy of John Dickel . Radio fits file . ... J. Dickel, private communication 2009 , : . Back to SNR J0550.4-6823 Index . Chandra Supernova Remnant Catalog . ... Galactic SNR | ...

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• Radio for G011.2-00.3
• Radio for G008.3+00.1
• Radio for G011.0+00.0

... Science Users Information > Data Handling and Products > Data Reduction FAQ > Where do I find reference data (e.g. line catalogs, configuration tables, etc.) ... Observing with ESO Telescopes . ... ESO-MIDAS . ... Data Handling and Products . Quality Control and Data Processing . Data Pipelines and Calibrations . ... Data Packages . Science Data Products Forum . Data Reduction FAQ . ... Data Portal . ESO Data . Hubble Space Telescope Data . ... ESO Data Access Policy . ...

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• Table VI. Emission Line Stars rejected as Herbig Ae/Be Candidates
• Table V. Non-emission line early type shell stars and young stellar candidates
• Table III. Extreme emission line objects

... The spectrum of the Sgr B2 molecular cloud has been surveyed between 215 and 265 GHz towards 3 positions, the dense cores Sgr B2(N)and Sgr B2(M), and the quiescent core Sgr B2(NW). ... The Sgr B2 molecular cloud, located approximately 100 pc from the Galactic Centre and with a mass of , is one of the most extreme cases among star formation sites ( Lis & Goldsmith (1991) ). ... Of the 3 observed positions Sgr B2(N) has the strongest line emission in most molecular species with a few exceptions. ...

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• Supernova Remnant (SNR) Catalogue or Catalog of Galactic SNRs
• OptInt PmWiki : Preliminary Design Review | History
• OptInt PmWiki : Requirements Review | History

... NGC 5252 is an S0 galaxy at a redshift of z 0.0230. ... NGC 5252 harbors a Seyfert 2 nucleus which illuminates a defined biconical structure of ionized gas extending up to 17 kpc ( = 100 ) from the center of the galaxy (Tadhunter & Tsvetanov 1989, Prieto & Freudling 1995). ... The SUMA code (Viegas & Contini 1994, and references therein) calculates the emission spectra (lines and continuum) from a shocked cloud which may also be affected by photoionizing radiation, in a plane-parallel geometry. ...

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• FGS Reference Data On-line
• THE GALACTIC EMISSION LINE OBJECT ATLAS
• Absorption line spectra of the UV bright z=2.4 QSO HE 1122-1649

... Summary of the parameters handled by the user: . ... Edition of the Table Containing the Atomic Parameters . Edition of the Table Containing the Cloud Model . Computation of the Output Absorption Spectrum . ... Format of the table for atomic parameters (ABSP.TBL). Format of the table for the emission line model (EMI.TBL) . Format of the table for the absorption line model (ABSC.TBL) . ...

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• HII regions H109-line catalog
• Line Identification
• Radio data

Stellarium 0.12.3 . ... Classes . ... FileљStructure . ... StelMainGraphicsView Class Reference . ... More... #include < StelMainGraphicsView.hpp > . voidљ . ... Definition at line 37 of file StelMainGraphicsView.hpp . ... Definition at line 105 of file StelMainGraphicsView.hpp . ... Definition at line 100 of file StelMainGraphicsView.hpp . ... Definition at line 103 of file StelMainGraphicsView.hpp . ... Definition at line 108 of file StelMainGraphicsView.hpp . ... StelMainGraphicsView.hpp . ...

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• Stellarium: Atmosphere Class Reference
• Stellarium: Supernova Class Reference
• Stellarium: StelQGLViewport Class Reference

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... The UM/CTIO Magellanic Cloud Emission-line Survey . ... To promote the pursuit of such studies, we have begun the Magellanic Cloud Emission-line Survey (MCELS), a deep imaging survey of both of these nearby galaxies in the emission of H , [Sб  II ], and [Oб  III ]. ...

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• casacore: casa::ROMSFreqOffsetColumns Class Reference
• casacore: casa::ROMSColumns Class Reference
• casacore: casa::TaQLNodeHRValue Class Reference

For calculating model spectra of early-type helium stars in LTE, we maintain a database of atomic data for, mostly, blue-visual absorption lines of light elements. The data is sorted with one file for each ion. ... III = ++ . ... It will work on both complete linelists (including the atomic data at the start and references at the end) or raw ion files (such as Ni2.d). ... A Fortran utility to convert linelists downloaded from the Vienna Atomic Line Database into the new QUB format. synspec_qub . ...

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• Atomic data for Stellar Atmospheres: atoms
• IDLINES: identifying spectral lines
• Spectrum v1 - Examples

Most radio and modem clocks used for a primary (stratum-1) NTP server utilize serial ports operating at speeds of 9600 baud or greater. ... In order to reduce these errors, a set of special line disciplines and stream modules can be configured in the Unix kernel. ... Note that not all Unix kernels support line disciplines and of those that do, not all support System V streams. ... There are two line disciplines and a special streams module included in the distribution. ...

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• Debugging Hints for Reference Clock Drivers
• Configuration Options
• Reference Clock Options

lsst.tcc љ 1.2.2-3-g89ecb63 . ... Classes . ... tcc::Obj Class Reference . ... Definition at line 40 of file obj.h . ... Definition at line 124 of file obj.h . ... Definition at line 138 of file obj.h . ... Definition at line 110 of file obj.h . ... Definition at line 106 of file obj.h . ... Definition at line 107 of file obj.h . ... Definition at line 108 of file obj.h . ... Definition at line 112 of file obj.h . ... Definition at line 111 of file obj.h . ... Definition at line 102 of file obj.h . ...

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• lsst.coordConv: coordConv::PVT Class Reference
• lsst.coordConv: coordConv::Site Class Reference
• lsst.tcc: tcc.msg.formatObjFields Namespace Reference

Next: References Up: No Title Previous: Observational data and reduction . ... A minor loss of information is due to the overestimation of the scattered light in the region of and to the broad emission lines and . On the diagrams are shown the blue-shifted absorption lines and the interstellar diffusion bands. ... In Table 1 are given only emission lines. Questionable features and the lines that fell within the gaps are not included in it, question-marks are for unreliable identification. ...

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• Fabry-Perot Interferometer: Gallery Old
• Ceilidh - On Line C Tutoring System
• References

I-GALFA Reveals Dynamic Events in Our Galaxy . S. J. Gibson, J.-h. Kang, B.-C. Koo, June 2009 . ... The white stripe marks the Galactic equator ( b=0 ). ... I-GALFA three-color H I image for FVW40.0+0.5, integrated over v lsr = -100 to -90 km/s ( red ), -90 to -80 km/s ( green ), and -80 to -70 km/s ( blue ). ... I-GALFA data reveal a complex tracery of loops, filaments, and blobs hundreds of parsecs above and below the Galactic plane, with isolated compact clouds extending even higher. ...

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• NRAO Image Gallery
• Spectral-Line Observing
• Molecular Lines in Starburst Galaxies

spaceweb@oulu.fi - last update: 5 January 1999, 1730 UT (RR) . According to ideal MHD wave theory, a plasma can support two basic wave types, i.e., the magnetosonic wave and the AlfvИn wave. In the theory, standing AlfvИn waves can be excited on geomagnetic field lines , forming so called field line resonances (FLR). ... 1996). ... Bellan, P. M., Mode conversion into non-MHD waves at the AlfvИn layer: The case against the field line resonance concept, J. Geophys. Res. ...

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• Frames of Reference: The Basics
• Magnetic Field Lines -- History
• Reconnection [Oulu]

... 22.Reference Frames . ... To derive the motion of a penny dropped inside an airliner moving at 600 miles/hr (about 1000 km/hr)--should we calculate it with respect to the interior of the airliner, or with respect to the ground? ... And if a similar penny is let go inside an orbiting spaceship--should its motion be calculated relative to the interior of the spaceship, or relative to the Earth outside? ... How do observations differ in the two frames--the airliner cabin and the Earth? ...

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• Magnetic Field Lines -- History
• Millennium of Geomagnetism, References H-P
• Trigonometry beyond 90 degrees

The Arcetri Spectral Code (Landi and Landini 1998) allows to evaluate the spectrum of continuum and line radiation emitted by hot and optically thin plasmas in the spectral range 1-2000 Angstrom. The Code is composed by a large database of atomic data and transition probabilities for calculating spectral line emissivities and a suite of fortran programs able to evaluate free-free, free-bound and two-photon continuum radiation. ... To get he Arcetri Spectral Code related publications . ...

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• The Arcetri Spectral Code - E.Landi and M.Landini (2002)
• CHIANTI atomic database

... 237S (SIMBAD/NED BibCode) ================================================================================ Keywords: Sun: UV radiation - atmospheric effects - Sun: atmosphere - lines: identification Description: An ultraviolet atlas of the solar spectrum with a spectral resolution of 15mA in the region 1948-2000A is presented. ... The wavelength atlas with a list of about 550 lines has been synthesized from data at center of the Sun ({mu}=1) and at {mu}=0.89, smoothed out over an area of 30 arcsec. ...

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... Many extragalactic objects for which radial velocities are desired display strong emission lines. ... EMSAO, a companion to the cross-correlation task XCSAO (Kurtz et al. 1992), was written to find emission lines automatically, compute redshifts for each identified line, and combine them into a single radial velocity. ... Figure: This EMSAO Summary page shows line centers and fit information for a night sky spectrum. ... To test EMSAO adequately, a lot of emission line spectra were needed. ...

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• TwoFitlines: An Spectrum and Line Analysis Tool
• On-line Access to Very Large Catalogues
• The EINSTEIN On-Line Service

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• Wavelet references
• CII page

... A Front of line M-G Goto a line ^E End of line ^N Next line M-N Front of paragraph ^P Previous line M-P End of paragraph ----------------------------------------------------------------------------- = (2) DELETING INSERTING -- Delete previous character ^D or DELETE Delete next character ^C or INSERT Insert a space M- -- Delete previous word M-D Delete next word ^K Close ( ... The KILL BUFFER is the text which has been most recently saved or deleted. ...

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• Special Characters
• Command line editing with the Korn shell
• Deleting words and lines