Next: A Universal Diagram for Up: ``Ecology'' of Magnetic Rotators Previous: The Corotation Radius . The interaction of a magnetic rotator with the surrounding plasma to a large extent depends on the relation between the four characteristic radii: the stopping radius, , the gravitational capture radius,   , the light cylinder radius,   , and the corotation radius,   . ... Hence, the classification of the interaction regimes may well mean the classification of magnetic rotators. ...

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• E-P transitions for different orbits
• Dependence on the Scenario Parameters and Initial Distributions
• Semi-major axis change

The efficiency of interaction of radiation with a particle and hence its optical properties depend on the particle chemical composition, size, shape, structure, etc. ... Particle size expressed in units of the wavelength of incident radiation, together with chemical composition, most strongly affects the optical properties of a scatterer. ... There are many methods to solve the light-scattering problem for a homogeneous spheroid (our survey of the light-scattering methods see here ). ...

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• Wavelength dependence
• Extinction properties (transmitted radiation)
• Optical constant database - Level: measurement/paper

... 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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• zhtools

... The IRAF task rvcorrect is used to compute radial velocity corrections. rvcorrect is in the IRAF astutil package and it calls on task observatory , which is also found in astutil. The following steps are an example of its use for an HST dataset where the HST velocity around the Earth is ignored (maximum residual: +/- ~7.8 km/s): . ... Here is an example of file rvcor . ... Run the rvcorrect task: cl>rvcorrect f=rvcor.in > outputfile The above example produced the following output file. ...

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• http://www.stsci.edu/hst/training/events/Spectroscopy/Spec05Dec00.pdf
• NICMOS Data Handbook
• Using hierarchical octrees in Monte Carlo radiative transfer simulations

... Science . User Portal . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > Why do the flats in my data have different exposure times and how do I know which ones to use? ... Science Users Information . ... Observing with ESO Telescopes . ... Telescope Time Allocation . ... Science Data Products Forum . ... ESO Data . ... ESO Data Access Policy . ... ESO Science Newsletter . ... The exposure times of the flat fields depends on slit width and readout mode. ...

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• AdelePlunkettAstro
• ESO - I want to process MOS data of the same target from different nights
• Comparison of the central part of the Milky Way at different wavelengths

... Observers looking at an object that is moving away from them see light that has a longer wavelength than it had when it was emitted (a redshift), while observers looking at an approaching source see light that is shifted to shorter wavelength (a blueshift). ... By measuring the amount of the shift to the red, we can determine that the bright galaxy is moving away at 3,000 km/sec, which is 1 percent of the speed of light, because its lines are shifted in wavelength by 1 percent to the red. ... Part 2...

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• Equations of condition
• HyperLEDA documentation
• Alphanumerics

... Our results shown the importance of the ratio for the emmissivity of and the role of molecular oxygen in the thermal balance. has not yet been detected in interstellar clouds but we obtained the first tentative detection of . ... Modelling the chemistry and the rotational excitation of oxygen . ... The steady state model . ... Figure 1: The steady state model of interstellar clouds . ... Figure 3: The 368 GHz line of in dense clouds: a) for different values of , b) for different values of the ratio ...

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• OptInt PmWiki : PmWiki / Access Keys
• Relic radiolines of hydrogen at decimeter and meter wavelength band
• Scaling relations for molecular gas in the Large Magellanic Cloud

... Two files from two exposures (even from different observations or instruments) are taken as input. These may be EPIC event lists or two other additional files (attitude files, orbit files etc [see comments]). ... Warnings are given when the event files are deemed not entirely compatible (i.e. their INSTRUME or FILTER keywords are different). ... Given here is a summary of the current conditions whereby event files (or parts thereof [blocks/columns etc]) are or are not merged. ...

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Correlated flashes of masers H2O . ... In 1981 - 1982 years it was revealed several Flashes of maser radiation of H2O radioline at wavelength 1.35 cm in the radio-sourse W49, developing practically synchronously at several radial velocities. It's known that components of the maser radiation of H2O radioline profile with different radial velocities arise in separate spatially diverse areas of a starformation. ...

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• Introduction
• Project
• comedi_range_is_chan_specific

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Facilities . ATNF facilities . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

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• Stability properties of two-temperature radiative accretion shocks
• Pulsar Group PmWiki/Access Keys
• VLBI Wiki | TidNotes / AntennaStartup

.

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• Astronomy HyperText Book: Stellar Evolution
• Digital Stellar Spectra
• Galaxy Gallery Page IV: The Movies

. back one page . previous slide . next slide

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• Developer Documentation for Apache 2.x - Apache HTTP Server
• Developer Documentation for the Apache HTTP Server 2.4 - Apache HTTP Server
• Arcetri designs innovative superconductor microwave filters for the Sardinia

Atmospheric influence on the different radio-engineering system functioning . ESTIMATION OF ATMOSPHERIC OPTICAL CHARACTERISTICS AND REMOTELY SANSED IMAGE CORRECTION . ... Direct transmittance estimation results for 12 channels of the spectrometer CHRIS. ... We have managed to develop a direct method of estimating the discrete Normalized Atmospheric Point Spread Function (NAPSF) from available images alone, not using any external sources of information about the atmosphere. ... IRE RAS 1996-20 11 ...

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Next: C.S. Jeffery, Research Astronomer Up: Research Previous: J.E. Chambers, Research Astronomer Contents . During 1998 Dr Gerry Doyle was involved with three PPARC PDRA research grants, and was also a co-organiser of two international conferences (the COSPAR Symposium `Activity Observed in the Sun and in Similar Stars', and the Armagh Cool Star Workshop `Solar and Stellar Activity: Similarities and Differences'). He was Associate Scientist with the CDS and SUMER instruments on SOHO. ...

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• Taurid Complex
• Influence of Climate Variables on Tree-Ring Widths of Different Species
• Creating a filesystem

... 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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• Wavelengths
• Things are very different for small planets
• The Electromagnetic Spectrum

... Bionic eyes. If our eyes could see in different wavelength bands, this is what the Sun would look like. ... Visible light, crucial to photosynthesis, is a type of radiation. ... At the heart of this revolution is the recognition that light travels as a wave. ... Dreams of Fields . ... By the time the fields go from strong to weak and back to strong, the wave has moved a certain distance, known as the wavelength. ... Red light, blue light, infrared light, ultraviolet light, radio waves, x-rays ? ...

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• ASP: Using Multicultural Dimensions to Teach Astronomy
• ASP: Light Pollution
• ASP: Steering by Different Stars? Astronomers and the Dark-Sky Movement

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 February 6 . The Cosmic Infrared Background . Credit: A. Kashlinsky ( SSAI ) S. Odenwald ( Raytheon ), 2MASS , NSF , NASA . ... Visible is light emitted from the very first stars and galaxies in the universe , emitted when the universe was less than half its current age. ... About APOD | ... NASA Technical Rep.: ...

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• Zen: tp search en
• APOD: 2004 June 20 - Solstice Celebration
• APOD: 2004 March 25 - An Orion of a Different Color

... One room has four different looks, at each phase of the level it will change. Depending on what secrets you find, the ending can play quite differently. ... Additional Credits to : Authors of DCK & BSP & RMB & DTEX Eric Riel - Playtesting & Ideas. ... Also the new textures I made add spice to one area. ... Play Information * Episode and Level # : MAP01 Single Player : Yes Cooperative 2-4 Player : Yes - Not Tested. Deathmatch 2-4 Player : Yes - Not Tested. ... New Graphics : Yes. ...

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• Different Fortran standards
• Image: Coast is pretty different here -- from beaches to unclimbable rocks.
• Media types

This is a list of all currently available observing modes in CIMA. Different modes are available depending on whether CIMA is run in pulsar or in spectral line mode. ... Note that the appearance of the windows refer to CIMA version 3.1 , which for most observing modes is slightly different than from CIMA version 2.3 and 3.0 and completely different from CIMA version 2.2. ... Non-ALFA . ... Pulsar cross calibration . ... Drift map . ... ALFA : indicates whether the observing mode works with ALFA . ...

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• Why can I only see six of the ``Seven Sisters''?
• Different types of HVCs in different environments?
• Figures for Scattering Paper

... Bad Astronomy . Misconceptions . ... Bad Astronomy : "That's as remote as the dark side of the Moon!" ... As the tired, hackneyed refrains went on, one in particular caught my ear: " Fly me away to the bright side of the moon, and meet me on the other side." ... As the Moon orbits the Earth, different parts of it get illuminated by the Sun. ... Bad Addendum : At the end of the album "Dark Side of the Moon" by Pink Floyd, there is a voiceover that actually says "There is no dark side of the moon. ...

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• Phil Plait's Bad Astronomy: Mad Science