Duty astronomers at the Compact Array are rostered from ATNF staff and students to provide support to observers at Narrabri for periods of one week at a time. The duty astronomers are required to assist observers prepare observing schedules, help set up the Compact Array at the start of an observing run, diagnose and attempt to solve problems that arise in the course of the observations and help observers with the initial analysis of their data. ... www.atnf.csiro.au/observers/tidbinbilla . ...

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• PPTA Wiki | Main / Observing
• Pulsar group | Main / ANDSATNF
• PPTA Wiki | Observing / Details

HUBBLE SPACE TELESCOPE DAILY REPORT #3030 PERIOD COVERED: 0000Z (UTC) 01/08/02 - 0000Z (UTC) 01/09/02 Daily Status Report as of 009/0000Z 1.0 OBSERVATIONS SCHEDULED AND ACCOMPLISHED: 1.1 Completed WF/PC-2 8937 (Cycle 9 Supplemental Darks pt2/3) The WF/PC-2 was used obtain three dark frames every day to provide data for monitoring and characterizing the evolution of hot pixels. No problems were encountered. ... The proposal completed with no reported problems. ... There were no reported problems. ...

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• http://www.stsci.edu/documents/dhb/web/c29_wfpc2data.fm4.html
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_01/hst_status_07_20_01
• Proposing Overview

... In this activity, students will observe that the faintest stars which they can see in the sky are affected by many things: the adaptation of their eyes to the dark, the presence of clouds or haze, the time of year, and the presence of light pollution. General Information . ... After completing this activity, students should have a better understanding of the practical processes for dealing with the light pollution problem and with other environmental and societal issues. << previous page | ...

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• ASP: Using Multicultural Dimensions to Teach Astronomy
• ASP: Astronomy Behind the Headlines
• ASP: Storytelling Activities

The spectral line gui allows you to setup the wapps for 1 polarization per board. You can select polA or polB for the first board and the opposite pol for the 2nd board. This allows for more channels per spectra (but uses up more boards). ... Brd 1: 3 level auto correlation, polA. ... The problem is that the gui configures the wapps to provide polA to both boards (actually it could be polB, i'm not really sure... the important thing is that you only get 1 polarization). ...

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• http://www.naic.edu/~phil/obsproblems/obsproblems.html
• The CIMA Homepage
• Solar System Studies at AO

... Using the self-consistent 3D hydrodynamical code in Kobayashi et al. (2007) , we simulate the star formation and chemical enrichment history of the Universe. ... We also predict the rates of supernovae and gamma-ray bursts, and the properties of the host galaxies, which will be observed with the ANU's new SkyMapper telescope. ... Supernova feedback on galaxy formation. ... Feedback from active-galactic nuclei (AGN). ... COALA : Universe Galaxy AGN Star Planet ...

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• Role-Playing and Problem-Based Exercises for Teaching Undergraduate Astronomy

The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...

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• Solar Energetic Particles
• Interball Workshop in Finland
• Space Research Institute (IKI) Seminar

We cannot observe the way the distant universe accelerates cosmic rays or produces energetic photons, but acceleration processes also occur on our Sun , though on a much more moderate scale. ... That is why such events are often missed by cosmic ray detectors near the equator, where the lowest energies are excluded by the Earth's magnetic field. The best detectors for observing solar particles are therefore those sensitive to the lowest energies of the cosmic radiation. ...

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• Whistlers [Oulu]
• Welcom to CONPAS workshop
• Close-up of the Aurora

Using Target Visibility Checker, V8.0 . ... Proposers Info Documents Manuals AO-15 Information AO-16 Timeline OTAC Results Target Visibility Tool Target Search Tool . ... If you select this entry option (Default) you can provide the revolution range for which the visibility should be computed. ... A time is specified for the minimum length that a target is required to be visible. ... The visibility tool imposes that for a target to be visible, all corners of the corresponding bin must be visible. ...

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• XMM-Newton Current Calibration File: Updates
• Using Target Visibility Checker
• XMM-Newton Current Calibration Files

Next: Nonlinearity Up: Special problems Previous: Special problems . Because a full set of colors is required to account for color terms, it is not possible to reduce data for stars that have not been observed in all filters. If you have some stars that were observed in only a subset of bands, you should extract from the entire table of observations just the subset of bands, and run the whole set of stars in this band subset to obtain reduced values for the stars with incomplete observations. ...

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• Equations of condition
• PEPSYS general photometry package
• Getting the observations

Next: The Distributed Analysis System Hierarchy (DASH) for the SUBARU Telescope . ... The REMOT project objective is to develop and validate a generic approach to allow remote control of scientific experiments and facilities that require real time operation and multimedia information feedback. ... These have been partly implemented to perform a set of demonstrations, showing the feasibility of the design. ... Integrating the control system of the Galileo telescope in the REMOT project is simple: . ...

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• Modern CCD Observations of Moving Celestial Objects: Algorithms and Software
• Organizing Observational Data at the Telescope
• Evolution of EUVE Guest Observer Data Reduction

IV International Astronomy Olympiad . ... Text of these problems is available also . ... To solve every problem you may use constants and well-known values you know by heart. ... The apparent diameter of the Moon, as seen from the Earth, is 31'. ... Can you observe a star with magnitude . ... Consider the stars as black bodies. ... Estimate the diameter of a black hole constructed using this patent from a ship with the mass of 5000 tn (1 tn = 1000 kg). ... What stars would you observe this nigth? ...

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• III International Astronomy Olympiad, Problems to solve
• Problems of the 1-st International Astronomy Olympiad
• Comet Ephemerides

... I would several points which we faced during our everysolved for better quality of individual ACs' and EOP products · There are two main EOP products provided by two IERS Product Centers on Earth Orientation (Earth Orientation Center (EOC) and Rapid Service/ Prediction Center (RSPC)). ... However, the latter is not provided by the IERS. ... ITRF · Using ITRF in computation of EOP series produced by various ACs seems to be a necessary condition to provide the consistency between the IERS products. ...

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• The conference " Multi-Wavelength investigations of the Sun and modern problems
• Pulkovo EOP and Reference Systems Analysis Center (PERSAC)

Our group includes both theoreticians and observers working on problems related to many different aspects of star formation. You can learn more about us by following the links provided here below. We will try to keep these pages updated as frequently as possible, however do not hesitate to contact us directly if you encounter problems while browsing or do not find the specific information that you are looking for. Click on the following for more information . Our Group . ...

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• CHIANTI atomic database
• Procedures for Observations
• IBIS: SolarNet Access

Mathematics from the class of 2000 (section B) of the 57th school (in Russian). These problem sets, originally given in seminars, are available in TeX format, PostScript, and as Hewlett-Packard laser printer files. The syllabus "math-student" (in Russian) describes the traditional range of topics studied in math classes. ... Math Competition by Correspondence (in Russian). ... These Zip files contain problems from various years. ...

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Next: J.E. Chambers, Research Astronomer Up: Research Previous: W.M. Napier, Senior Research Contents . Dr John Butler has carried out activities in the following main areas: . ... Bag?, has started a project on the link between solar activity and cosmic rays on clouds and their possible influence on the Earth's mean temperature. ... The proceedings of the meeting were edited by C.J. Butler and J.G. Doyle and published by the Astronomical Society of the Pacific in their conference series. ...

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• An Overview of the Coupled Earth-Sun System PPARC Introductory Solar System
• Armagh Observatory
• STFC Introductory Solar System Plasmas Summer School

... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: ALMACAL: the evolution of the molecular gas in galaxies using ALMA calibrator observations . ... ALMA . ... ESO-MIDAS . ... It is therefore essential to probe the evolution of cold gas over cosmic time. ... We are looking for an enthusiastic PhD student who is interested in working with us in using ALMACAL to address exciting and topical science questions related to the evolution of molecular gas in galaxies. ...

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• FORS Sec Std and Abs Phot Project
• ESO - Science Announcements
• ESO - Science Data Products Forum

... Simple X-ray Aperture Photometry Problem : Determine source intensity s and errors for an unresolved (point) x-ray source Know: · Number of counts , C, in source aperture (solid green ellipse) · Number of counts , B, in background aperture (dashed green elliptical annulus) · Areas As and Ab of source and background apertures · f = psf(x,y)dx dy over source aperture · g = psf(x,y)dx dy over background ... What happens if the single observation pdf 's are distinct? ...

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• No Title
• X--ray Quiet PMS Candidates
• Source Selection

... Other Characteristics of the Sun: Variability of Rotation, Magnetism, Chemical Structure, Planetary System. ... Methods of Solar Magnetic Fields Measuring: Visual, Photografic, Photoelectric. ... Empiric Datas of Magnetic Fields in Photosphere, Chromosphere and Corona. ... Characteristics of Magnetic Field in Balanced Force Tubes by Potential and Forceless Field. ... Phenomenons in Active Region (Magnetic Field, Spots, Torches, Solar Prominences, Flares, Discharges. ... Magnetic Fields in Flares. ...

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• Solar-Terrestrial Connections
• WARNING MISSION: Background
• Theoretical Astrophysics

... Radiation mechanisms of astrophysical objects: classics today . ... Studies of radiation mechanisms and processes of spectra formation in astrophysical objects are among the fundamental tasks of modern astrophysics. ... On this occasion the Saint-Petersburg State University organizes an international conference Radiation mechanisms of astrophysical objects: classics today , which will be held in St. Petersburg from September, 21 to September, 25, 2015. ... Scientific rationale . ... Conference venue...

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• Introduction
• Circular polarization: change of sign
• Linear polarization: wavelength dependence

... December 21, 1997 . ... Advantages are briefly discussed of gaining in spectral resolution, which is accompanied by losses in signal level, as compared with the attempts to improve the accuracy of measurement of line parameters by means of rising the S/N ratio alone with increasing the exposure time. To partially solve the problem of observations of faint objects at the BTA a new design echelle spectrometer is proposed. high resolution spectroscopy . ...

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• GRB follow-up team
• The spectrograph design and the observing procedure
• The conference " Multiwave investigations of the Sun and modern problems of