... Perform basic two-dimensional image reduction. Reject cosmic rays from CCD data. Process the contemporaneously obtained wavecal data to obtain the zeropoint shifts in the spectral and spatial directions. ... Subtract science image from wavecal . ... For each image in the science file, this task selects the wavecal in the wavecal file that is closest in time to the science image, and it copies the keyword values for the spectral shift from that wavecal header to the science header. calstis12 . ...

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• ACS Data Handbook
• NICMOS Data Handbook
• Thermal/Sky Backgrounds GPI Data Pipeline 1.0 documentation

... Primordial theory review : Dick Bond . Defects and the CMB review : Andy Albrecht . ... Gravitational wave contribution to CMB anisotropies : V.B. Lukash and E.V. Mikheeva . C_l from cosmic strings : Lloyd Knox . Some aspects of CMB anisotropies induced from topological defects : Mairi Sakellariadou . ... CMB anisotropies from scaling sources : Ruth Durrer . ... SZ observations I : Sarah Church . ... Holes in the microwave sky? ... Detecting cosmic strings in the CMB : James Robinson . ...

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• Astrophysics Group Cosmic Microwave Background (CMB)

A limit on the ultra-high-energy neutrino flux from Centaurus A Justin Bray For the LUNASKA collaboration Clancy James, Ron Ekers, Chris Phillips, Paul Roberts, John Reynolds, Rebecca McFadden, Ray Protheroe, Jaime Alvarez-MuЯiz, Justin Bray Outline: · Ultra-high-energy (UHE) cosmic rays neutrinos · Detecting UHE neutrinos · The lunar Cherenkov technique · Observations with the ATCA · Observations with Parkes · ASKAP and the future ... Detection Geometry Neutrinos are penetrating.. ...

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• ASKAPsoft processing of BETA data CentralProcessor 0.11 documentation
• PPTA Wiki | Links / Papers
• Cosmic ionizing background

... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Foreground emission and Cosmic Microwave background intrinsic anisotropies . ... Since its discovery the Cosmic Microwave Radiation (CMB) has been one of the pillars of modern Cosmology. ... Further development of this work is the application of already tested algorithms to disentangle the foreground emission from the CMB maps and the determination of the CMB intrinsic emission. ... Return to list of thesis topics ...

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• Basic CCD image processing
• The Effect of Continuum Variability on Spectral Indices
• ESO - Thesis Topic: ALMACAL: the evolution of the molecular gas in galaxies

... Previous: Cosmic Ray Rejection and Data Compression for NGST . ... Cosmic ray rejection (deglitching) is one of the challenging data analysis problems for ISOCAM, the infrared camera on board ESA's Infrared Space Observatory (ISO). ... field of application: . ... Figure 1: CAM survey data after multiresolution deglitching (left) and after sky-cube deglitching (right). field of application: . ... Figure 3: BISC deglitched CAM survey data with additional faint source processing. field of application: ...

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• On-The-Fly Re-Calibration of HST Observations
• Enhanced HST Pointing and Calibration Accuracy: Generating HST Jitter Files at
• Recreating Einstein Level One Processing Exposure Masks and Background Maps in

An Ancient Universe: How Astronomers Know the Vast Scale of Cosmic Time . THE PROCESS OF SCIENCE: HOW DO WE KNOW? The nature of the universe, its age, its birth and life story, have been deduced through the process of science. ... In the case of astronomy, it usually starts with making careful observations and measurements -- something your students can begin to do through inspection of astronomical images, and observation of the real sky. ... An Ancient Universe - Table of Contents . ...

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• ASP: An Ancient Universe - Changes in the Universe
• ASP: Gamma-Ray Bursts: Piecing Together a Cosmic Puzzle
• ASP: An Ancient Universe - Changes in the Solar System

... 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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Next: J.E. Chambers, Research Astronomer Up: Research Previous: Research Contents . ... Solar Variability and Climate . Other Activities . ... Applied to data of flares on Gliese866 he was able to estimate the area of hydrogen emitting flare regions as 1-13% of the stellar surface. ... As partners in the project, Armagh Observatory has been asked to contribute to the selection process in exchange for priority access to the data which will eventually flow from the satellite. ...

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• An Overview of the Coupled Earth-Sun System PPARC Introductory Solar System

Cosmic Ray laboratory of . ... Neutron Monitor (Cosmic Ray Observations) . is situated in Irkutsk (Russia) . ... Height - location above sea level . ... Height: . ... For recording the CR (Cosmic Rays) neutron component at Irkutsk, . neutron monitor NM-64 is used, which is an installation with 18 two-meter proportional counters filled with BF 3 (boron trifluoride gas) in which the B 10 90 per cent of the total boron. ... The neutron monitor is located at 475m above sea level. ...

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• Irkutsk Cosmic Ray Station

... SAS processing with the latest software and CCF files is performed as follows . Generation of filtered event files, source lists and extracted spectra for ONAXIS coordinates rgsproc xpsfincl=100 pdistincl=95 finalstage=2:angles rgssources srclist=P0123450101RXS099SRCLI_0000.FIT changeprime=yes \ primelabel='ONAXIS' rgsproc entrystage=2:angles finalstage=4:spectra . Generation of background light curves evselect table=P0123450101RXS099EVENLI0000.FIT \ expression=((XDSP_CORR<-3.E-4)|| ...

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• Selection of observations of empty RGS files
• Combination of the selected observations to make the templates and build CCFs
• pipeline packages

Astronomy Picture of the Day . ... 9.03.1997 . ... Credit: DMR , COBE , NASA , Four-Year Sky Map Explanation: Above are two images of the microwave sky, north and south of our galaxy's equator , based on data from NASA's COsmic Background Explorer (COBE) satellite . ... These spots are the oldest, most distant structures known. They represent temperature variations in the early Universe. ... Publications with keywords: COBE - hotspots . ... Microwave Hotspots: The Oldest Structures Known ...

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• COBE Hotspots: The Oldest Structures Known
• Journal "Peremennye Zvezdy"
• Астронет > COBE Hotspots:The Oldest Structures Known

... Figure: A dark current CCD exposure with cosmic ray events which are removed with non--linear filters. ... Figure shows a CCD dark current exposure with cosmic ray events. ... Figure: Removal of cosmic ray events on a CCD spectral exposure with different techniques: (A) original, (B) median filter, (C) recursive filter and (D) stack comparison. ... For comparison with non--linear filter techniques, Figure D shows removal of cosmic ray events from the spectral frame discussed above. ...

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• Cosmic Microwave Background Anisotropy
• Sky Illumination Corrections
• Illumination Corrections

Next: AXAF Recipes Up: ROSAT HRI Recipes Previous: Quantum Efficiency Correction (a.k.a. For some observations, a significant amount of data may have been rejected during SASS processing because the background level was higher than the calculated threshold for rejection. ... REJECTED EVENTS . ... The recipe will allow the user to include rejected events in the generation of a new qpoe file and filter on the background level. ... This creates a qpoe file with standard + rejected events. ...

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• The AstroStat Slog X-ray
• The AstroStat Slog Blog Archive SLAC Summer Institute
• The AstroStat Slog spherical hormonic expansion

... On­The­Fly Re­Calibration of HST Observations B. Pirenne and A. Micol Space Telescope -- European Coordinating Facility, ESO, Garching, D­85748 D. Durand and S. Gaudet Canadian Astronomy Data Centre, DAO, Victoria, BC Abstract. ... On­the­fly re­calibration data flow: from request submis­ sion to data delivery. ... On­the­fly re­calibration has another advantage for our archive sites: we only need to keep the raw data and calibration reference files on­line for the process to be automatic. ...

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• The STScI NICMOS Calibration Pipeline
• NICMOS Data Calibration and Analysis

... Sometimes a background process or a process without a controlling terminal hangs up and you will need to destroy this process by killing it. To kill a process use the kill command. kill [-signal] process_identifier (PID) . ... Always try to kill a process with a simple kill command. kill process_identifier . ... If this does not work use the -1 (one) signal. kill -1 process_identifier . ... As a last resort use the -9 signal: kill -9 process_identifier . ... Using the shell built-in kill command . ...

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• Running processes as background jobs
• Placing a foreground process in the background
• Managing jobs and processes

You can also see this page in Russian with using KOI8 (X Windows) or CP1251 (MS Windows) Cyrillic coding. The Laboratory supports the space TV experiments, mainly in the planetary exploration missions. ... Image Co-registration . ... PHOBOS mission - Martian satellites investigations. Phobos on the Martian limb, the image from Phobos-2 probe from 02/28/89. ... Russian Space Bulletin. ... Last modified at June,26 1997 Alexey Kuzmin: akuzmin@mx.iki.rssi.ru . Back to IKI home page ...

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• Space Weather
• Cosmic rays [Oulu]
• Solar Energetic Particles

... Report on Cosmic Call 1999 . ... Cosmic Call Sessions . ... This Report outlines methodology, hard- and software, which were developed to transmit first public Interstellar messages from Evpatoria Deep Space Center (EDSC), and describes four Cosmic Call Sessions, which were fulfilled in EDSC on May 24 and June 30 - July 1, 1999. ... Each Cosmic Call consists of two parts. ... Dutil Message, . ... The software for gathering all messages and creating the Cosmic Call stream, was written on C language. ...

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... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

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• Historical Cosmologies Historical Cosmologies
• Dark Matter in the Universe

Teaching courses . for student of the Department of Astrophysics and Stellar Astronomy . ... Geophysics and physics of the planets (Kurt, Panteleev) . ... Close Binary Stars . ... Solar Physics . ... This is introductory course for students of the third year of education which are familiar with elementary astronomy and general physics. ... The one-year course includes theory of radiation transfer, theory of internal stellar structure with account of binary systems with compact comapnions. ...

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• Springer LINK:A&A-EE: Table of Contents Volume 323 Number 2 (1997)

Irregular phenomena in the Earth Pole oscillation process and temporal variations of geopotential Valery Bondarenko, Vadim Perepelkin s The observed irregular phenomena in the Earth Pole oscillation process are very variety. ... These phenomena indicated in the IERS data are the "abnormal" fluctuation of the Earth Pole coordinates which owing to changing of the geodynamical parameters gives negative result in interpolation and forecast of the first approximation mathematical model. ... Fig. ...

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• Pulkovo NEO Page: Observations
• Pulkovo EOP and Reference Systems Analysis Center (PERSAC)