STScI . HST . ... OBSERVATION LOG FILES . ... Observation Log files for most science observations since October 20 1994 have been produced by the pipeline and written to the HST archive. ... Additional information about the Observation Log Files and how to retrieve them from the HST Archive can be found within the HST Archive Page under the STScI home page (http://www.stsci.edu/). Once in the archive pages, click on Retrieving HST Data and refer to the section on Observation Log Files. ...

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• Andy Fruchter's Homepage
• Scientific American: Ask the Experts About Astronomy
• HST this week: 359

... Up: Science Data Pipelines . ... We designed and developed a package which simulates extragalactic point source data within a given field of view and SIRTF band. ... The simulator is modular and extensible to enable multi-wavelength simulations, has been optimized by utilizing parallel processing capabilities, and will be used to test pipeline software. ... The extragalactic simulator is capable of generating large numbers of galaxies within a given patch of sky for SIRTF pipeline testing. ...

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• Enhanced HST Pointing and Calibration Accuracy: Generating HST Jitter Files at
• The Co-Addition Technique Applied to Images of Galaxy Cores
• Spatial Structure of NGC 6822: An Example for Statistical Modeling of

... 2011 December 30 . The Diner at the Center of the Galaxy . ... Explanation: The monster at the center of our Galaxy is about to get fed . Recent observations by the Very Large Telescopes indicate that a cloud of gas will venture too close to the supermassive black hole at the Galactic center. The gas cloud is being disrupted, stretched out, heated up, and some of it is expected to fall into the black hole over the next two years. ... NASA Official: Phillip Newman Specific rights apply . ...

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• APOD: December 1, 1998 - Cepheus 1: Nearby Galaxy Hiding
• APOD: December 15, 1995 - M64: The Sleeping Beauty Galaxy
• APOD: December 30, 1999 - The Century that Defined Galaxy

Arecibo Galaxy Environment Survey (AGES) The precursor run is finally complete. Here are some initial results that illustrate the success of the observing technique and also areas where we had problems. ... The channel range selected was the inner 3696 channels, thus avoiding the increase in noise at the edge of the bandpass. ... Each frame of the movie is an image of the observing region from each individual velocity (or frequency) channel in the datacube. ...

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• OLD ANALYZ instruction sequences HI in galaxies
• The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution
• The Arecibo User Manual for Astronomers

... Changed time to 08:00-14:00 (AT, HO, MP, SH, HH) V125a Nov 01 Cancel 3C380 (VLBA, GO) VS07u Nov 03 Changed observing times (KA, HO, HH) V053c3 Nov 05 Changed observing times (VLBA) VS09q Nov 20 Cancel (GB, AR) V019b Nov 25 Changed observing times (AT, HH, MP, UD) V001a Dec 02 Removed AT VS03j Dec 03 Cancel (KA, MP, UD) V029a Dec 10 Changed times (MK, TI, AT, HH, MP) V035a1 Dec 21 Changed stop time (VLBA, GO, RO) Modified on Sep 26: Most changes are related to VSOP survey source additions. ...

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• New HI Observations of the Prototype Polar Ring Galaxy NGC 4650A
• The HIPASS Bright Galaxy Catalog
• Travel and Observations

... December 13, 1997 . The Coma Cluster of Galaxies . ... The Coma Cluster of Galaxies pictured is one of the densest clusters known - it contains thousands of galaxies . Each of these galaxies house billions of stars - just as our own Milky Way Galaxy does. ... In fact, the Coma Cluster is so big it takes light millions of years just to go from one side to the other! Most galaxies in Coma and other clusters are ellipticals , while most galaxies outside of clusters are spirals . ...

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• APOD: December 18, 1999 - Irregular Galaxy Sextans A
• APOD: December 6, 1999 - M83: The Southern Pinwheel Galaxy from VLT
• Thought-Provoking Imagery Shows Sun's Place in the Galaxy

... We have made observations of the Perseus cluster with the Westerbork Telescope at 610 MHz. ... Several newly detected sources are identified with cluster galaxies. ... No evidence is found for the existence of the previously reported ~ 65'x25' cluster halo, 3C 84B. Key words: radio galaxies - clusters - tailed radio sources buoyancy The Perseus Cluster of galaxies is one of the most fascinating systems accessible to extragalactic astronomers. ...

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• A General Catalog of HI Observations of Galaxies
• HyperLEDA Internal documentation
• Culgoora catalog

... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...

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• Pointing error budget

... 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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• ESO - Newsletter September 2014
• ESO - VIMOS Science Verification Programs at Melipal/UT3
• ESO - Science Announcements

... A radio galaxy is a galaxy that emits an unusually big amount of energy at radio wavelengths. ... Inside of each galaxy with an active nucleus (radio galaxies are among them) there must be a system of a "central machine" responsible for the colossal amount of the emitted energy from radio to gamma ranges. ... Sometimes a radio source in an active galaxy may flare again if the needed conditions appear (a new portion of matter would fall into the furnace of the "central machine"). ...

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• Galaxy sector, archive 2004
• Metagalaxy sector, archive 2013
• Galaxy sector, archive 2007

... Blasting Off from the Moon . ... How did the astronauts get back from the Moon? ... Brittany, age 7, and D.J., age 12, ponder this question over dinner one evening. ... Each red speck indicated above is a powerful quasar estimated to be over 100 times brighter than a galaxy. ... NGC 253: The Sculptor Galaxy . ... Discovered in 1783 by Caroline Herschel in the constellation of Sculptor, NGC 253 lies only about ten million light-years distant. ... Star cluster RCW38 was hiding. ...

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• Building Galaxies in the Early Universe
• Lensing through Baade's Window

... Galileo was one of the first to study our Milky Way with a telescope in 1610 and he discovered that it was composed of a huge number of faint stars. ... Image Credit: NASA Elliptical Galaxy This image from NASA's Hubble Space Telescope shows a good example of an elliptical galaxy at the centre of a galaxy cluster that is over 450 million light-years away in the direction of the constellation Centaurus. ... Then the Andromeda galaxy was first classed as a galaxy outside of our own Milky Way. ...

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• Armagh Planetarium's Stellar Blog!
• Astronotes | Armagh Planetarium's astronomy news from across the Universe
• Astronotes | Armagh Planetarium's astronomy news from across the Universe -

Talk . Date of Talk . ... The Cosmic Evolution of Neutral Atomic Hydrogen Gas" . ... Power Point PDF . ... University of Sydney talk . ... Measuring the Gas in Galaxies in the Distant Past" . ... Talk at 'Galaxy Metabolism: Galaxy Evolution Near and Far' conference . ... Neutral Hydrogen Gas in Galaxies at Moderate Redshifts: Current and Future Observations" . ... Neutral Hydrogen Gas in Abell 370, a Galaxy Cluster at z = 0.37" . ... Neutral Hydrogen Gas in Star Forming Galaxies at z=0.24" . ...

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• Giant Galaxy String Defies Models of How Universe Evolved
• COALA - Computational Astrophysics Laboratory
• Emma Kirby - Science

... The NICMOS Parallel Program . Analysis . ... NICMOS observations made in parallel with the other HST instruments have produced an archive of over 2,000 images, covering a wide range of Galactic latitudes. ... The maximum sensitivity of these images is approximately 0.1 Jy, which should allow the detection of such astrophysically interesting sources as brown dwarfs in the solar neighborhood and star-forming galaxies out to z 3. ...

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• ESLAB 2007

The Wind spacecraft. ... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... For additional details and updates, see the home page of the "Wind" mission. Exploration" home page (index) Glossary . ...

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• Coordinate systems [Oulu]

... О Далекой Галактике . ... Теперь в Далекой Галактике вы всегда можете увидеть свежие фотографии Солнца. ... Форум . Форум "Далекой Галактики" - прекрасное место для общения всех астрономов. ... Новости из космоса . ... Подписаться на новости Далекой Галактики Вы можете здесь: . ... Новости из Далекой Галактики - популярно об Астрономии . ... Если вы хотите выразить свое мнение о сайте "Далекая Галактика", или просто почитать мнения других посетителей - пожалуйста, заходите в Гостевую книгу . ...

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... It was designed to observe the solar wind approaching Earth, from a position near the Lagrangian point L1, and it is part of the International Solar-Terrestrial Physics (ISTP) Initiative . ... The original plan called for "Wind" to approach its final station over two years, undergoing two close encounters with the Moon to boost its speed. ... If however the object is moving , the encounter is not symmetric, and in the end the spacecraft may have gained or lost speed, depending on its trajectory. ...

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• (S-7a) The Black Hole at the Center of our Galaxy
• FAQ: "Exploration of the Earth's Magnetosphere"
• Finding the Pole Star

... Visible Distribution of Galaxies. ... Features of Elliptical, Lens-Shaped, Spiral and Irregular Galaxies. Galaxies with Bar. ... Distribution of Surface Brightness of Surface and Spiral Galaxies. ... Color Characteristics of Galaxies. ... Methods of Galaxies' Mass Determination. ... Hidden Mass of Spiral Galaxies. ... Features of Dark Matter Distribution in E and SO Galaxies. ... The Whole Number of Galaxies and Their Density by the Results of Observation on the 'Hubble' Space Telescope. ...

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... What is there beyond the edge of the universe? ... This is often illustrated by newspaper headlines: "Scientist sees face of God, confirms Big Bang model" (a reference to results from the Cosmic Background Explorer satellite), "Is the cosmos younger than some of the stars it contains? ... The Lone Universe . ... We cannot reproduce it; we cannot take another one and see what happens to it; we cannot compare it to anything else, as astronomers routinely do with planets, stars, and galaxies. ...

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• ASP: An Ancient Universe - Introduction
• ASP: An Ancient Universe - Changes in the Universe
• ASP: Mercury Spring 2011

. Back to A.Zasov's homepage.

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