... Things to think about ­ INTMIT, deconvolution Lister Staveley-Smith ­ X-ALFA March 15, 2003 1 HIPASS Bright Galaxy Catalog (BGC) Koribalski et al. ... Arecibo beam Parkes beam HIPASS spectrum HIPASS J0620-57 = ESO161-G001/NGC 2222/NGC 2221 (ATCA observation) Lister Staveley-Smith ­ X-ALFA March 15, 2003 8 The ALFA advantage ­ an example ! Cosmic variance for HIPASS BGC dwarfs #10 Mpc cells Dwarf galaxies Lister Staveley-Smith ­ X-ALFA March 15, 2003 9 Cosmic Variance in HIPASS BGC Zwaan et al. ...

... Stellar Evolution . Nucleosynthesis in Stars . The Evolution of Star Clusters . JAVA Physics Lab . Alternative Energies Class . Steve Kevan's Physics 251 Class . ... Talk on Solid State Physics of CCD detectors . Talk on Cosmological Issues . ... Digital Spectra of Stars . NETexperts E-mail List . The Electronic Universe Project e-mail: nuts@moo.uoregon.edu ...

Possible science with a 6-dish xNTD Simon Johnston May 23, 2006 Abstract An early deployment of the xNTD could see 6 dishes with full focal plane array capability installed at the Mileura site by the end of 2008. ... A precursor survey with the early deployment system could mimic this survey over a smaller field of view. ... The early deployment system could mimic the survey of the full xNTD by observing a single pointing (30 square degrees) for about 15 days. ...

Up: Sky Surveys . ... The object catalogue and compressed pixel data are stored online and are accessible via the WWW. ... small area (up to 15arcmin) pixel images with attached object catalogue, . ... The primary data format is FITS for both images and binary tables of object catalogues, which enables porting of the data into established software packages. ... In this way, it is possible to browse the data by clicking on objects in the image display or the catalogue list to highlight them in both. ...

HUBBLE SPACE TELESCOPE DAILY REPORT #901 PERIOD COVERED: 0800 EST Daily Status Report as of 155/1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed FOC/96 4804 (UV Imaging of Nearby Galaxies FOC/96) The Faint Object Camera (f/96) was used to make one ultraviolet snapshot image of nearby galaxy ESO-2254-4. The exposure lasted ten minutes, and used filter F220W. The observations was reported to be a satisfactory exposure. ... Three sets of observations were received. ...

... SQL | ... Tutorial: determine H0 using SQL queries to LEDA . ... We select in the database all galaxies with known velocity and magnitude and similar to a given template for which we know the distance, the magnitude and the radial velocity. ... We simply have to choose a property which does not depend on the distance, as for example the rotation velocity ( log(vrot) ) and select the galaxies having log(vrot) in a very narrow range around the value for the template galaxy. ... leda@univ-lyon1.fr ...

... OOF . ... Technical notes . ... OOF software . ... History of the OOF data reduction software . ... Building . ... SWIG 1.3.31 or later * PGPLOT * GSL V 1.6 or later * Boost C++ libraries v. 1.30.0 or later * CFitsIO Following Python Libraries: * numarray * pyfits ** Note: Problems have been reported with pyfits + numpy. ... Note . The versions of components comprising each release are a more definitive description of a build of the OOF system then the version shown in titles of these sections. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . Colin Johnston . ... Telescopes and Observatories . ... January . ... By admin February 20, 2013 Posted in: Armagh Planetarium . ... M42, the Great Nebula in Orion, imaged through Armagh Planetarium?s telescope in January 2013. ... Image credit: Colin Johnston/Armagh Planetarium) . ... M31, the Andromeda Galaxy, imaged with the new telescope in January 2013. ... Armagh Planetarium?s new telescope in action in January 2013. ...

... 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 . ...

... Posts tagged ?incompleteness? ... Comment . ... The notions of missing data are overall different between two communities. ... Astronomers?I?m not sure how they think but my impression so far is that a missing value in one attribute/variable from a object/observation/informant, all other attributes related to that object become useless because that object is not considered in scientific data analysis or model evaluation process. ... 2 Comments . ... Entries RSS . ... Entries (RSS) and Comments (RSS)...

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Filename completion is only available if the the environment variables EDITOR and/or VISUAL are set to either emacs , gmacs or vi . For example: EDITOR=emacs . ... To complete a file or directory name with emacs or gmacs set press the ESC key twice. ls -l on<ESC><ESC> line_help . If the filename is not completed enter more characters until the filename can be uniquely identified. ... To complete a file or directory name with vi set press the \ (backward slash) key. ls -l on\ line_help . ...

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... The search for distant objects which can be both galaxies and quasars is one of the most important problems of observational astrphysics, because it allows one to determine cosmological parameters connected with the time of appearence and evolution of stellar systems, large scale structure of the Universe. ... Radio galaxies are important objects to be studied because they are sources of infrared-optical-ultraviolet continuum, emission lines and continual radio emission. ...

... HCG 87: A Small Group of Galaxies . 6.09.1999 . ... Small, compact groups, like Hickson Compact Group 87 (HCG 87) shown above, are interesting partly because they slowly self-destruct. The Universe Evolves . ... It's only Planet Earth, of course ... as seen on the Water Vapor Channel. ... Eclipse Over The Mountain . ... The two stars at the center of this nebula are very different. One is a white dwarf star with a mass similar to our Sun but with a radius as small as our Earth. ...

... 2015 August 9 . HCG 87: A Small Group of Galaxies . ... Explanation: Sometimes galaxies form groups. ... Indeed, the galaxies of HCG 87 are gravitationally stretching each other during their 100-million year orbits around a common center. ... HCG 87 is composed of a large edge-on spiral galaxy visible near the image center, an elliptical galaxy visible to its right, and a spiral galaxy visible near the top. ... Studying groups like HCG 87 allows insight into how all galaxies form and evolve . ...

... Your main research interests lie in the inter-galactic medium. ... It was not: this indicated either that intergalactic space at high redshifts is completely empty (which was very hard to understand theoretically), or that the gas was extraordinarily hot, and hence too higly ionised to absorb at the wavelengths of Ly . ... This would only show up if the inter-galactic medium was indeed very hot: strong absorption was seen, showing that there is a hot medium out there. ...

... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... The Hubble Space Telescope found a galaxy that was completely formed within 480 million years of the Big Bang. How could gas and dust clouds condense into stars and organize themselves via gravity into an entire galaxy in less time than it takes the Milky Way to make two rotations? ... Galaxies like the Milky Way indeed could not have formed as a unit at such an early era after the Big Bang. ...

... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...