... Talks . Integral field spectroscopy of AGN host galaxies . Talk at the Research School of Astronomy and Astrophysics, The Australian National University, October 17th, 2011, in Canberra, Australia . ... Talk at the Centre for Astrophysics Supercomputing, Swinburne University of Technology, February 25th, 2010, in Melbourne, Australia . ... Talk at the Research School of Astronomy and Astrophysics of the Australian National University, May 28th, 2009, in Canberra, Australia . ...

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• Gemini Near-Infrared Integral-Field Spectrograph (NIFS) Spectrograph.
• GSAOI Magellanic Cloud Planetary Nebulae Science Page

. Back to A.Zasov's homepage.

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... Bright Spots Resolved in Occator Crater on Ceres . ... Credit Copyright: NASA , JPL-Caltech , UCLA , MPS/DLR/IDA Explanation: What created these bright spots on Ceres? ... Dawn is scheduled to continue to spiral down toward Ceres and scan the dwarf planet in several new ways that, it is hoped, will determine the chemical composition of the region and finally reveal the nature and history of the spots. ... Dwarf Planet, Bright Spot . Dark Craters and Bright Spots Revealed on Asteroid Ceres . ...

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• Pluto Resolved
• A Year of Resolving Backgrounds
• Астронет > A Year of Resolving Backgrounds

... We present new images of the far ultraviolet (FUV) Jovian aurorae obtained with the Faint Object Camera (FOC) after the correction of the telescope spherical aberration which restored the nominal capabilities of the instruments. ... Two years of imaging with the Faint Object Camera from 1992 to 1994, made a breakthrough in our vision of the FUV aurorae, even at the degraded resolution resulting from the telescope aberration (subarcsec, with variations depending on the extent of the feature). ...

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• COS Spectroscopic Observing Strategies
• STIS Instrument Handbook
• COS Instrument Handbook

... 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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• Results scientific researchs 18
• Optimization of spectroscopic observations
• Cosmological Gene project

Limiting Resolution . The terms MTF cutoff frequency, limiting resolution, and resolving power have all been used interchangeably to define the smallest target that can be resolved with an imaging system. Although the term 'limiting resolution' is often used to describe the smallest target length that can be imaged. ... For example, high frequency targets can be reproduced from their low frequency fundamentals and phase errors can produce 'phantom' images that resemble high frequencies. ...

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• WSRT deep surveys
• HyperLEDA documentation: parameter: vdis
• Westerbork Northern Sky Survey

... Дни открытых дверей к юбилею САО РАН (12-14 апреля 2016 г.) . Международная конференция "Dark Ages and White Nights (Spectroscopy of the CMB)" (20-24 июня 2016 г.) . ... Международная конференция MULTI-SPIN GALAXIES - 2016 (26-30 сентября 2016 г.) . Международная астрономическая конференция "Физика звезд: от коллапса до коллапса" (3-7 октября 2016 г.) Архив . ... Подробнее.. ... 10.02.16 . ... БТА в реальном времени . ... Цейсс-1000 в реальном времени . ... Последнее обновление: 22/03/2016 ...

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• CH Cyg
• RCJ0311+0507

This WWW form allows the user to obtain "postage stamp" FITS or jpeg images or contour plots of selected, small fields from the The VLA Low-Frequency Sky Survey (VLSS, formerly VLSS). ... The specified region of the closest VLSS field is returned as a FITS or jpeg format image or a contour plot. ... The VLSS postage stamp server can return a FITS file with the MIME type of image/x-fits; your browser needs to be told a suitable display program for FITS files. ...

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• NVSS Postage Stamp Server Documentation Help for NVSS Postage Stamp Server
• Help for FIRST Survey Postage Stamp Server incl contour option
• Astrophysics Group AMI Science

Full Stokes 327-MHz Continuum Observations of the GALFACTS Pilot Region Wasim Ra ja, Avinash Deshpande, Tapasi Ghosh, Chris Salter & Andrew R. Taylor Background and Scientific Justification Several existing surveys have mapped the polarized intensity of the extended Galactic emission at various frequencies using single dish as well as synthesis imaging. ... The underlying distribution of the polarized emission and the magneto-ionic medium would be apparent in the images resolved across Faraday depth. ...

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• http://www.naic.edu/~phil/mbeam/problems/birdiePix0b_sep04.html
• http://www.naic.edu/alfa/ealfa/meeting1/talks/deshpande.pdf
• http://www.naic.edu/~phil/mbeam/birdiePix0b_sep04.html

... The technology needed to implement a Distributed Astronomical Data Archive (DADA) is available today (e.g., Fullton 1993). Query interface standards are needed, however, before the DADA information will be discoverable. ... These parameters would be used to index each dataset in each catalog. ... The technology is available today to perform cross-catalog queries, to fetch the data at the click of a mouse, quickly to add new observation catalogs, and to distribute the load across multiple machines. ...

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• Towards a General Definition for Spectroscopic Resolution
• Wavelength Calibration at Moderately High Resolution
• ADASS 2003 Conference Proceedings

... Summary. ... Subject of my Ph.D. thesis is the analysis and interpretation of the overall gas dynamics in the starburst galaxy NGC 1808, in comparison with other spiral galaxies in a similar evolutionary stage. ... c) nuclear outflow of neutral gas into the halo of the galaxy, . ... We have mapped the 21-cm absorption in the nuclear region of the starburst galaxy NGC 1808 using the VLA AnB-hybrid array with a resolution of approx. 5.2 arcsec (which corresponds to 275 pc). ...

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• An Imaging Survey of the Northern Galactic H Emission with Arcminute Resolution
• ATNF Colloquium
• The Circinus Galaxy

... January 24, 1997 . Supernova 1987a Fireball Resolved . Credit: C. S. J. Pun ( GSFC ) & R. Kirshner ( CfA ), WFPC2, HST , NASA . ... Supernova 1987a remains the closest supernova since the invention of the telescope . The explosion catapulted a tremendous amount of gas , light , and neutrinos into interstellar space. ... More recent HST observations shown in the inset, however, have uncovered something actually predicted : the expanding fireball from the exploding star. ... About APOD > . ...

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• APOD: 2015 September 16 - Bright Spots Resolved in Occator Crater on Ceres
• APOD: 2015 July 15 - Pluto Resolved
• APOD: 2006 April 1 - Hubble Resolves Expiration Date For Green Cheese Moon

Static Fourier spectrometers are often used for spectral measurements of the ionosphere emissions. There are two main advantages of Fourier spectrometers (FS) - large geometric factor and high spectral resolution; these parameters are two orders better than for grating spectral instruments. ... In scanning Fourier spectrometer optical and electric modulation of signal is used to avoid this problem, for static Fourier spectrometer there are no such ways. ...

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• Practical Astrophysics
• Theoretical Astrophysics

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

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... Tonight's Sky . ... Observing . ... Sky this Month . ... Supernova showered Earth with radioactive debris . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... Observing Podcasts . ... Astronomy for Kids . ... Nature and fate of early star-forming galaxy resolved . ... Only registered members of Astronomy.com are allowed to comment on this article. ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

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• Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets,

... Instrument Status . Science Verification . ... CRIRES . ... SV observer shall submit their proposals using the Science Verification proposal template Proposers are asked to provide at least a short summary of the science goal, coordinates and magnitudes of GS and science target, a finding chart , the observing wavelength ID, as specified in appendix A of the UM and DIT, NDIT settings of science detectors as computed with the exposure time calculator (see below). ... with a 0.2 arcsec slit. ...

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• ESO - Improvement to FLAMES Spectral Resolution and Sensitivity
• ESO - Newsletter May 2014
• ESO - Science Announcements

... We can help students grasp the significance of Hubble's extremely keen eye, and learn a bit about angles and math in the process, with the following in-class activity. ... Looking through binoculars or telescopes allows us to magnify a small section of the sky. To measure sizes or distances in that small section, astronomers divide a degree into 60 smaller pieces called arcminutes, and further subdivide minutes into 60 smaller sections called arcseconds. ... 30 feet = . ... 36 seconds . ...

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Apr 13 2015 Sagitta - The Arrow IC 4997 12mmT4 17mmT4 Planetary Neb 1 PB,PS,R,CENTRAL REGION BRT ,W/OIII,HELPS MUCH,BM,FHALO DET AROUND MIDDLE,R=G VB,MS,BNUC,HISB,W/OIII,BRIGHT BLUE, BRT CENTRAL DISC WITH FAINT HALO,ALMOST *,R=G Jul 05 2008 31 Sep 10 2004 31 NGC 6838 M71 Globular CL,VL,VRI,PMC,*11.16 Mar 22 2004 12.5 12mmT4 25mm Sep 23 2003 31 25mm Aug 20 2003 31 Jul 30 1981 12.5 ...

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• http://www.wro.org/scodova/RNGC_by_Constellation-Vul.pdf

On the multifunctional orbital piloted complex Mir Russian Federation Government resolves: . To accept Russian Space Agency and Korolev Rocket- Space Corporation Energy's proposal to continue the exploitation of the multifunctional orbital piloted complex Mir (further - complex Mir) in 1999-2002. ... Russian Space Agency is to provide coordination and checking over carrying out the work determined by this Resolution. Russian Federation Government . ...

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• Chief Designers Council for Russian piloted programs Resolution No. 285-01/06...

Next: UNSOLVED PROBLEMS Up: OTHER HYDROGEN-DEFICIENT STARS Previous: Carbon stars . During the past century, three stars have been observed as being both hot subdwarfs and RCB stars at different times. V605Aql is now the hydrogen-deficient central star of a planetary nebula (Abell58). ... In 1996, an unremarkable faint blue star suddenly brightened and within three years had become a very cool and luminous carbon star, now known as Sakurai's Object or V4334Sgr ([ Nakano et al. ... 1999 ]). ...

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• Armagh Observatory Preprint No. ???
• Unsolved Problems
• Other Hydrogen-Deficient Stars