Next: Observations Up: The Nuclear Region: HI Previous: The Nuclear Region: HI . There are mainly two questions to be addressed: 1) What causes the large velocity width (several hundred kms -1 ) of the absorption lines detected against the nuclear regions of galaxies? 2) Why are the absorption line widths observed against the nuclear radio continuum similar to those measured in emission over the whole extent of the galaxy? ...

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• HI associated with the Centaurus Group dSph CEN_41
• The Nuclear Region: HI Absorption Measurements
• Previous HI observations of dSph galaxies

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

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• Lecture Series 2011-2012 ? тАЬSearching for Earthlike WorldsтАЭ ? Debra Fischer
• Observing ? Amateur Astronomers Association of New York
• Observing Events ? Amateur Astronomers Association of New York

... During the analysis of the surveys carried out on RATAN-600, it was found that almost one fifth of the detected sources shows significant radio flux variations. ... We used the data from "Cold" radio surveys carried out with RATAN-600 in 1980-1994 to search for radio sources with significant flux variability. ... On possibility of detection of variable sources using the data of Cold surveys carried out on RATAN-600. ... Detection of Variable Sources Using the Data of "Cold" Surveys. ...

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Detected Supernovae . The search have produced till now the detections of 4 SNe. ... This result highlights the power of infrared monitoring in detecting Obscured SNe and indicates that optical surveys are probably missing a significant fraction of SNe, especially in obscured systems such as starburst galaxies. ... In Fig. we show the archival SOFI image of NGC3256 (left) and the first image obtained in 2001 (right) where SN2001db has been detected. ...

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• K-band Arcetri Obscured Supernova Search - What is the KAOSS Projrect?
• NIR Inages of H2O Masers (Abstract)
• BD_disks (Abstract)

... A detailed study of two consecutive bright points observed simultaneously with CDS, EIT and MDI is presented. The analysis of the evolution of the photospheric magnetic features and their coronal counterpart shows that there is a linear dependence between the EIT Fe XII 195? flux and the total magnetic flux of the photospheric bipolarity. ... In a follow-up study, we used wide slit (90arcsec240arcsec) movies of four EIT coronal bright points (BPs) obtained with CDS. ...

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• Armagh Observatory
• Mutual Events of the Uranian Satellites
• Explosive Events

ROSAT OBSERVATIONS OF PSR 0355+54 and PSR 1642--03 1 Patrick Slane Harvard­Smithsonian Center for Astrophysics 60 Garden Street, Cambridge, MA 02138 USA ABSTRACT PSR 0355+54 and PSR 1642--03 are both radio pulsars whose X­ray behavior was left unresolved by Einstein observations. 1;2 In each case, faint emission was detected near the sources, but appeared to be concentrated 1--2 arcmin from the known pulsar positions. ... Seward, F. D., & Wang, Z­R 1988, ApJ, 332, 199 3. ... 1993, ApJ, 413, L27 7. ...

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• X--ray Quiet PMS Candidates
• Source Selection
• Rotation Periods of PMS Stars

... 28.11.2001 . ... Credit: Greg Bacon ( STScI /AVL) Explanation: By directly detecting the atmosphere of a planet outside our Solar System , humanity has taken another small step toward finding extraterrestrial life . ... November 2001 . ... 2001 2002 . ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ... Publications with keywords: extrasolar planet . Publications with words: extrasolar planet . ... Atmospheres Detected on Two Extrasolar Planets . ...

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• XWare > APOD

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . Whatcom Association of Celestial Observers is a community based society dedicated to preserving the arts and skills of amateur astronomy. ... Listed Since January 29, 1999 . ... Web Site . ... Web . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Grand Rapids Amateur Astronomical Association, AstroGuide Listing
• Peterborough Astronomical Association, AstroGuide Listing
• Naperville Astronomical Association, AstroGuide Listing

IFP gallery SCORPIO (since 2000). Here some data observed on the 6m telescope with IFP installed in the SCORPIO focal reducer are presented. ... Velocity field . Mkn 1157 was observed 1 Sep. 2002 in the Ha emission line. Texp =32x240 sec, seeing 1.5", IFP260. ... This galaxy was observed September, 23 2000 in the Ha emission line, Texp=32x120 sec, seeing 2.5", IFP260. ... PV Cep was observed at the 6m telescope in May, 25 2003 in the [SII] 6716A with IFP501, Texp=36x200 sec, seeing 1.0". ...

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• Emission molecular bands
• Fabry-Perot Interferometer: Gallery Old
• Optical seminars:2006

... Science Users Information > Data Handling and Products > Data Reduction FAQ > Is it possible to calibrate the visibility data of our object with a calibrator observed in another mode? ... Observing Facilities . ... Observing with ESO Telescopes . ... Observing Tools and Services . ... ESO-MIDAS . ... Data Handling and Products . ... Data Pipelines and Calibrations . ... ESO Data . ... ESO Data Access Policy . ... The calibrator data should be reduced using MIA in HIGH_SENS mode (mode "D"). ...

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• Growing Galaxies Gently | ESO
• ESO - Data Releases
• ESO - Why do I get the message that "no slits could be detected", even though

. -!> download . Left: Consequtive explosion of 20 supernovae during 30 Myr. Right: Single hypernova (GRB) explosion with the total energy equivalent to 20 supernovae. The simulation was performed using a 2D Eulerian hydro code. The animation was done using IDL. -!>

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ASTRONOMICHESKII TSIRKULYAR No.1573, 2010 April 12 1995 2009 . A Comparison of the Latitudinal Variations of the Methane Absorption Bands on Saturn's Disk at Equinoxes 1995 and 2009 Abstract. The observations of Saturn at last equinox 2009 have detected significant differences of the latitudinal variations of the methane absorption from observed at 1995 equinox . ... 1995 . 2008- 2009 , ­ . ... 4 ( 580-880 ) , (.1) , 2008-2009 . ... 2 , 4 725 1995 2009 . ... 1995 2009 15 , 1980 1995 . ...

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• http://comet.sai.msu.ru/~gmr/p208.pdf
• http://comet.sai.msu.ru/~gmr/poster_1.072.pdf
• G. Rudnitskij's Links

... The best-known early observations of the Sun from space were the ones made in 1973 from the space station Skylab . ... Field lines of coronal holes, on the other hand, seem to extend far outwards, their ends dragged by the solar wind to the Earth's orbit and far beyond it. ... It was immediately suspected that such bubbles--named "Coronal Mass Ejections" (CMEs) marked the first stage of the development of interplanetary plasma clouds, some of which initiated magnetic storms when they reached Earth. ...

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• Chronology of Magnetospheric Exploration
• Spacecraft Observing the Sun and the Heavens above
• Multipoint correlations of the solar wind parameters observed by several

... Tonight's Sky . ... Observing . ... Supernova showered Earth with radioactive debris . ... galaxies . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... Record supernova observed . ... 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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• Has dark matter ever been detected in or around the Milky Way Galaxy? |
• Swiftly refining GRBs | Astronomy.com
• New super-Earth detected within the habitable zone of a nearby cool star |

... The Stellar Oscillations Network Group (SONG) seeks to study p-mode (acoustic) oscillations in solar type stars. ... The observation of many solar-like stars will also help us to understand how solar p-modes are excited and damped. ... Naively, the two or three orders of magnitude improvement over this provided by the normal 1 second time resolution of the KPNO CCD cameras should be quite sufficient for such a detection. ... Figure: Non-cadenced data-a free-running observing sequence. ...

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• Organizing Observational Data at the Telescope
• AIRY: Astronomical Image Restoration in interferometrY
• Titan Image Processing

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...

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• astro-ph

... A tussle in the distant Universe. This Hubble Space Telescope image shows evidence for a merger between a quasar and a companion galaxy. The quasar is the bright object just beneath the image center, and the wisps of material around it are remains of a galaxy disrupted by the interaction between it and the quasar. ... Galactic Nuclei: Old Quasars? Quasars as Probes of the Distant Universe . ... Quasars. ... The name quasar is made up with parts of the words "quasi-stellar radio." ...

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• ASP: Clubs and Organizations
• ASP: Astronomy Behind the Headlines
• ASP: The Music of the New Spheres?

... Fitting the observed dependence includes calculations of the polarization cross-sections averaged over particles orientation and size distribution, their normalization and the comparison of obtained dependencies with Serkowski's curve representing observational data for a chosen star. ... Variations of the polarization factors with wavelength are shown in Fig. 16 for homogeneous spheroidal particles with PF orientation. ... The distinction between prolate and oblate spheroids is also clearly seen. ...

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• Footnotes
• Silicate minerals
• Wavelength dependence

Towards Practical Applications of THz Josephson Oscillators with Sub-mW Power and 500 GHz Frequency Tunability H. B. Wang1, 2, *, J. Yuan2, D. Y. An1, 2, N. Kinev3, M.Y. Li1, 2, X. J. Zhou1, M. Ji1, 2, Y. Huang1 ... Collective Quantum Phenomena in LISA+, Universitaet Tuebingen, D-72076 Tuebingen, Germany *Email: hbwang1000@gmail.com maximum detected power of 25 W, the frequency can be tuned by either bias ... Emission of coherent THz radiation from superconductors", Science 318, 1291, 2007. ...

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BRIGHT OPTICAL FLASH FROM GRB 060117 - AN EXAMPLE OF EVENT DETECTED WITH OMC CLASS INSTRUMENT Д Д Petr Kubanek1,2 , Martin JelД inek3 , Michael Prouza4,5,6 , Rene Hudec1 , and Martin Nekola1 1 Astronomicky ustav Akademie ved Ceske republiky, Ondrejov, Czech Republic ДД Д 2 INTEGRAL Science Data Center, Chemin d'Ecogia 16, Versoix, Switzerland 3 Instituto de AstrofД isica de AndalucД (IAA-CSIC), Granada, Spain ... INTEGRAL GRBs are detected during -ray observations of knows sources. ...

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• http://hea.iki.rssi.ru/conf/hea2007/presentations.orig/26.12.07/chernyakova.pdf
• http://hea.iki.rssi.ru/integral06/papers/F36_Del_Santo02-04May07_15:17:45.pdf
• http://hea.iki.rssi.ru/integral06/papers/D03_Sazonov01-18May07_11:51:28.pdf