2014 May version . ... Green D. A., 2014 , Bulletin of the Astronomical Society of India, 42 , 47-58. ( .pdf , or arXiv.org:1409.0637 ) If you make use of the detailed version of the catalogue, then plaese also cite: . Green D. A., 2014, `A Catalogue of Galactic Supernova Remnants (2014 May version)' , Cavendish Laboratory, Cambridge, United Kingdom (available at "http://www.mrao.cam.ac.uk/surveys/snrs/" ). ... Copyright D. A. Green 2014. 25872nd access to this version of the catalogue. ...

Next: Extragalactic Gravitational Wave Background Previous: Transparency of the Stochastic . Let the sky be observed with a detector having a pencil beam diagram across. The number of stars per frequency decade that is swept by the detector is a function of celestial coordinates (say, galactic coordinates l , b ): . ... It is clear from the figure that for an all-sky detector the Galaxy becomes transparent above the frequency  Hz. ...

... The Westerbork Synthesis Radio Telescope (WSRT) in the Netherlands has been used to survey a section of the galactic plane at a radio frequency of 327MHz. ... Intensity data from the seperate epochs were combined, and the resulting images mosaiced to produce a single image of the entire survey region. ... The WSRT 327 MHz Galactic Plane Discrete Source Catalogue . ... It is available as a unix compressed Postscript file [164 Kbytes] and an ASCII text file [339 Kbytes]. ... Postscript [160 Kbytes] . ...

... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...

ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ...

Paolo Padovani . Original Version: `New Horizons from Multi-Wavelength Sky Surveys', B. McLean et al. eds., p. 257. ... Active Galactic Nuclei (AGN) are ideal sources for multi-wavelength studies as their emission can cover almost 20 orders of magnitude in frequency from the radio to the gamma-ray band. ... I will then briefly illustrate how currently available and forthcoming sky surveys will help in addressing some of the open questions of AGN studies. ... Figure 1 (65kb) . Figure 2 (23kb) . ...

GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...

... HST . ... Home . ... Data . ... HST Peer Review Process . ... WFPC2 Home . ... Instrument Home . ... Calibration . Calibration Home . Calibration Plan . ... LRF Data . ... Data Analysis . Data Analysis Home . Data Analysis Library . ... Instrument Handbook . Data Handbook . ... Dither Handbook . ... Input "Frequency 0 " in relation: Flux = Flux 0 ( Frequency / Frequency 0 ) -(Spectral Index) . ... Values above 10 7 are taken to be frequency in Hz. ...

... 1998: . The structure of neutral interstellar hydrogen emission at high galactic latitudes from 45 to 90 degrees was studied for the first time with the RATAN-600 at a wavelength of 21cm. The on galactic latitude dependence of the average characteristics of hydrogen distribution in the sky corresponds to the distribution of gas in the Galaxy in the shape of a flat layer. ... Archive . ...

Astronomy Picture of the Day . The Galactic Center A Radio Mystery . ... 28.01.1999 . ... Credit: N. E. Kassim, D. S. Briggs, T. J. W. Lazio , T. N. LaRosa, J. Imamura ( NRL /RSD) Explanation: Tuning in to the center of our Milky Way galaxy, radio astronomers explore a complex, mysterious place. ... NASA Web Site Statements, Warnings, and Disclaimers . ... Publications with keywords: radio - Galactic Center - Milky Way . Publications with words: radio - Galactic Center - Milky Way . ...

... A2217 Date Received: 2006-Feb-14 12:55:55 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Astronomy Continuum Galactic 30 Hours Multi-frequency Continuum Mapping of SNR192.8-1.1 At Arecibo, we recently observed faint, high velocity HI "wings" having velocities forbidden by Galactic rotation. ... This proposal requires coordination with Punta Salinas radar within the band 1222-1381 MHz.. ...

The 2dF QSO Redshift Survey (2QZ) . ... Before jumping into all the finer details of teh survey, a brief non-astronomer's guide to redshift surveys is available. ... The primary scientific aims of the QSO survey are: (1) to obtain the primordial fluctuation power spectrum out to COBE scales, (2) to determine the rate of QSO clustering evolution in the non-linear and linear regimes and hence obtain new limits on the value of and the bias parameter, (3) to apply a powerful geometric method to measure . ...

... The GaLactic and Extragalactic All-sky MWA (GLEAM) Survey comprises of over 300,000 catalogued components and represents a huge leap forward in our understanding of the low frequency radio sky. ... Highlights will include improved understanding of the star formationm of local star forming galaxies, searching for clusters at high redshift around radio-loud active galactic nuclei and searching for the first black holes. ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

... The obtained results lead to the following conclusions: a) the heavy element enrichment had taken place in the Galaxy in a few bursts of its activity rether than in a continuons manner; b) these bursts occured during the callapse of the early Galaxy; c) the star formation had been inhibited in the time of the bursts; d) the metal enrichment did not proceed in the periods of star formation, between these bursts of activity. ...

... Пресс-релиз компании Virgin Galactic - Virgin Galactic Appoints Kelly Latimer As Pilot от 9 ноября 2015 года [ссылка проверена 09.11.2015]. ... Статья FAA recognizes Kelly Jane Latimer от 18 сентября 2013 года в электронной версии газеты Aviation Business Gazette [ссылка проверена 11.11.2015]. ... Статья Virgin Galactic Recruits Female Test Pilot Kelly Latimer от 9 ноября 2015 года на сайте SPACE.com [ссылка проверена 12.11.2015]. ...

IAU Colloquium 164: Radio Emission from Galactic and Extragalactic Compact Sources ASP Conference Series, Vol. ... The light curves as well as the variability parameters are given. ... Adopted Calibrator Sources Flux Densities. ... Because of lack of space Figures 2--4 and Table 2 with all data (flux densities and their errors, light curves, derived variability parame­ ters) are available electronically via ftp on site big1:sao:ru in directory =data=ratan=variability paper. ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2002 August 3 . The Galactic Center - A Radio Mystery . ... Explanation: Tuning in to the center of our Milky Way galaxy, radio astronomers explore a complex, mysterious place. A premier high resolution view, this startlingly beautiful picture covers a 4x4 degree region around the galactic center. ... About APOD | ...

... Milky Way . ... Map of the Milky Way (based on data from NASA's Spitzer Space Telescope) showing its two major stellar arms and central bar. ... ТљIn written science fiction, one often encounters another navigational convention, where towards the Galactic Centre is described as т??Corewardт??, away from the Centre towards the rim of the Milky Way is т??Rimwardт??, objects in the direction of the Galaxyт??s rotation are т??Spinwardт??, while objects in the opposite direction are т??antispinwardт?? ...

... The first task assumes the searching for chemical composition and sizes of particles which give the wavelength dependence of the extinction efficiencies close to the observed dependence of . Figure 7: Wavelength dependence of the extinction efficiency factors for homogeneous spherical particles of different sizes consisting of astronomical silicate and amorphous carbon. The dashed segment shows the approximate wavelength dependence of the mean galactic extinction curve at optical wavelengths. ...