... LABORATORY OF RADIO ASTRONOMICAL OBSERVATIONS . Radio sources identification is one of the most important tasks of the current radio astrophysics. ... Optical idetification. ... Optical identifications of subsample of steep spectra radio sources from RC catalog using 6m SAO telescope of SAO RAS: optical observations. ... Astronomy Reports. ... Identification of radio sources with data of various radio catalogs allows one to construct continual spectrum of the object and its radio structure. ...

... 88, Jan. 1983, p. 1-15. l. A survey of extragalactic radio sources made using driven declination scans is reported covering an area of about 0.07 sr to a limiting flux density of 35 mJy. The fast-scan survey was carried out at a galactic latitude greater than 17 deg with the NRAO 91-m telescope operating at 4.755 GHz, and the 480 sources detected were reobserved at 1.4 GHz with the National Astronomy and Ionosphere Center 305-m telescope at Arecibo. ...

... About ATNF overview . ... Parkes radio telescope . ... Online Resources . ... Australia Telescope 20GHz Survey . ... We present the first results from a study of the radio continuum properties of galaxies in the 2dF Galaxy Redshift Survey, based on thirty 2dF fields covering a total area of about 100deg 2 . ... mag. are detected as radio continuum sources in the NRAO VLA Sky Survey (NVSS). ... radio continuum: galaxies, galaxies: distances and redshifts, galaxies: active, galaxies: starburst . ...

... 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. ...

Thanks for your interest in accessing one of the higher education resources on the ASP website, and we hope you find it useful. ... So please help us by taking a minute to answer just a few questions below before downloading the resource. ... 4-year college instructor . ... NASA education/outreach/communications professional . ... With what type of course or program do you expect to use this resource? ... High school physics course . High school Earth science course . ... Skip to the resource . ...

... Galaxy Evolution home . ... The origin and evolution of radio sources . Radio sources and their environments . ... We are investigating how this interaction effects galaxy evolution in general as well as the feedback effect of the radio source on its host galaxy and AGN. ... One direct observational manifestation of this interaction is the existence of extended regions of emission-line gas which show a clear spatial relationship to the radio source itself. ...

We present ultraviolet, optical, near-infrared, Spitzer mid-infrared, and radio images of 14 radio-selected objects in M33. ... We have detected the majority of cluster candidates in M33 at all wavelengths. ... These results suggest that 11 of the 14 radio-selected objects are optically visible young star clusters with a surrounding H II region, that 2 are background objects, possibly active galactic nuclei (AGNs), and that 1 is a Wolf-Rayet star with a surrounding H II region. ...

... The VSOP Survey Continuum Source List . The radio sample for the VSOP continuum survey was defined to include all extragalactic radio sources with: . a total flux density at 5 GHz, S>=1.0 Jy . ... The sample also included all sources in the sky with a 5 GHz flux density S>5 Jy, regardless of spectral index and galactic latitude. ... The source would then be included in the VSOP sample (three of the sources were found with a flux density above 1 Jy and added to the sample). ...

Next: Sample Properties Up: Sample Identification Previous: Comments on Individual Sources . Previously known serendipitous sources were selected by cross-correlating WGACAT with a variety of optical and radio catalogs, including the Ver?n-Cetty & Ver?n (1996) and Hewitt & Burbidge (1993) quasar catalogs, the 1 Jy (Stickel et al. 1994) and S4 (Stickel & K?hr 1994) radio catalogs, and the BL Lac catalog of Padovani & Giommi (1995b). ... Details of these 97 objects are given in Table 6. ...

... The Einstein On-Line Service (EOLS) is a simple menu-driven system which provides an intuitive method of querying over one hundred database catalogs. In addition, the EOLS contains over 30 CD-ROMs of images from the Einstein X-ray Observatory which are available for downloading. The EOLS provides all of our databases to the NASA Astrophysics Data System (ADS) and our documents which describe each table are written in the ADS format. ... The EOLS provides three options for data retrieval. ...

... RC0133+0459 . ... RC0154+0459 . ... Radio source parameters . R.A.(J2000) Dec.( J2000) R.A.(B1950) Dec.( B1950) Freq. Comp. ... Parameters of optical candidates for identification . ... B1950) Magn. ... Crosses mark radio source components ps . Last updated 19 Dec 2000 ...

The Astronomy Net . Articles | AstroGuide | ... Forums . ... H ere you can find resouces to help understand perhaps the grandest of all sciences. ... Upcoming Sky Events . ... This site includes lists of manufacturers, vendors, software, etc. organized in the AstroGuide to help when you are looking to purchase your tools. ... Astronomy Articles . ... Are you interested in writing an article for the Astronomy Net? ... www.astronomy.net . ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... 13-Aug-2014 12:13 106K lk_20140815_0905.tar.. 15-Aug-2014 09:06 106K lk_20140901_0823.tar.. 01-Sep-2014 08:23 103K lk_20141016_1324.tar.. 16-Oct-2014 13:25 103K lk_20141211_1708.tar.. 11-Dec-2014 17:08 103K lk_20150430_0315.tar.. 30-Apr-2015 03:15 103K lk_20150430_0420.tar.. 30-Apr-2015 04:20 103K lk_20150818_1511.tar.. 18-Aug-2015 15:11 104K lk_20151113_1903.tar.. 13-Nov-2015 19:04 105K lk_20160314_0610.tar.. 14-Mar-2016 06:11 105K . ...

... Now, all three programs come in one easy to build package. ... Unfortunately, because it is the only brand of F90 compiler I have access to, the source codes can only be guaranteed to build with Intel Fortran Compiler v6.0 , and now with the newer v7.1 . ... Binary RPM - RedHat 8.0 Binary RPM Package (~2.8 MB) [ How to install ] . Source RPM - Source RPM package (~1.7MB) [ How to install ] . ... Source RPM - Source RPM package (~2.5MB) [ How to install ] . ... Chris Winter, 2007 . ...

True Color Image Gallery: Galactic SNR | Magellanic Cloud SNR . Common Name: G76.9+1.0 . ... Position of Central Source (J2000) : ( 20 22 21.7, 38 42 14.9 ) . X-ray size: point source? ... Radio . ... Radio Images Page . ... Exposure uf . ... Exposure uf Exposure time of unfiltered event file . Exposure f Exposure time of filtered event file . radio remnant is 9' dia . ... see fit detail page for more about the fit. see chandra spectrum page for region used. ... Radio Images . ...

... The Arecibo RFI Environment: . ... This page shows the present environment for RFI at Arecibo. the web page is: http://www.naic.edu/%7Etghosh/smarg/smarg-vig1.html . The Northern VLA Sky Survey (NVSS) : . ... The NASA/IPAC Extragalactic Data Base (NED): . This is built around a master list of extragalactic objects for which cross-identifications of names have been established, accurate positions and redshifts entered to the extent possible, and some basic data collected. ...

The Texas survey of radio sources covering -35.5{deg} < {delta} < 71.5{deg} at 365MHz . ... We present the Texas Survey of discrete radio sources between -35.5deg and 71.5deg declination (B1950), which was carried out at 365MHz with the Texas Interferometer during 1974-1983. ... The Texas Survey . ... The sources in the simpler model. ... Right Ascension 1950 . ... field separator . ... Some sources came from Version 6 of the Texas Survey ('TS6' in strp field) or Version 7 ('TS7' in strp field) . ...

... A patch exist for tsearch to regenerate oids when a dump file is loaded into a new database. Future versions of tsearch will not have a problem with dumping and reloading. For now to apply the patch, download the following file to the root of your PostgreSQL source tree (not contrib/tsearch2). http://www.sai.msu.su/~megera/postgres/gist/tsearch/V2/regprocedure_7.4.patch.gz In the root of your PostgreSQL source tree, it's assumed that you have run configure with the options you want. ...

... Here is the outline of the current algorithm to choose the (possibly the most reasonable) Prime source when primestyle =auto. ... the proposed source, if the proposal source is within the FOV (of RGS) and is not confused with other EPIC sources. A likely scenario is this: the central chip of EPIC is used in the timing mode, where no EPIC source list is extracted; as a result no source appears at the proposed position, which is most likely to be at the EPIC central chip. ...

The Variable Gamma-Ray Source 2CG 135+01 ApJ, 497:L89-L91, 1998 7 h gamma AGN variability . gamma-radio-AGN-variability ADS query . ... Model for the High-Energy Emission from Blazars 1993ApJ.. ... Possible Production of High-Energy Gamma Rays from Proton Acceleration in the Extragalactic Radio Source Markarian 501 astro-ph/9803241 K.Mannheim . ... A theoretical unifying scheme for gamma-ray bright blazars astro-ph/9807317 G. Ghisellini, A. Celotti, G. Fossati, L. Maraschi, A. Comastri . ...