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... 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. ...

NStars 1: photometric surveyse --- | NStars 2: proper motion stars . Theses 100 sources fall between the giant-dominated sample of the brightest 2MASS sources and the dwaf-dominated fainter targets. ... Figure b1.1 plots the (RA, Dec) and colour-magnitude distributions for the sample. ... Figure b1.2 plots relevant data for the 34 stars which currently lack either identifications or spectroscopic observations from this sample. ... Faint sample . ... NStars Photometric surveys index . ...

... This thread contains a step-by-step recipe to extract MOS spectra of a point-like source observed in Imaging mode and to create associated response matrices, starting from a calibrated, concatenated event list (either produced with emproc or available as PPS product; here it has the assumed file name MOS.fits ). ... The users should note that the SAS metatask xmmselect allows them to interactively define source and background regions (via ds9) and to run backscale on the fly. ...

... 172 ] Briefly, the count rate at the detector from a source at a redshift z is . ... Figure 55 shows the ``Green functions'' for the double compact binary merging rate   evolution assuming no collapse anisotropy. ... Another way that diverse peculiarities in the - distribution induced by the sources evolution could arise is connected with a possible non-monotonic character of the star formation rate in galaxies. ... 22 ] Figure  56 shows two-dimensional cuts through the parameter space. ...

Isabel Leonor University of Oregon searched 25 S2 GRBs for coincident G-waves of duration ~1 ­ 10 ms used crosscorrelation method explored data conditioning in the frequency domain, included whitening and phase correction ­ luxury of limited on-source and off-source data to analyze injected signals to study sensitivity of pipeline used playground data with no GRB trigger data analysis code (standalone), injection and calibration scripts, written using Matlab ...

An investigation of the spectral energy distribution (SED) of the compact steep-spectrum (CSS) source and possible radio-loud narrow-line Seyfert 1 galaxy (NLS1), PKS 2004-447, is presented. ... Analysis of a non-contemporaneous, low-resolution optical spectrum suggests that the narrow-line region (NLR) is much more reddened than the X-ray emitting region suggesting that the gas-to-dust ratio in PKS 2004-447 may be very different than in our own Galaxy. ...

... The results of long-term monitoring of Gigahertz-Peaked Spectrum sources were found the statistically significant differences (0.05 significance level) in the high-frequency spectral index distribution between subgroups of galaxies and quasars. ... This can mean that the electron energy distribution for GPS galaxies is steeper than for GPS quasars. ... The first area corresponds to GPS-quasars that have statistically larger value of redfhift, second area corresponds to GPS-galaxies. ...

CATS home ] [ Back to CATS list ] [ ftp ] . ... Received 1999 November 5; accepted 2000 February 10 Since radio sources with Ultra Steep Spectra (USS; alpha -35ddeg, we selected only sources with angular sizes Theta Comparison with spectrally unbiased samples at similar flux density levels, shows that our spectral index, flux density, and angular size selections do not affect the angular size distribution of the sample, but do avoid significant contributions by faint foreground spiral galaxies. ...

... Archives . ... Quote of the Week, July 12, 2007 . ArXiv] Complete Catalog of GRBs from BeppoSAX, July 13, 2007 . Jul 13th, 2007| 07:24 pm | ... From arxiv/astro-ph: 0707.1611 Probabilistic Cross-Identification of Astronomical Sources by Budavari and Szalay . As multi-wave length studies become more popular, various source matching methodologies have been discussed. ... Are there any power related studies on source matching statistics? ... Chandra Blog . ... Stat S/W Resources . ...

... 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 . ...

... Astrophysics Group . ... AMI Local Resources . ... AMI Day . ... AMI Small Array Webcam . AMI Large Array Webcam . Small Array Status , Monitor data ? ... Large Array Status , Monitor data ? ... Phase-switch-related electronics appear in the Control Electronics page below) . ... Technical meeting minutes (files listed as YYMMDD) . Science meeting minutes . Data reduction meeting minutes (files listed as YYMMDD) . ... Archive Minutes (2000-2005): Technical meeting minutes | ...

Results on nonequilibrium distributions of charged particles and radioisotope sources of current are as the following: . the new power-law distribution of charged particles in nonequilibrium media, for example, in the thin metalic films, under powerful energy source pumping were obtained ( together with V.I.Karas, V.M.Kontoriovich, V.E.Novikov); . ...

... Canadian Astronomy Data Center, DAO/NRC . SkyCat is a tool that combines image visualization with access to astronomical catalogs and data archives. SkyCat uses a standardized URL syntax to access a large number of data sources on the net. ... More information on SkyCat can be found at the SkyCat Web site. The ESO SkyCat Tool includes the following features: . ... PostScript color printing of the display (image + graphics), . ... overlay catalog sources on an image, . ...

... The source exhibits a mas-scale structure which, according to the USNO multi-epoch monitoring at 2.3 and 8.4 GHz over the period from 1994 July through 1998 April, undergoes considerable changes in the brightness distribution and positions of the major structural features. Our image is qualitatively consistent with the structural pattern of the source. ... We note a difference of ~90 in position angles of secondary components in our image and the 5 GHz VLBI image by Shen et al. 1998). ...

... Observatory . ... Science . ... Science Users Information > Science and Technical Meetings > Conferences 2002 > vo2002 . ... ESO Data . ... Virtual Observatory Tools . ... A virtual observatory (VO) is a collection of interoperating data archives and software tools which utilize the internet to form a scientific research environment in which astronomical research programs can be conducted. ... Firstly, there is an explosion in the size of astronomical data sets delivered by new large facilities. ...

... Visited 8168 times - Selected 52 months ago . ... Visited 4099 times - Selected 51 months ago . ... Visited 5378 times - Selected 51 months ago . ... Visited 4661 times - Selected 51 months ago . ... Visited 5590 times - Selected 51 months ago . ... Visited 5997 times - Selected 51 months ago . ... Visited 5377 times - Selected 51 months ago . ... Visited 9073 times - Selected 52 months ago . ... Visited 5524 times - Selected 52 months ago . ... Visited 4289 times - Selected 183 months ago . ...

... Trouble Reports . Anonymous FTP . APO35 Mailing Lists . ... These are distributed to people at each member institution, including someone who is reponsible for making the information available to other people. The trouble reports presently exist as paper in a notebook. ... Various files are distributed via anonymous ftp, including the current version of Remark, drawings, and some outdated documentation that has not been transferred to WWW. The address is: ftp.apo.nmsu.edu. ...

. Data Sources and Meetings . Journals . Cosmic projects . SoftWare . IAU . SkyView . EAS . Infrared Sky Survey Atlas . Astronomy Meetings . SISSA preprint archive . Physical Conferences . ARIBIB . Astron. Circ. Ghost Script .

home education > resources . SEARCH ASP SITE: Match ALL words Match ANY word . ... Resources . ... Astronomy Education Bibliography . ... Astronomical Pseudo-Science . ... Astronomy of Many Cultures Resource Guide . ... Black Holes: An Introductory Resource List . ... Space Science Education Resource Directory . ... A New York Times reporter examines the work of John Mack on UFO abductions and critiques the whole phenomenon and the media's exploitation of it: http://www.around.com/abduct.html . ...