... 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. ...

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... ATNF Home . About ATNF . ... About ATNF overview . ... Governance overview . Australia Telescope Steering Committee . ... Parkes radio telescope . ... Information & tools for observers . ... Online Resources . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... Recently, the OGLE team have reported a clear quasar microlensing signal in Q2237+0305. ... From light-curve fitting, I unambiguously set the source size of Einstein Ring radius as a conservative limit. ...

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HUBBLE SPACE TELESCOPE DAILY REPORT #1054 PERIOD COVERED: 0700 EST Daily Status Report as of 017/1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed GHRS/2 4385 (Spectroscopy and Imagery of an External Source; Cycle 3 High) The High Resolution Spectrograph was used to make spectroscopic observations of three different regions in the Orion Nebula (aka, M-42) to obtain its chemical abundance. ... The test images were reported to look fine. ... All of the images were reported to be blank. ...

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• http://www.stsci.edu/ftp/observing/status_reports/old_reports_97/hst_status_07_03_97
• http://www.stsci.edu/ftp/observing/status_reports/old_reports_99/hst_status_11_04_99

New Moons of Uranus . Brent Gladman's Home Page . ... The discovery of two probable distant satellites of Uranus was reported by B. Gladman, P. Nicholson, J. Burns and J. Kavelaars. ... This discovery was reported in the IAU Circular 6764 . ... Discovery image of S/1997 U 2 . This shows the discovery image of brighter of the two new moons of Uranus. ... This shows the discovery image of faint new moons of Uranus. ... This shows another discovery image of faint new moons of Uranus. ... Uranus . ...

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... Description(Russian): [ HTML ] [ PDF ] . ... 2002 : source L A T E X and export to [ HTML ], [ PDF ], [ PS ], [ OpenOffice ], [ MSWord ] . 2003 : source L A T E X and export to [ HTML ], [ PDF ], [ PS ], [ OpenOffice ], [ MSWord ] . 2004 : source L A T E X and export to [ HTML ], [ PDF ], [ PS ], [ StarOffice ], [ MSWord ] . 2005 : source L A T E X and export to [ HTML ], [ PDF ], [ PS ], [ StarOffice ], [ MSWord ] . ... 2014 : source HTML and export to [ PDF ], [ MSWord ], [ ODT ] . ...

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... P2205 Date Received: 2006-Feb-01 13:23:49 Technical Page Proposal Type: General Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Pulsars 21.5 Hours Monitoring and Timing of RRAT Sources We have recently reported the discovery of a new class of Rotating RAdio Transients ( RRATs ), 11 ob jects characterized by repeated radio bursts with widths of 2 to 30 ms. While periods in the 0.4 to 7 s range have been measured from the arrival ...

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... OH, = 18 cm Nancay Radio Telescope, OH 18-cm line observations , since 1969 F, Jy 6 4 2 0 0 -1 -2 0 -1 -2 0 -2 -4 -6 30 40 50 1612 MHz I HU Pup August 5, 2009 1665 MHz 4 2 0 0.5 0.0 - 0.5 -1.0 -1.5 1.0 0.5 0.0 - 0.5 4 3 2 1 0 -1 1667 MHz I I 1.0 0.5 0.0 0.5 0.0 22-meter telescope, Pushchino Radio Astronomy Observatory H2O F, Jy 1.0 0.5 0.0 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.6 0.6 0.4 0.2 0.0 -0.2 -0.4 -70 -60 -50 -40 -30 -20 -10 0 Mira-type star R Leo. ...

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home education > resources . ... Education from Mercury . ... Selected Topical Bibliographies . Astronomy Education Bibliography . ... Astronomical Pseudo-Science . ... Foothill College the Astronomical Society of the Pacific) . ... Sletteback, A. Jettner, F. "Proceedings of the Conference on Education in Astronomy, August 1969" in Bulletin of the American Astronomical Society, vol. 2, p. 254 (1970). ... Accompanied, later in the same book, by a "Catalog of National Astronomy Education Projects".) ...

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... 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. ...

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XMM-Newton SAS Scientific Validation and Data . ... the level of accuracy associated with those products The outcome of the SAS science validation for each test dataset is summarized in a report, available along with the dataset. ... The Scientific Validation Report v2.1(.ps.gz) is available for the SAS v6.5 Scientific Validation SAS v6.5 Scientific Validation Preliminary Report . The Preliminary Report (.ps.gz) is still available for SAS v6.5 Scientific Validation SAS v6.0 Scientific Validation . ...

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... The stars examined here were primarily culled from two lists of X--ray sources in Orion. ... The second region is two degrees in extent east--west and ten degrees north--south with Orionis being near the northern edge. ... In the end, two main regions were chosen for monitoring: stars near Orionis and stars northwest of the belt of Orion. ... The PSPC identified 22 sources within 15 of Orionis in addition to the sources listed in Table 1 , giving a total of 85 X--ray sources in the Orionis region. ...

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... Science . ... Science Users Information > Science Publications > Science Announcements > Observing Run Progress Reporting Improvements . ... Science Users Information . Observing Facilities . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... ESO Annual Reports . ... ESO has recently expanded and improved the user experience in obtaining information about, and data from, Service and Visitor Mode runs on the Run Progress Pages. ...

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... Seminar archive . ... The structure of the X-ray sources in the hard spectral state of accreting black-hole binaries has been a subject of intense debate. The paradigm dominant for many years postulated that the accretion disc in the hard state is truncated at some radius >> the innermost stable orbit (ISCO) whereas the disc reaches the ISCO in the soft state. ... On the other hand, there have been numerous claims in recent years that the disc extends to the ISCO in the hard state. ...

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... We compare our results with the GRANAT X-ray observations of the Galactic center (Churazov et al. ... It is instructive to compare our results for the Galactic center starburst with what might be expected for a continuous star formation, with the average rate characteristic for the whole Galaxy. For this continuous star formation model, we would expect to observe in the region of around the Galactic center about 10% of the total number of X-ray sources in the Galaxy. ...

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Comment on J0513-2159 . Our image shows an extension to about 5 mas SE from the brightest feature. The EVN 8 GHz image by Dallacasa et al. (1998), with about five times larger resolution, shows an extension from the brightest feature roughly opposite to our direction. As noted by Dallacasa et al. (1998), the structure detected has a highly inverted spectrum, which, together with the reported variability in the source, could explain the structural disagreement. ...

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... Object: forward scatter meteor observation report - Leonids 2001 Observer: Valter Gennaro 1 Latitude: N 46° 16' Longitude: E 13° 05' Altitude: m above m.s.l. 185 Town: Osoppo (UD) Country: Italy Receiver: ICOM-7100 USB mode Antenna: 5 el. Yagi 2 Observed frequency: 55.24870 MHz from Liege Bol 5000 sample/sec SoundBlaster 16 bit mono During the past 17th and 18th November 2001, the forward scatter meteor equipment of FENICS group has been operated to monitor the Leonid meteor shower. ...

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... One striking feature is a small source of almost pure H 2 line emission, which is located near one of the compact sources in Orion reported by O'Dell and collaborators (HST-18 = 203-504). ... H-H objects, Proplyds, Orion Bar, H 2 . ... We obtained a series of images across the bright rim of the Orion Bar near the peaks of mm-wave molecular line emission with NICMOS cameras 1-3 (NIC1, NIC2, NIC3) in several filters on 1998 February 18. ... The suggestion of an H-H object does not seem compelling. ...

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OBSERVING THE HIGH ENERGY BEHAVIOUR OF THE LOW MASS X-RAY BINARY XB 1832­330 WITH INTEGRAL A. Tarana1 , A. Bazzano2 , P. Ubertini2 , and M. Federici2 1 IASF-INAF Rome, Italy; Universita Tor Vergata di Roma, Italy ` 2 IASF-INAF Rome, Italy ABSTRACT We report INTEGRAL/IBIS results on temporal and spectral behaviour of the Low Mass X-ray Binary XB 1832­ 330 located in the globular cluster NGC 6652. ... Best fit parameters of CompTT model for the IBIS data of XB 1832-330. ...

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Lectures . ... Home Lectures Lecture Series 2010-2011 Lecture Series 2010-2011 ? Greening the Earth Using Space Resources? by Greg Matloff . ... Lecture Series 2010-2011 . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Amateur Astronomers Medal . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

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... 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. ...

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