Next: Calibration with the ISOPHOT Interactive Analysis (PIA) . ... ISO P HOT I nteractive A nalysis, PIA , is a scientific and calibration data analysis tool for ISOPHOT data reduction. The PIA software was designed both as a tool for use by the instrument team for calibration of the PHT instrument during and after the ISO mission, and as an interactive tool for ISOPHOT data analysis by general observers. ... PIA is entirely based on the Interactive Data Language IDL (IDL92). ...

Estimating the Accuracy of Asteroid Ephemerides Using the Bootstrap Method . ... We apply the bootstrap method to two NEOs: Toutatis and Apophis. We provide an estimate of the accuracy of their ephemerides and an estimate of the accuracy of their next close approach to Earth. ... Very Long Baseline Interferometry (VLBI), Near Earth Objects (NEOs), accuracy of asteroid ephemerides, the bootstrap method, Toutatis, Apophis, close approach to Earth. ...

... Design of Imaging Optics . Analyzing Optics . ... The high resolution near infrared camera (CONICA) for the first VLT unit telescope is under development. It serves as a multi-mode instrument for the wavelength region between 1.0 and 5.0 microns, providing diffraction-limited spatial resolution when combined with the adaptive optic system NAOS of the VLT (Rosset et al. ... VLT instrumentation, ALADDIN InSb detector, NIR imaging, NIR spectroscopy, re-imaging optics, IR optics . ...

... Astronomical Calendar . ... Foreign journals in the library of MAO NAS of Ukraine . ... Astronomical Journal . ... All Pages . Page 3 of 36 . ... N1-10 . ... N1,(N1-12 - m/film) . ... Astronomical Research and Technology (Publ.of National Astronomical Observatories of China) . ... Astronomical Society of the Pacific. ... N1-12,suppl. 1968 . ... N1-12,suppl. 1970 . ... N1-12,suppl. 1971 . ... N1-12,suppl. 1973 . ... N1-12,suppl. 1974 . ... N1-12,suppl. ... Die Literatur des Jahres . ...

... Add your clubs URL: send to Mike Grilley . ... Association of Universities for Research in Astronomy (AURA) - serves the entire astronomical community by providing modern, major facilities to qualified scientists from all universities. American Association of Amateur Astronomers . The Astronomical League's Internet Astronomy Club) . ... Society of Astrophysics - Sidwell Friends School - The Astronomy Club (a.k.a. The Astrophysics Society) is Sidwell Friends School's only science-related club. ...

... Two pulse phases are shown for clarity. ... Figure 4. (a) IBIS (ISGRI) phase average spectra and model (powerlaw with a high energy cutoff and two cyclotron lines at 45 keV and 100 keV), (b) residuals for a fit without cyclotron lines (2ed=32.138/132dof) r (c) residuals for a fit including two cyclotron lines (2ed =1.7/126dof). r 3. PHASE AVERAGE SPECTRA 4. ... We also detect the presence of two phase dependent cyclotron lines at 45 keV and 100 keV in the hard X-ray spectrum of the source. ...

25-ая студенческая научная конференция--зимняя школа. 29 января -- 2 февраля 1996 года. ... Количество участников конференции: 60 человек. ... Количество участников конференции: 30 человек из стран СНГ и Польши . Конференция организована Киевским университетом имени Тараса Шевченко. ... Количество участников конференции: 75 человек из разных стран. ... Girona Conference "Blazars, Black Holes and Jets". 9--13 сентября 1996 года, Girona, Spain. ... Accretion Processes in Astrophysical Systems. ...

... BAORB|BA Uccle |Bulletin Astronomique. ... Publ.: ... Spetsial'noj Astrofizicheskoj JAVSO|JAAVSO |Journal of the American Association of Variable Stars Observers JASAC|JASAC |Japan Astronomical Study Association - Circulars JApA |JApAs |Journal of Astrophysics and Astronomy JBAA |JBAA |Journal of the British Astronomical Association JO |JO |Journal des Observateurs JRASC|JRASCan |Journal of the Royal Astronomical Society of Canada JBAn |Jodrell Bank Ann | Astronomical Contributions from the ...

... Printed in U.S.A. DETECTION OF GAPS IN CIRCUMSTELLAR DISKS J. Steinacker Astrophysical Institute and University Obser vator y, University of Jena, Schillergasschen 2-3, Ё D-07745 Jena, Germany; stein@astro.uni-jena.de and Th. ... Based on the standard parameterized disk model, we explore the 10parameter space of possible disk configurations and properties to identify the parameter ranges where the ratio of the continuum flux from disks without and with a gap is maximum. ...

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