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1801. http://hea.iki.rssi.ru/integral06/papers/B36_Kalemci02-23Feb07_14:59:21_bandw.pdf
... 5 Service d'Astrophysique, CEA-Saclay, 91191, Gif-Sur-Yvette, France ABSTRACT We have used 1000 ksec of on-source, and 500 ksec of 10 degrees off-source INTEGRAL data of SN 1006 to characterize the synchrotron emission, and attempt to detect non-thermal bremsstrahlung, using the combination of IBIS and JEM-X spatial and spectral coverage. With the earlier 750 ksec on source data, we have detected the limbs of SN 1006 with JEM-X between 2.4 and 8.4 keV bands. ... The Sets have not been merged yet. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/B36_Kalemci02-23Feb07_14:59:21_bandw.pdf -- 240.9 Кб -- 23.02.2007
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1802. http://hea.iki.rssi.ru/integral06/papers/B36_Kalemci02-23Feb07_14:57:59_color.pdf
... 5 Service d'Astrophysique, CEA-Saclay, 91191, Gif-Sur-Yvette, France ABSTRACT We have used 1000 ksec of on-source, and 500 ksec of 10 degrees off-source INTEGRAL data of SN 1006 to characterize the synchrotron emission, and attempt to detect non-thermal bremsstrahlung, using the combination of IBIS and JEM-X spatial and spectral coverage. With the earlier 750 ksec on source data, we have detected the limbs of SN 1006 with JEM-X between 2.4 and 8.4 keV bands. ... The Sets have not been merged yet. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/B36_Kalemci02-23Feb07_14:57:59_color.pdf -- 432.2 Кб -- 23.02.2007
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1803. http://hea.iki.rssi.ru/integral06/papers/G02_Farinelli01-23Feb07_11:45:58.pdf
AVERAGE HARD X-RAY EMISSION FROM NS LMXBS : OBSERVATIONAL EVIDENCE OF DIFFERENT SPECTRAL STATES IN NS LMXBS R. Farinelli1 , A. Paizis2 , L. Titarchuk1,3,4, T.J.-L. Courvoisier5,6 , A. Bazzano7 , V. Beckmann3,8 , F. Frontera1, P. Goldoni9 ... So far, only Atoll sources (and more generally X-ray bursters) have been observed with low/hard spectra (i.e. Comptonizing corona of few tens of keV). ... We present our scenario of the spectral evolution of NS LMXBs starting from the low/hard state. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G02_Farinelli01-23Feb07_11:45:58.pdf -- 227.5 Кб -- 23.02.2007
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1804. http://hea.iki.rssi.ru/integral06/papers/J36_Wunderer03-23Feb07_03:04:03.pdf
... This study was designed to (1) transform the key scientific objectives into specific instrument requirements, (2) to identify the most promising technologies to meet those requirements, and (3) to design a viable mission concept for this instrument. ... THE ACT BASELINE INSTRUMENT AND MISSION ACT Baseline Instrument The ACT study "baseline instrument" is a hybrid of thick Si-strip detectors and Ge-strip detectors. ... Predicted performance of the optimized Si-Ge baseline ACT instrument. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/J36_Wunderer03-23Feb07_03:04:03.pdf -- 333.5 Кб -- 23.02.2007
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1805. http://hea.iki.rssi.ru/integral06/papers/D38_Zakharov01-21Feb07_15:35:59.pdf
MEASURING PARAMETERS OF BLACK HOLES FROM SPACE Alexander F. Zakharov National Astronomical Observatories of Chinese Academy of Sciences, Beijing 100012, China; Institute of Theoretical and Experimental ... Russia; Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russia ABSTRACT To describe black holes typically astronomers use Newtonian approaches for gravitational field because usually they consider systems in weak gravitational ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/D38_Zakharov01-21Feb07_15:35:59.pdf -- 111.7 Кб -- 21.02.2007
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1806. http://hea.iki.rssi.ru/integral06/papers/A01_Knodlseder02-20Feb07_14:24:25.pdf
IMAGING THE GAMMA-RAY SKY WITH SPI ABOARD INTEGRAL Jurgen Knodlseder1 , G. Weidenspointner1 , P. Jean1 , R. Diehl2 , A. Strong2 , H. Halloin3, B. Cordier4 , S. Schanne4 ... Cedex 5, France 4 CEA Saclay, DSM/DAPNIA/Service d'Astrophysique, 91191 Gif-sur-Yvette, France 5 ESA/ESTEC, Science Operations and Data Systems Division (SCI-SD), 2201 AZ Noordwijk, The Netherlands ABSTRACT The spectrometer SPI on INTEGRAL allows for the first time simultaneous imaging of diffuse and ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/A01_Knodlseder02-20Feb07_14:24:25.pdf -- 1437.0 Кб -- 20.02.2007
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1807. http://hea.iki.rssi.ru/integral06/papers/G44_Caballero01-20Feb07_13:17:46.pdf
... 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. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G44_Caballero01-20Feb07_13:17:46.pdf -- 169.5 Кб -- 20.02.2007
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1808. http://hea.iki.rssi.ru/integral06/papers/A02_Weidenspointner02-19Feb07_12:39:13.pdf
THE SKY DISTRIBUTION OF 511 KEV POSITRON ANNIHILATION LINE EMISSION AS MEASURED WITH INTEGRAL/SPI ? G. Weidenspointner1 , J. Knodlseder1 , P. Jean1 , G.K. Skinner1 , P. von Ballmoos1 , J.-P. Roques1 , G. Vedrenne1 , P. Milne2 , B.J. Teegarden3 , R. Diehl4 , A. Strong4, S. Schanne5 , B. Cordier5 , and Ch. ... The first sky maps in the 511 keV annihilation line and in the positronium continuum from SPI showed a puzzling concentration of annihilation radiation in the Galactic bulge region. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/A02_Weidenspointner02-19Feb07_12:39:13.pdf -- 145.8 Кб -- 19.02.2007
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1809. http://hea.iki.rssi.ru/integral06/papers/J39_Bogomolov01-17Feb07_23:21:23.pdf
THE IMAGE RECONSTRUCTION MODELLING IN THE SPACE EXPERIMENT WITH WIDE-FIELD GAMMA-RAY TELESCOPE WITH THE USE OF INTEGRAL SKY MAPS. , Russian Academy of Science, Profsoyznaya st. 84/32, Moscow 117810, Russia, E-mail: grif@dec1.npi.msu.su ABSTRACT The INTEGRAL sky maps were used for the simulations of the image reconstruction in the space experiment with a wide field (~2 sr) coding mask telescope elaborated for the all-sky monitoring in gamma-rays (0.05-1.0 MeV) ... Fig. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/J39_Bogomolov01-17Feb07_23:21:23.pdf -- 543.4 Кб -- 17.02.2007
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1810. http://hea.iki.rssi.ru/integral06/papers/G48_Blay02-16Feb07_17:46:51.pdf
SAX J2103.5 + 4545 : BRIGHT AND FAINT STATES CHARACTERIZED WITH INTEGRAL P. Blay1 , A. Camero1, S. MartЄnez-Nunez1 , P. Connell1 , V. Reglero 1 , P. Reig2 , I. Negueruela3 ... Alicante, PO BOX 99, 03080 i i i ~ Alicante, Spain 4 IASF/INAF, Via Ugo La Malfa 153, 90146 Palermo, Italy 1 3 ABSTRACT The BeX system SAX J2103.5 + 4545 shows a set of peculiarities which make it different from the rest of BeXs ... Fig 5 shows the pulse period evolution of SAX J2103.5+4545 with INTEGRAL data. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G48_Blay02-16Feb07_17:46:51.pdf -- 264.3 Кб -- 16.02.2007
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1811. http://hea.iki.rssi.ru/integral06/papers/D36_Hudec04-16Feb07_17:21:34.pdf
... The probability to see blazars with INTEGRAL instruments will increase with time as better limits will be achieved and the chance to have an observation during flaring episode will also correspondingly increase. Key words: INTEGRAL satellite, blazars. ... IBIS total exposure times for blazars, CP data, revolutions 1ґ250. ... Within the INTEGRAL observation, the S5 0716+714 was detected only by IBIS ISGRI at 4.5 sigma, in 30ґ 60 keV band, for a count rate of 0.11 counts s-1 (exposure 280 ksec). ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/D36_Hudec04-16Feb07_17:21:34.pdf -- 492.4 Кб -- 16.02.2007
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1812. http://hea.iki.rssi.ru/integral06/papers/J38_Hudec03-16Feb07_17:14:48.pdf
... The prototypes designed, developed and tested by the authors are very promising, allowing the proposals for space projects with very wide-field Lobster-eye X-ray optics to be considered for the first time. ... They are expected to contribute essentially to study of various astrophysical objects such as AGN, SNe, Gamma-ray bursts (GRBs), X-ray flashes (XRFs), galactic binary sources, stars, CVs, X-ray novae, various transient sources, etc. ... 1) Gamma Ray Bursts (GRBs). ... 2) X-ray flashes. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/J38_Hudec03-16Feb07_17:14:48.pdf -- 331.3 Кб -- 16.02.2007
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1813. http://hea.iki.rssi.ru/integral06/papers/G53_Hudec02-16Feb07_17:12:18.pdf
... INTRODUCTION There are four co-aligned instruments onboard the INTEGRAL (The International Gamma-Ray Astrophysics Laboratory) satellite: (1) gamma-ray imager IBIS (15 keVґ10 MeV, field 9 deg, 12 arc min FWHM), (2) gamma-ray spectrometer SPI (12 keVґ8 MeV, field 16 deg), (3) X-ray monitor JEM-X (3ґ35 keV, field 4.8 deg), and (4) optical monitoring camera OMC (Johnson V-filter, field 5 deg) [1]. ... Most symbiotics are the long-period causins of CVs and X-ray binaries. ... IBIS ґ all obs. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G53_Hudec02-16Feb07_17:12:18.pdf -- 540.7 Кб -- 16.02.2007
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1814. http://hea.iki.rssi.ru/integral06/papers/E37_Hudec01-16Feb07_17:08:21.pdf
IDENTIFICATION OF INTEGRAL SOURCES WITH ASTRONOMICAL ARCHIVAL PLATES (1,2) (1,2) RenИ Hudec (1) , Filip Munz , Petr KubАnek( 1,2) Astronomical Institute, Academy of Sciences of the Czech Republic, CZ-251 65 Ond ejov, Czech Republic E-mail:rhudec@asu.cas.cz (2) INTEGRAL ISDC, Versoix, Switzerland ABSTRACT The ESA INTEGRAL satellite (International Gamma Ray Laboratory) launched in October 2002 continues to deliver valuable data about the gamma-ray sky. ... LEIDEN/JOHANNESBURG F.A. PLATES 8. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/E37_Hudec01-16Feb07_17:08:21.pdf -- 742.0 Кб -- 16.02.2007
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1815. http://hea.iki.rssi.ru/integral06/papers/C04_Frontera01-16Feb07_16:29:39.pdf
THE DIFFUSE COSMIC Xґ RAY ( 15 KEV ) BACKGROUND WITH THE PDS INSTRUMENT ABOARD BEPPOSAX F. Frontera1,2, M. Orlandini1 , R. Landi1 , L. Amati1 , E. Costa3 , N. Masetti1 , and E. Palazzi1 INAF ... Fisica Cosmica, Roma, Via del Fosso del Cavaliere 100, 00133 Roma, Italy 1 3 ABSTRACT We report a new measurement of the hard (15ґ50 keV ) Cosmic Xґ ray Background ( CXB ) after the last performed with the High Energy Astronomical Observatory ( ... The BeppoSAX 1ґ8 keV Cosmic Background Spectrum. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/C04_Frontera01-16Feb07_16:29:39.pdf -- 178.9 Кб -- 16.02.2007
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1816. http://hea.iki.rssi.ru/integral06/papers/J30_Bianchin01-16Feb07_12:32:07.pdf
... The instrument has been tested in both Spectral Imaging and Spectral Timing Mode. PICsIT Single Events, Multiple and ISGRI data of the Crab are simultaneously fitted to a power law model and fit parameters are compared with the standard values. We present a joint fit of SPI, ISGRI, PICsIT data of the long GRB041219, that was seen by the PICsIT instrument in both Spectral Imaging and Spectral Timing acquisition modes. ... The energy range for single events is 175 keV - 6.5 MeV. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/J30_Bianchin01-16Feb07_12:32:07.pdf -- 243.2 Кб -- 16.02.2007
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1817. http://hea.iki.rssi.ru/integral06/papers/F34_Trushkin01-14Feb07_20:24:31.pdf
RECENT RADIO MONITORING OF MICROQUASARS WITH RATAN-600 RADIO TELESCOPE S. A. Trushkin1 , N. N. Bursov2 , T. Kotani3 , N. A. Nizhelskij4 , M. Namiki5 , M. Tsuboi6 , and P. A. Voitsik7 Special ... Russia, nizh@sao.ru 5 Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan, namiki@ess.sci.osaka-u.ac.jp 6 Nobeyama Radio observatory, Minamimaki, Minamisaku, Nagano, 384-1305, Japan, tsuboi@nro.nao.ac.jp 7 Moscow State University by M.V. Lomonosov, ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/F34_Trushkin01-14Feb07_20:24:31.pdf -- 153.0 Кб -- 14.02.2007
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1818. http://hea.iki.rssi.ru/integral06/papers/I32_Kalemci01-14Feb07_17:25:59_color.pdf
... Using multipledetector coincidence events in the 100-350 keV energy band, our analysis yields a polarization fraction from this GRB of 98 Б 33%. ... For a source count rate of S , and fractional polarization of s , the expected azimuthal scattering angle () distribution is dS S = [1 - Q s cos 2( - )]. d 2 (1) 2.4. ... Simulated azimuthal scattering angle distribution of 100% polarized photons at 200 keV originating at the GRB position. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/I32_Kalemci01-14Feb07_17:25:59_color.pdf -- 115.6 Кб -- 14.02.2007
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1819. http://hea.iki.rssi.ru/integral06/papers/J34_Weidenspointner01-14Feb07_14:15:26.pdf
MGGPOD: A MONTE CARLO SUITE FOR GAMMA RAY ASTRONOMY ґ VERSION 1.1 G. Weidenspointner1 , S.J. Sturner2 , E.I. Novikova3, M.J. Harris4 , A. Zoglauer5 , C.B. Wunderer5 , R.M. Kippen6 , P. Bloser7 , and Ch. ... We have developed a suite of Monte Carlo packages, named MGGPOD [13], that supports this type of simulation. ... THE MGGPOD MONTE CARLO SIMULATION SUITE High-energy astronomy instruments are operated in an intense and complex radiation environment [see e.g. 13]. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/J34_Weidenspointner01-14Feb07_14:15:26.pdf -- 44.1 Кб -- 14.02.2007
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1820. http://hea.iki.rssi.ru/integral06/papers/B38_Tatischeff01-14Feb07_12:46:42.pdf
RADIOACTIVE LINE EMISSION FROM SOLAR FLARES V. Tatischeff1 , B. Kozlovsky2, J. Kiener1 , and R. J. Murphy 1 2 3 3 CSNSM, CNRS/IN2P3 and Universite Paris-Sud, F-91405 ... Center for Space Research, Code 7650, Naval Research Laboratory, Washington, DC 20375, USA ABSTRACT We have studied the radioactive line emission expected from solar active regions after large flares, following the production of long-lived radioisotopes by nuclear interactions of ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/B38_Tatischeff01-14Feb07_12:46:42.pdf -- 67.8 Кб -- 14.02.2007
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