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1681. http://hea.iki.rssi.ru/integral06/papers/E32_Risquez01-27Apr07_17:23:54.pdf
HIGH ENERGY SOURCES OBSERVED WITH OMC D. RЄ isquez1 , A. Domingo1 , J.M. Mas-Hesse2 , and E. Kuulkers3 1 Laboratorio de AstrofЄ isica Espacial y FЄ isica Fundamental (LAEFF-INTA), P.O.Box 50727, E-28080, Madrid, Spain; risquez@laeff.inta.es, albert@laeff.inta.es 2 Centro de AstrobiologЄ (CSIC-INTA), P.O.Box 50727, E-28080, Madrid, Spain; mm@laeff.inta.es ia 3 ISOC, ESA/ESAC, Urb. ... In these cases there are many optical sources inside the high energy source error circle (sometimes up to hundreds). ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/E32_Risquez01-27Apr07_17:23:54.pdf -- 503.2 Кб -- 27.04.2007
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1682. http://hea.iki.rssi.ru/integral06/papers/G35_Tarana02-27Apr07_13:29:31.pdf
OBSERVING THE HIGH ENERGY BEHAVIOUR OF THE LOW MASS X-RAY BINARY XB 1832ґ330 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 1832ґ 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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Ссылки http://hea.iki.rssi.ru/integral06/papers/G35_Tarana02-27Apr07_13:29:31.pdf -- 144.9 Кб -- 27.04.2007
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1683. http://hea.iki.rssi.ru/integral06/papers/G34_Tarana01-27Apr07_13:24:20.pdf
... This source as been observed in both the soft (banana) and hard (island) spectral states. ... The tail can be modeled as a soft power law component, with the photon index of 2.4, on top of thermal Comptonization emission from a plasma with the electron temperature of k Te 6 keV and optical depth of 4. ... During the observations, the source spent most of the time in the soft state, as previously reported and the 4 keV spectra can be represented by thermal Comptonization with k Te 3 keV and 6ґ7. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G34_Tarana01-27Apr07_13:24:20.pdf -- 127.7 Кб -- 27.04.2007
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1684. http://hea.iki.rssi.ru/integral06/papers/G52_Torrejon01-26Apr07_13:48:22.pdf
THE OPTICAL COUNTERPART TO IGR J11435-6109 Є Є Jose M. Torrejon and I. Negueruela Departamento de FЄ isica, IngenierЄ de Sistemas y TeorЄ de la Senal , Universidad de Alicante, E-03080 Alicante, Spain ia ia ~ jmt@dfists.ua.es ABSTRACT We present photometry and spectroscopy of the possible optical counterparts to the INTEGRAL source IGR J11435-6109. We show that the object within the ROSAT error circle is an M type star and is not related with the INTEGRAL source. ... Key words: X-ray binaries. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G52_Torrejon01-26Apr07_13:48:22.pdf -- 108.1 Кб -- 26.04.2007
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1685. http://hea.iki.rssi.ru/integral06/papers/J32_Kubanek02-25Apr07_22:29:46.pdf
INTEGRAL SOURCE RESULTS PAGES AND ACCESS TO INTEGRAL DATA THROUGH VIRTUAL OBSERVATORY: SCIENTIFIC MOTIVATION AND RECENT STATUS Д Д Petr Kubanek1,2 and Rene Hudec 1 2 2 INTEGRAL Science Data Center, Chemin d'Ecogia 16, Versoix, Switzerland Astronomicky ustav Akademie ved Ceske republiky, Ondrejov, Czech Republic ДД Д ABSTRACT In its current status, the Virtual Observatory (VO) is an international effort to handle distributed databases of all data taken from the sky. ... The INTEGRAL Burst Alert System. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/J32_Kubanek02-25Apr07_22:29:46.pdf -- 391.8 Кб -- 25.04.2007
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1686. http://hea.iki.rssi.ru/integral06/papers/I34_Kubanek01-25Apr07_22:28:34.pdf
BRIGHT OPTICAL FLASH FROM GRB 060117 - AN EXAMPLE OF EVENT DETECTED WITH OMC CLASS INSTRUMENT Д Д Petr Kubanek1,2 , Martin JelД inek3 , Michael Prouza4,5,6 , Rene Hudec1 , and Martin Nekola1 1 Astronomicky ustav Akademie ved Ceske republiky, Ondrejov, Czech Republic ДД Д 2 INTEGRAL Science Data Center, Chemin d'Ecogia 16, Versoix, Switzerland 3 Instituto de AstrofД isica de AndalucД (IAA-CSIC), Granada, Spain ... INTEGRAL GRBs are detected during -ray observations of knows sources. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/I34_Kubanek01-25Apr07_22:28:34.pdf -- 97.9 Кб -- 25.04.2007
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1687. http://hea.iki.rssi.ru/integral06/papers/F02_Rodriguez01-25Apr07_14:02:04.pdf
... These observations ? show the so-called and classes of variability during which a high level of correlated X-ray and radio variability is observed. ... By observing ejection during class , we generalise the fact that the discrete ejections in GRS 1915+105 occur after sequences of X-ray hard dips/soft spikes, and identify the most likely trigger of the ejection through a spectral approach to our INTEGRAL data. ... The dip preceding the radio ejection during class was unfortunately not covered by RXTE...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/F02_Rodriguez01-25Apr07_14:02:04.pdf -- 1202.4 Кб -- 25.04.2007
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1688. http://hea.iki.rssi.ru/integral06/papers/G43_Staubert01-22Jan07_18:58:00.pdf
VARIABLE CYCLOTRON LINE IN HER X-1 R. Staubert1 , N. I. Shakura2 , K. P. Postnov2 , J. Wilms3 , W. Coburn4 , D. Klochkov1 , L. Rodina1 , M. Kuster5 , and R. Rothschild6 ... Center for Astrophysics and Space Sciences, University of California, San Diego, USA 2 1 3 ABSTRACT We present new results on the cyclotron resonance scattering feature (CRSF) in the X-ray spectrum of the binary X-ray pulsar Her X-1 from repeated observations by ... 2006). ... Here we concentrate on the RXTE results. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G43_Staubert01-22Jan07_18:58:00.pdf -- 81.9 Кб -- 20.04.2007
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1689. Сотрудники 52 отдела ИКИ РАН и контактная информация
... отдела . ... Сотрудники и . контактная . информация . ... ИКИ . ... Полный список сотрудников 52 отдела ИКИ РАН . ... WEB . E-mail . Телефон . ... Институт Космических Исследований (ИКИ) . Отдел Астрофизики Высоких Энергий (52-й отдел) . Телефон (секретарь) : +7 (495) 333-53-00 . Факс : +7 (495) 333-53-77 . Более подробную схему проезда до ИКИ см. здесь ...
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Ссылки http://hea.iki.rssi.ru/HEAD_RUS/people_k.htm -- 10.5 Кб -- 19.04.2007
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1690. http://hea.iki.rssi.ru/integral06/papers/F39_Hjalmarsdotter02-17Apr07_14:19:21_bandw.pdf
... Light curves resulting from electron scattering absorption in this envelope were computed and compared with observed IBIS/ISGRI and BATSE light curves. ... Assuming approximately 10-6 solar mass/year for the rate of the WR-wind, the observed light curves and accretion luminosity can be re-produced (assuming Thomson scattering opacity in the ionized He-rich envelope). ... Reduced 2-values between the models and ISGRI light curves vs inclination, for different mass ratios and wind velocities. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/F39_Hjalmarsdotter02-17Apr07_14:19:21_bandw.pdf -- 212.8 Кб -- 17.04.2007
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1691. http://hea.iki.rssi.ru/integral06/papers/F39_Hjalmarsdotter02-17Apr07_14:19:21_color.pdf
... Light curves resulting from electron scattering absorption in this envelope were computed and compared with observed IBIS/ISGRI and BATSE light curves. ... Assuming approximately 10-6 solar mass/year for the rate of the WR-wind, the observed light curves and accretion luminosity can be re-produced (assuming Thomson scattering opacity in the ionized He-rich envelope). ... Reduced 2-values between the models and ISGRI light curves vs inclination, for different mass ratios and wind velocities. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/F39_Hjalmarsdotter02-17Apr07_14:19:21_color.pdf -- 192.4 Кб -- 17.04.2007
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1692. http://hea.iki.rssi.ru/integral06/papers/G31_Hjalmarsdotter03-17Apr07_14:14:42.pdf
THE SPREADING LAYER OF GX 9+9 Osmi Vilhu(1), Ada Paizis(2), Diana Hannikainen(1) , Juho Schultz(1) , Volker Beckmann(3), (1) (2) (3 Observatory Box 14,FIN-00014 University of Helsinki,Finland, E-mail:osmi.vilhu@helsinki.fi INAF-IASF,Milano, Italy, E-mail:ada@iasf-milano.inaf.it ) NASA/GSFC,Greenbelt,USA E-mail:beckmann@milkyway.gsfc.nasa.gov ABSTRACT The spreading layer (SL) of GX 9+9 during the upper banana state was studied using INTEGRAL and RXTE observations. ... MODELING OF THE SL-SPECTRUM 2. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G31_Hjalmarsdotter03-17Apr07_14:14:42.pdf -- 251.4 Кб -- 17.04.2007
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1693. http://hea.iki.rssi.ru/integral06/papers/A06_Dogiel01-05Apr07_00:55:03.pdf
... INTRODUCTION The annihilation of cosmic ray positrons produced as a result of cosmic ray proton collisions with the ambient plasma was discussed in a number of papers [see, e.g., 39, 45, 75, 16, etc.] ... We are able to explain the current observed diffuse gamma-rays and the very detailed 511 keV annihilation line of secondary positrons by p - p collisions of such protons, with appropriate injection times and energy. ... 2006, ApJ 645, 1138 ergy secondary positrons. ... We define this density as npp...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/A06_Dogiel01-05Apr07_00:55:03.pdf -- 130.8 Кб -- 04.04.2007
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1694. http://hea.iki.rssi.ru/integral06/papers/E06_Lutovinov01-03Apr07_15:49:24.pdf
... 1, Garching, Germany ? 2,1 ABSTRACT We study populations of High-Mass X-ray Binaries in the Galaxy using data of the INTEGRAL observatory in a hard X-ray energy band. More than two hundreds of sources were detected with INTEGRAL near the galactic plane (|b| < 5 deg), most of them have a galactic origin and belong to high (HMXB) and low mass (LMXB) X-ray binaries. ... As is known X-ray binaries are concentrated towards the Galactic plane, however HMXBs and Figure 2. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/E06_Lutovinov01-03Apr07_15:49:24.pdf -- 201.1 Кб -- 03.04.2007
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1695. http://hea.iki.rssi.ru/integral06/papers/G50_Postnov01-19Dec06_09:29:00.pdf
INTEGRAL OBSERVATIONS OF X-RAY PULSARS X 1845-024 AND XTE J1858+034 R.F. Doroshenko1 , V.A. Doroshenko1, K.A. Postnov1 , A.M. Cherepashchuk1 , and S.S Tsygankov 1 2 2 Sternberg Astronomical Institute, Universitetsky pr. 13, 119992, Moscow, Russia Space Research Institute, Russian Academy of Sciences, Profsoyuznaya 84/32, 117810, Moscow, Russia ABSTRACT We analyze IBIS/ISGRI observations of poorly studied transient X-ray pulsars X 1845-024 and XTE 1858+034 carried out in 2003 and 2004. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/G50_Postnov01-19Dec06_09:29:00.pdf -- 980.0 Кб -- 03.04.2007
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1696. http://hea.iki.rssi.ru/integral06/papers/J33_Segreto01-28Mar07_22:36:14.pdf
... To study the spectral emission of these sources it is necessary to perform timing analysis and phase resolved spectroscopy, but these tasks are really cumbersome if performed with the tools based on the imaging extraction methods usually used for coded mask instruments. Here, we present the software we have developed for the ISGRI instrument which allows to extract in a fast way light curves, pulse profiles, and phase resolved spectra, making data reduction a much easier task. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/J33_Segreto01-28Mar07_22:36:14.pdf -- 169.6 Кб -- 28.03.2007
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1697. http://hea.iki.rssi.ru/integral06/papers/A07_Guessoum01-27Mar07_20:34:54.pdf
MICROQUASARS' CONTRIBUTION TO THE GALACTIC POSITRON ANNIHILATION RADIATION Nidhal Guessoum1 , Pierre Jean2 , and Nikos Prantzos3 1 American University of Sharjah, College of Arts & Sciences, Physics Dept., ... RATE OF POSITRONS PRODUCED AND EJECTED THROUGH MICROQUASAR JETS Electron-positron pairs are produced by reactions in the high-temperature, high-density inner regions of the binary system's accretion disk. ... Limits on positron rates from SPI upper limits for XRB sources of interest. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/A07_Guessoum01-27Mar07_20:34:54.pdf -- 162.4 Кб -- 27.03.2007
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1698. http://hea.iki.rssi.ru/integral06/papers/F37_Capitanio01-27Mar07_17:29:50.pdf
... A radio flare was seen by NRAO during the rising part of the first outburst (MJD=52728) and two jets were detected between the first and the second outburst (MJD= 52955ґ53049) [7] For the second outburst, the analysed data show that the source had a shorter transition to hard state and then back to soft state with a peculiar temporal and spectral behaviour as the RXTE/ASM HR in figure 1 shows [6]. ... Figure 1 shows the RXTE/ASM light curves in three energy bands (AB-C) and the hardness ratio (1 HR)...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/F37_Capitanio01-27Mar07_17:29:50.pdf -- 864.9 Кб -- 27.03.2007
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1699. http://hea.iki.rssi.ru/integral06/papers/I01_Gehrels01-25Mar07_00:17:22.pdf
SUMMARY OF SWIFT OBSERVATIONS OF GAMMA RAY BURSTS N. Gehrels, on behalf of the Swift Team Code 661, NASA/Goddard Space Flight Center, Greenbelt, MD 20771, USA, E-mail: gehrels@milkyway.gsfc.nasa.gov ABSTRACT Swift is a NASA MIDEX mission with primary objective to study gamma-ray bursts (GRBs) and use them as probes of conditions in the high-redshift Universe. ... SHORT GRBS At Swift's launch, the greatest mystery of GRB astronomy was the nature of short-duration, hard-spectrum bursts. ...
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Ссылки http://hea.iki.rssi.ru/integral06/papers/I01_Gehrels01-25Mar07_00:17:22.pdf -- 538.9 Кб -- 24.03.2007
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1700. http://hea.iki.rssi.ru/integral06/esapub2005.pdf
A A LTEX CLASS FILE FOR ESA PROCEEDINGS Patrick W. Daly1 , A. N. Other1 , and F. Favata 1 2 Max-Planck-Institut fur Aeronomie, 37191 Katlenburg-Lindau, Germany ? 2 Astrophysics Division, ESTEC, 2200 AG Noordwijk, The Netherlands ABSTRACT Talks presented at an ESA sponsored conference are published by the ESA Publications Division by means of author-produced camera-ready copy. ... Figure 1. ... FIGURES AND TABLES A Figures and tables are inserted with the normal LTEX environments figure and table. ...
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Ссылки http://hea.iki.rssi.ru/integral06/esapub2005.pdf -- 48.5 Кб -- 21.03.2007
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