[PDF] Top 20 The nature of 50 Palermo Swift BAT hard X ray objects through optical spectroscopy
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The nature of 50 Palermo Swift BAT hard X ray objects through optical spectroscopy
... 171 Swift-BAT objects through optical spectroscopy and their separation into the main classes is the following: 157 (92%) are AGNs, two are star- burst galaxies ... See full document
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Unveiling the nature of INTEGRAL objects through optical spectroscopy IX Twenty two more identifications, and a glance into the far hard X ray Universe
... more) of these possibilities: (i) they su ff er from local absorption around the source; and/or (ii) they are substantially more dis- tant from Earth than derived from their dereddened optical mag- ... See full document
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The agn nature of 11 out of 12 SWIFT/RXTE unidentified sources through optical and X ray spectroscopy
... diate optical classification. Given that the broad-line region (BLR) is obscured by a dusty torus, the emission lines would appear with a composite profile consisting of both narrow and broad ... See full document
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Unveiling the nature of INTEGRAL objects through optical spectroscopy X A new multi year, multi observatory campaign
... confirm the suggestion of Landi et al. (2012b) that this hard X-ray emission is the sum of the contributions of two narrow-line AGNs within the IBIS ... See full document
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Unveiling the nature of INTEGRAL objects through optical spectroscopy VI A multi observatory identification campaign
... in the northern and southern hemispheres, plus archival data from two on-line sky surveys, we performed a systematic optical spectroscopic study of 39 putative counterparts of unidentified or ... See full document
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Revealing the Nature of New Unidentified Integral Sources
... 2002, the INTEGRAL satellite has revolutionized our knowl- edge of the hard X–ray sky thanks to its unprecedented imaging capabilities and source detection positional accuracy ... See full document
7
Stellar population properties for a sample of hard X ray AGNs
... supplied the astronomical community with a cat- alog 1 of hard X-ray sources for which the identification and the main physical parameters, computed using the ... See full document
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Unveiling the nature of INTEGRAL objects through optical spectroscopy VIII Identification of 44 newly detected hard X ray sources
... at the ESO NTT tele- scope; Claudia Reyes for night assistance at the ESO NTT ...thank the anonymous referee for useful remarks which helped us to improve the quality of this ...use ... See full document
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Accurate classification of 29 objects detected in the 39 month Palermo Swift/BAT hard X ray catalogue
... On the other hand, PBC J2333.9-2343, is quite atypical: it lies in the re- gion of type 1 AGN (see ...indication of an iron line and has a F 2−10 keV / F[O iii ] ratio of ∼ 1, again ... See full document
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Unveiling the nature of INTEGRAL objects through optical spectroscopy VII Identification of 20 Galactic and extragalactic hard X ray sources
... to the impossibility of a simultaneous de- tection of H α and H β emission lines in the Seyfert 2 galaxies and the XBONGs of our sample, we are not able to provide an estimate ... See full document
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The x ray luminous galaxy cluster population at 0 9 < z less than or similar to 1 6 as revealed by the XMM Newton Distant Cluster Project
... 0.9 the color-based redshift reliability decreases rapidly due to the flattening of the color function, making spectroscopic follow-up inevitable for the distant cluster candidates we ... See full document
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Nanodecoration of single crystals of 5,11,17,23-tetra-tert-butyl-25,27- bis(cyanomethoxy)-26,28-dihydroxycalix[4]arene
... crystals of 1,3-bis(cyanomethoxy)calix[4]arene (1) were grown from Chloroform/Methanol mixture and these were nanodecorated with colloidal gold nanoparticles ...(AuNps). The single crystals were then ... See full document
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BAT AGN spectroscopic survey II X ray emission and high ionization optical emission lines
... contamination of the narrow emission lines from star formation ...in the Balmer decrement because of different distribution of Balmer lines and for- bidden lines, and finally SED shape ... See full document
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Luminosity functions of LMXBs in different stellar environments
... If the time span of observations is longer than the typical time scale of transient sources, averaging of their luminosity can also modify the shape of the ... See full document
15
Effects of Substituting Se with Te in the FeSe Compound: Structural, Magnetization and Mossbauer Studies
... for the electric field gradients and their corresponding quadrupole splittings was performed as a guide to assign the observed doublets to the different ionic configurations around the Fe ... See full document
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Near Infrared Counterparts to Chandra X Ray Sources Toward the Galactic Center I Statistics and a Catalog of Candidates
... where the 50% completeness limit was below this flux threshold were securely detected across the entire survey ...≈210 X-ray sources that sat- isfy the hard and soft ... See full document
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The NuSTAR Extragalactic Surveys: X Ray Spectroscopic Analysis of the Bright Hard band Selected Sample
... quantify the re fl ection strength for each ...to the typical assumptions made in CXB population-synthesis ...assumptions. The re fl ection is always assumed to have a constant value R » 1 within each ... See full document
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Swift monitoring of NGC 5548: X ray reprocessing and short term UV/optical variability
... and the resultant X-ray count rate and hardness ratio (H = 2–10 keV; S = ...at the highest available time resolu- tion, are shown in ...version of this figure). The gaps centred ... See full document
6
Effect of Barium on the Properties of Lead Hexaferrite
... to the stoichiometric ratios. The lack of lead was corrected by adding the exact amount of lead oxide that compensates the lost in each sample; the lead excess was ... See full document
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WEAK HARD X RAY EMISSION FROM TWO BROAD ABSORPTION LINE QUASARS OBSERVED WITH NuSTAR: COMPTON THICK ABSORPTION OR INTRINSIC X RAY WEAKNESS?
... and the column density was calibrated using the MYTorus model (Murphy & Yaqoob 2009) 34 im- plemented in ...XSPEC. The MYTorus model computes the transmitted and scattered ... See full document
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