[PDF] Top 20 Stellar population properties for a sample of hard X ray AGNs
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Stellar population properties for a sample of hard X ray AGNs
... 1 of hard X-ray sources for which the identification and the main physical parameters, computed using the multiwave- length information available in the literature, are ...∼200 ... See full document
9
The NuSTAR Extragalactic Surveys: Initial Results and Catalog from the Extended Chandra Deep Field South
... measurements of the rest-frame 10 – 40 keV X-ray luminosity function ( XLF ) of active galactic nuclei ( AGNs ) based on a sample of 94 sources at ...evolution of ... See full document
13
The NuSTAR Serendipitous Survey: The 40 month Catalog and the Properties of the Distant High energy X Ray Source Population
... composed of fi elds containing well-known extragalactic and Galactic ...majority of the serendipitous survey sources also have lower-energy ( or “ soft ”) X-ray coverage from Chandra, ... See full document
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WEAK HARD X RAY EMISSION FROM BROAD ABSORPTION LINE QUASARS: EVIDENCE FOR INTRINSIC X RAY WEAKNESS
... significant population of AGNs that belongs to the category of potentially X-ray absorbed AGNs which has been excluded in previous searches for intrinsically ... See full document
11
Heavily Obscured AGN in Star Forming Galaxies at z sime 2
... obscured AGNs the optical light is dominated by the host galaxy, it is feasible to study the stellar population in these ...distribution of our IR-red excess sources to an ensemble of ... See full document
18
WEAK HARD X RAY EMISSION FROM TWO BROAD ABSORPTION LINE QUASARS OBSERVED WITH NuSTAR: COMPTON THICK ABSORPTION OR INTRINSIC X RAY WEAKNESS?
... Irrespective of its cause, the hard X-ray weakness of these two BAL quasars discovered by NuSTAR has implications for the detection and characterization of AGNs in ... See full document
17
SPECTRAL PROPERTIES OF X RAY BINARIES IN CENTAURUS A
... ages of the stellar populations are known, coupled with stellar population synthesis work, is required to investigate the robustness of this ...University of Birmingham ... See full document
15
The nature of 50 Palermo Swift BAT hard X ray objects through optical spectroscopy
... distributions for the present sample and that of the PI-III merged sample were studied through a two sample Kolmogorov-Smirnov (KS) ...redshift sample of Sy 1 with that ... See full document
25
Optical Spectroscopy of X Ray Sources in the Extended Chandra Deep Field South
... dependence of the fraction of obscured AGNs on redshift is more ...fraction of obscured AGNs at higher redshifts, other results suggest that this fraction is constant ...panel of ... See full document
15
The mean star formation rate of X ray selected active galaxies and its evolution from z ~ 2 5: Results from PEP Herschel
... number of different lines of evidence suggest that a close relationship exists between the growth of supermassive black holes (SMBHs) and their host ...the properties of nu- clear ... See full document
18
Unveiling the nature of INTEGRAL objects through optical spectroscopy VIII Identification of 44 newly detected hard X ray sources
... total of 44 objects. Optical spectroscopy for all of them was acquired using 7 different telescopes and 2 public spectroscopic ...the sample of INTEGRAL and optical ob- jects considered ... See full document
21
The Chandra COSMOS Legacy survey: optical/IR identifications
... orders of magnitude ( sSFR =[ 10 −13 – 10 −8 ] yr −1 ) for the whole sample of candidate Type 2 AGNs, while is slightly narrower for the subsample with i > 25 ( sSFR =[ 10 ... See full document
23
The host galaxies and environment of Chandra selected active galactic nuclei in the deep ACS GTO cluster fields
... part of the Guaranteed Time Observer (GTO) program of the Advanced Camera for Surveys (ACS; Ford et ...imaging of several X-ray Y selected clusters at z 1 was performed to ... See full document
39
The NuSTAR Extragalactic Survey: Average Broadband X Ray Spectral Properties of the NuSTAR detected AGNs
... sensitive hard X-ray telescope ( E » 3 79 – keV ) with focusing optics ( Harrison et ...understanding of the AGN population at E > 10 keV ...35% of the CXB at E = 8 24 keV – ( ... See full document
19
Massive Stellar X ray Sources in the Galactic Center
... The hard X-ray emission (kT > 2 keV) observed for most of the stars in our sample is not ubiquitous among single WR/O ...However, X-rays from WR+OB binaries with ... See full document
5
The NuSTAR Extragalactic Surveys: X Ray Spectroscopic Analysis of the Bright Hard band Selected Sample
... strength for each ...CXB population-synthesis ...each population ( ...function of the degree of obscuration ( ...whole sample of ∼ ...ndings of our companion paper ... See full document
31
Quiz 2 Quantitative doc
... size of the population standard deviation increases d. as the size of the population standard deviation decreases ...distribution of the mean requires______sample size to reach a normal ... See full document
6
PHASE RESOLVED NuSTAR AND SWIFT XRT OBSERVATIONS OF MAGNETAR 4U 0142+61
... analysis of simultaneous ...observations of the magnetar 4U ...value of ≈ 20%, similar to that observed in 1E 1841 – 045 and much lower than the ≈ 80% pulse fraction observed in 1E ...spectrum ... See full document
13
ULTRASONIC AND X-RAY TECHNIQUES FOR NONDESTRUCTIVE EVALUATION OF WOOD
... Future of nondestructive evaluation of wood and wood-based ...Gamma ray tomography in forest and tree ...assessment of wood properties by vibrations and high frequency acoustic ... See full document
8
Unveiling the nature of INTEGRAL objects through optical spectroscopy X A new multi year, multi observatory campaign
... ence of two soft X-ray sources within the IBIS error circle of IGR J14488 − ...brighter of the two X-ray ob- jects (the one labelled as “N1” by Molina et ...spectrum ... See full document
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