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A new, faint population of X ray transients

A new, faint population of X ray transients

... angle of the decelerating fireball exceeds the opening angle of the associated jet, at which point the light curve is expected to steepen (a so-called jet break; Rhoads 1999; Zhang & M´esz´aros ... See full document

17

High precision X ray log N   log S distributions : implications for the obscured AGN population

High precision X ray log N log S distributions : implications for the obscured AGN population

... shape of the log N(>S ) − log S is strongly dependent on the energy band with a general steepening apparent as we move to higher ...mainly of stars and clusters of galaxies, contribute up to 30% ... See full document

22

Globular Clusters and X Ray Point Sources in Centaurus A (NGC 5128)

Globular Clusters and X Ray Point Sources in Centaurus A (NGC 5128)

... outlying X-ray sources in the BVI diagram are quite faint, and could represent contaminant sources (foreground stars or background ...bulk of the confirmed population. All 12 matched ... See full document

13

Massive Stellar X ray Sources in the Galactic Center

Massive Stellar X ray Sources in the Galactic Center

... results of a spectroscopic survey of bright near-infrared counterparts to X- ray point sources from a deep Chandra survey of the Galactic nuclear ...13 new Wolf-Rayet and ... See full document

5

SPECTRAL PROPERTIES OF X RAY BINARIES IN CENTAURUS A

SPECTRAL PROPERTIES OF X RAY BINARIES IN CENTAURUS A

... both of which can be ...outbursts of cataclysmic variables (Smak 1984). The essential feature of this model is that the viscosity of ionized gas is larger than that of neutral ... See full document

15

A transient sub eddington black hole x ray binary candidate in the dust lanes of centaurus a

A transient sub eddington black hole x ray binary candidate in the dust lanes of centaurus a

... XMM-Newton X-ray observatories have made possible the detailed study of extragalactic X-ray binary (XB) sources during the last ...properties of 45 transient XBs in M 31, and ... See full document

8

The Chandra COSMOS Legacy survey: optical/IR identifications

The Chandra COSMOS Legacy survey: optical/IR identifications

... catalog of optical and infrared counterparts of the Chandra  COSMOS-Legacy  Survey, a ...2 of the COSMOS fi eld, combination of 56 new overlapping observations obtained in Cycle 14 ... See full document

23

Broad band characteristics of seven new hard X ray selected cataclysmic variables

Broad band characteristics of seven new hard X ray selected cataclysmic variables

... The X-ray light curves at different energies were folded using the spectroscopic ephemeris of Halpern & Thorstensen ...half of the maximum and a dip at φ ∼ ...The faint phase (pulse ... See full document

23

Luminosity functions of LMXBs in centaurus a : globular clusters versus the field

Luminosity functions of LMXBs in centaurus a : globular clusters versus the field

... intrinsically faint systems that are currently in outburst. Calculations of the luminosity distribution of X-ray binaries ac- counting for these effects appear to be beyond the ... See full document

10

Searching for supergiant fast X ray transients with Swift

Searching for supergiant fast X ray transients with Swift

... fast X-ray transients (SFXTs) are high mass X-ray binaries (HMXBs) hosting a neutron star and an OB supergiant com- ...other new or archival/serendipitous data, on three sources: ... See full document

12

Ptychographic X-ray computed tomography analysis of cement pastes

Ptychographic X-ray computed tomography analysis of cement pastes

... Ptychographic X-ray computed tomography (PXCT) allows a non- invasive assessment of electron (and mass) density at the meso and microscales (Diaz et ...properties of synchrotron radiation ... See full document

12

WEAK HARD X RAY EMISSION FROM TWO BROAD ABSORPTION LINE QUASARS OBSERVED WITH NuSTAR: COMPTON THICK ABSORPTION OR INTRINSIC X RAY WEAKNESS?

WEAK HARD X RAY EMISSION FROM TWO BROAD ABSORPTION LINE QUASARS OBSERVED WITH NuSTAR: COMPTON THICK ABSORPTION OR INTRINSIC X RAY WEAKNESS?

... scattered X-ray spectra from a toroidal-shaped absorber/reprocessor in a physical and self-consistent way, and it was designed to model X-ray spectra in the Compton-thick ...purpose of ... See full document

17

Tres—X Infinito Ray Bradbury

Tres—X Infinito Ray Bradbury

... Lo que había más allá de aquel mar, era algo que tendrían que descubrir Faolan, Romna, Beudag y Starke llamado Conan. Y sobre la montaña, mientras el barco se alejaba, todavía vieron có[r] ... See full document

49

Heavily Obscured AGN in Star Forming Galaxies at z sime 2

Heavily Obscured AGN in Star Forming Galaxies at z sime 2

... average X-ray properties of a sample of individually undetected sources, thus achieving an effective exposure time of many megaseconds ...perform X-ray stacking we used ... See full document

18

A NuSTAR survey of nearby ultraluminous infrared galaxies

A NuSTAR survey of nearby ultraluminous infrared galaxies

... sample of nine of the nearest ( z < 0.078 ) ULIRGs, out of the total sample of ∼ 25 ULIRGs within that volume, based on the selection of Sanders et ...sample of fi ve ULIRGs ... See full document

16

Scaling relations of the colour detected cluster RzCS 052 at z=1 016 and some other high redshift clusters

Scaling relations of the colour detected cluster RzCS 052 at z=1 016 and some other high redshift clusters

... RzCS 052 was observed with XMM–Newton using the European Photon Imaging Camera (EPIC) instrument (Jansen et al. 2001) in 2002 in full-frame mode with the thin filter. After flares filtering, the good exposure time is ∼13 ... See full document

11

Luminosity functions of LMXBs in different stellar environments

Luminosity functions of LMXBs in different stellar environments

... study of any possible di ff erences in the XLF demands special care in the treatment of incompleteness effects and the re- moval of the cosmic X-ray background sources ...difficulty, ... See full document

15

Synthesis and characterization of new alkoxide and aryloxide derivatives of titanium and zirconium  X ray molecular structure of [ZrCp2(OC6F5)2]

Synthesis and characterization of new alkoxide and aryloxide derivatives of titanium and zirconium X ray molecular structure of [ZrCp2(OC6F5)2]

... A clean reaction takes place when the ~-oxo compound [ZrCp2Mez/x-O] is treated with two equivalents of pentafluorophenol, leading to the isolation of the alkoxo complex [{ZrfP2Of6Fs}2/.t[r] ... See full document

8

ULTRASONIC AND X-RAY TECHNIQUES FOR NONDESTRUCTIVE EVALUATION OF WOOD

ULTRASONIC AND X-RAY TECHNIQUES FOR NONDESTRUCTIVE EVALUATION OF WOOD

... Investigation of ammonia stressed Scots pitne (Pinus sylvestris) with computed tomography in an immission area around a cattle ...University of Florence, Italy; Ross RJ and Pellerin RF 1991 Nondestructive ... See full document

8

The Persistence of (Subnational) Fortune: Geography, Agglomeration, and Institutions in the New World

The Persistence of (Subnational) Fortune: Geography, Agglomeration, and Institutions in the New World

... income of the low pre-colonial density states of Baja California Sur, Nuevo Le´on, Baja California Norte, Chihuahua, Sonora, and Coahuila provide a strong countervailing “reversal” that offsets the ... See full document

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