On the Role of the Ultraviolet and X‐Ray Radiation in Driving a Disk Wind in X‐Ray Binaries

2002 ◽  
Vol 565 (1) ◽  
pp. 455-470 ◽  
Author(s):  
Daniel Proga ◽  
Timothy R. Kallman
Keyword(s):  
X Ray ◽  
Disk Wind ◽  
X Ray Binaries

scholarly journals X-ray properties of He ii λ 1640 emitting galaxies in VANDELS

2020 ◽  
Vol 496 (3) ◽  
pp. 3796-3807
Author(s):  
A Saxena ◽  
L Pentericci ◽  
D Schaerer ◽  
R Schneider ◽  
R Amorin ◽  
...  
Keyword(s):  
Formation Rate ◽  
Galactic Nuclei ◽  
X Ray ◽  
Star Forming ◽  
Set Constraints ◽  
Significant Difference ◽  
Low Metallicity ◽  
Matched Samples ◽  
X Ray Binaries

ABSTRACT We explore X-ray emission from a sample of 18 He ii λ1640 emitting star-forming galaxies at z ∼ 2.3–3.6 from the VANDELS survey in the Chandra Deep Field South, to set constraints on the role of X-ray sources in powering the He ii emission. We find that 4 He ii emitters have tentative detections with S/N ∼ 2 and have X-ray luminosities, LX = 1.5−4.9 × 1041 erg s−1. The stacked luminosity of all 18 He ii emitters is 2.6 × 1041 erg s−1, and that of a subset of 13 narrow He ii emitters (FHWM(He ii) < 1000 km s−1) is 3.1 × 1041 erg s−1. We also measure stacked LX for non-He ii emitters through bootstrapping of matched samples, and find LX = 2.5 × 1041 erg s−1, which is not significantly different from LX measured for He ii emitters. The LX per star formation rate for He ii emitters (log (LX/SFR) ∼ 40.0) and non-emitters (log (LX/SFR) ∼ 39.9) are also comparable and in line with the redshift evolution and metallicity dependence predicted by models. Due to the non-significant difference between the X-ray emission from galaxies with and without He ii, we conclude that X-ray binaries or weak or obscured active galactic nuclei are unlikely to be the dominant producers of He ii ionizing photons in VANDELS star-forming galaxies at z ∼ 3. Given the comparable physical properties of both He ii emitters and non-emitters reported previously, alternative He ii ionizing mechanisms such as localized low-metallicity stellar populations, Pop-III stars, etc. may need to be explored.

scholarly journals The role of the disc magnetization on the hysteresis behaviour of X-ray binaries

2008 ◽  
Vol 385 (1) ◽  
pp. L88-L92 ◽  
Author(s):  
Pierre-Olivier Petrucci ◽  
Jonathan Ferreira ◽  
Gilles Henri ◽  
Guy Pelletier
Keyword(s):  
X Ray ◽  
X Ray Binaries ◽  
Hysteresis Behaviour

Exploring the role of jets in X-ray binaries and low-luminosity AGN

2004 ◽  
Vol 132 ◽  
pp. 129-134 ◽  
Author(s):  
S. Markoff ◽  
M. Nowak ◽  
H. Falcke ◽  
T. Maccarone ◽  
R. Fender
Keyword(s):  
X Ray ◽  
X Ray Binaries

scholarly journals ULTRA-LUMINOUS X-RAY SOURCES IN HARO 11 AND THE ROLE OF X-RAY BINARIES IN FEEDBACK IN LyαEMITTING GALAXIES

2015 ◽  
Vol 812 (2) ◽  
pp. 166 ◽  
Author(s):  
A. H. Prestwich ◽  
F. Jackson ◽  
P. Kaaret ◽  
M. Brorby ◽  
T. P. Roberts ◽  
...  
Keyword(s):  
X Ray ◽  
X Ray Binaries

scholarly journals Simulating the role of acceleration and radiation processes in X-ray binaries.

2009 ◽  
Author(s):  
Renaud Belmont ◽  
Julien Malzac ◽  
Alexandre Marcowith
Keyword(s):  
X Ray ◽  
Radiation Processes ◽  
X Ray Binaries

scholarly journals The role of general relativity in the evolution of low-mass X-ray binaries

2005 ◽  
Vol 359 (2) ◽  
pp. 734-740 ◽  
Author(s):  
G. Lavagetto ◽  
L. Burderi ◽  
F. D'Antona ◽  
T. D. Salvo ◽  
R. Iaria ◽  
...  
Keyword(s):  
General Relativity ◽  
X Ray ◽  
Low Mass ◽  
X Ray Binaries

JET MODELS FOR NEUTRON STAR X-RAY BINARIES

2012 ◽  
Vol 08 ◽  
pp. 108-113 ◽  
Author(s):  
SIMONE MIGLIARI ◽  
GABRIELE GHISELLINI ◽  
JAMES MILLER-JONES ◽  
DAVID RUSSELL
Keyword(s):  
Neutron Star ◽  
Compact Object ◽  
Young Stellar Objects ◽  
Jet Formation ◽  
Stellar Objects ◽  
X Ray ◽  
The Status ◽  
Observational Knowledge ◽  
X Ray Binaries

A variety of different models for jet formation have been developed over the years (mainly) for black hole systems and young stellar objects. Conclusive observational constraints which would favor one particular mechanism are difficult to obtain. Neutron star X-ray binaries are crucial for advancing our understanding of jet formation in general, building a bridge between the two most studied jet-producing classes of systems: black holes, i.e. non-magnetized, relativistic objects, and young stellar objects, i.e. non-relativistic, magnetized stars. I will briefly review the status of our observational knowledge of jets in neutron star X-ray binaries, with a focus on the parameters which might be involved in the production of jets. I will present recent works and current observational programs aiming to quantify the role of the compact object in the formation of jets in neutron star systems. Finally, I will test a jet model developed for young stellar objects, the X–wind model, on a neutron star system.

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