The XMM-Newton Serendipitous Survey

Watson, M. G.; Auguères, J.-L.; Ballet, J.; Barcons, X.; Barret, D.; Boër, M.; Boller, Th.; Bromage, G. E.; Brunner, H.; Carrera, Francisco J.; Cropper, Mark; Denby, M.; Ehle, M.; Elvis, M.; Fabian, A. C.; Freyberg, M. J.; Guillout, P.; Hameury, J. M.; Hasinger, G.; Hinshaw, D. A.; Maccacaro, T.; Mason, K. O.; McMahon, R. G.; Michel, Laurent; Mirioni, Laurent; Mittaz, J. P. D.; Motch, C.; Olive, J. F.; Osborne, J. P.; Page, C. G.; Pakull, M. W.; Perry, B. H.; Pierre, M.; Pietsch, W.; Pye, J. P.; Read, A. M.; Roberts, T. P.; Rosen, S. R.; Sauvageot, J.-L.; Schwope, A. D.; Sekiguchi, K.; Stewart, G. C.; Stewart, I. M.; Valtchanov, I.; Ward, M. J.; Warwick, R. S.; West, R. G.; White, N. E.; Worrall, D. M.

doi:10.1051/0004-6361:20000067

Cited by 117 publications

(35 citation statements)

References 10 publications

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“…The total scheduled time of observation was 55 ks. We used XMMSAS (Watson et al 2001) version 7.3 for the standard data reduction. After producing the event files, we have applied a strict light curve cleaning in order to ensure that we retained only the periods with the lowest and the most stable background.…”

Section: Observation and Data Analysismentioning

confidence: 99%

XMM-NEWTONOBSERVATION OF THE NORTHWEST RADIO RELIC REGION IN A3667

Finoguenov

Sarazin

Nakazawa

et al. 2010

ApJ

160

216

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A3667 is the archetype of a merging cluster with radio relics. The northwest (NW) radio relic is the brightest cluster relic or halo known and is believed to be due to a strong merger shock. We have observed the NW relic for ∼40 ks of net XMM-Newton time. We observe a global decline of temperature across the relic from 6 to 1 keV, similar to the Suzaku results. Our new observations reveal a sharp change of both temperature and surface brightness near the position of the relic. The increased X-ray emission on the relic can be equivalently well described by either a thermal or nonthermal spectral model. The parameters of the thermal model are consistent with a Mach number M ∼ 2 shock and a shock speed of ∼1200 km s −1 . The energy content of the relativistic particles in the radio relic can be explained if they are (re)-accelerated by the shock with an efficiency of ∼0.2%. Comparing the limit on the inverse Compton X-ray emission with the measured radio synchrotron emission, we set a lower limit to the magnetic field in the relic of 3 μG. If the emission from the relic is nonthermal, this lower limit is in fact the required magnetic field.

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Section: Observation and Data Analysismentioning

confidence: 99%

XMM-NEWTONOBSERVATION OF THE NORTHWEST RADIO RELIC REGION IN A3667

Finoguenov

Sarazin

Nakazawa

et al. 2010

ApJ

160

216

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“…6). The XMM-Newton Serendipitous Survey will cover an area of the sky ,10 times larger than the Chandra Serendipitous Survey at similar sensitivity (Watson et al 2001). Thus, these surveys may result in ,10N 9 e 1:2 25 detections per year.…”

Section: Persistent Sourcesmentioning

confidence: 99%

X-rays from isolated black holes in the Milky Way

Agol

Kamionkowski

2002

Monthly Notices of the Royal Astronomical Society

127

170

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Galactic stellar‐population‐synthesis models, chemical‐enrichment models, and possibly gravitational microlensing indicate that about Ntot=108–109 stellar‐mass black holes reside in our Galaxy. We study X‐ray emission from accretion from the interstellar medium on to isolated black holes. Although black holes may be fewer in number than neutron stars, NNS∼109, their higher masses, 〈M〉∼9 M⊙, and smaller space velocities, σv∼40 km s‐1, result in Bondi–Hoyle accretion rates ∼4×103 times higher than for neutron stars. Given a total number of black holes Ntot=N9109 within the Milky Way, we estimate that ∼103N9 should accrete at M˙>1015 g s‐1, comparable to accretion rates inferred for black hole X‐ray binaries. If black holes accrete at the Bondi–Hoyle rate with efficiencies only ∼10−4(NNS/Ntot)0.8 of the neutron‐star accretion efficiency, a comparable number of each may be detectable. We make predictions for the number of isolated accreting black holes in our Galaxy that can be detected with X‐ray surveys as a function of efficiency, concluding that all‐sky surveys at a depth of F=F‐1510‐15 erg cm‐2 s‐1 dex‐1 can find N(>F)∼104N9(F‐15/ε‐5)‐1.2 isolated accreting black holes for a velocity dispersion of 40 km s−1 and an X‐ray accretion efficiency of ε=ε‐510‐5. Deeper surveys of the Galactic plane with Chandra or XMM‐Newton may find tens of these objects per year, depending on the efficiency. We argue that a mass estimate can be derived for microlensing black hole candidates with an X‐ray detection.

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“…The XMM-Newton Galactic Plane Survey (e.g. Warwick 2002), the XMM-Newton Serendipitous Survey (Watson 2001;Motch et al 2002;Motch, Herent & Guillout 2003;Watson et al 2003) and the serendipitous Chandra Multiwavelength Plane Survey (Grindlay et al 2003) will all probe the faint Galactic X-ray point source population.…”

Section: Introductionmentioning

confidence: 99%

On the detection of pre-low-mass X-ray binaries

Willems

Kolb

2003

Monthly Notices of the Royal Astronomical Society

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We explore the population of candidate pre-low-mass X-ray binaries in which a neutron star accretes mass from the wind of a low-mass companion (mass < 2Msun) in the framework of a binary population synthesis study. The simulated accretion-luminosity distribution shows a primary peak close to 1e31 erg/s and a secondary peak near 1e28 erg/s. The relative contribution of the two peaks depends primarily on the magnitude of the kick velocity imparted to the neutron star at birth. The secondary peak is negligible for average kick velocities larger than 200 km/s, but becomes dominant for average kick velocities smaller than 50 km/s. Regardless of the relative contributions of the two peaks, our calculations suggest that pre-low-mass X-ray binaries may provide a non-negligible contribution to the population of discrete low-luminosity X-ray sources in the Galaxy.Comment: Accepted for publication in MNRA

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The XMM-Newton Serendipitous Survey

Cited by 117 publications

References 10 publications

XMM-NEWTONOBSERVATION OF THE NORTHWEST RADIO RELIC REGION IN A3667

XMM-NEWTONOBSERVATION OF THE NORTHWEST RADIO RELIC REGION IN A3667

X-rays from isolated black holes in the Milky Way

On the detection of pre-low-mass X-ray binaries

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