Relazione del Segretario Generale del V Congresso Internazionale di Filosofia

Valle, Guido della

doi:10.5840/wcp519251

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“…There are far fewer confusing HII region sources at larger radius in the disk. Other high-velocity sources are pulsar wind nebulae (Gaensler 2005), hyper-velocity stars (Brown et al 2006) and runaway stars (del Valle & Romero 2012;del Valle et al 2013). The first type can be distinguished by observing the pulsar as well as its X-ray emission.…”

Section: Observational Signatures and Detectabilitymentioning

confidence: 99%

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Detecting floating black holes as they traverse the gas disc of the Milky Way

Wang¹,

Loeb²

2014

Monthly Notices of the Royal Astronomical Society

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A population of intermediate-mass black holes (BHs) is predicted to be freely floating in the Milky Way (MW) halo, due to gravitational wave recoil, ejection from triple BH systems, or tidal stripping in the dwarf galaxies that merged to make the MW. As these BHs traverse the gaseous MW disk, a bow shock forms, producing detectable radio and mm/sub-mm synchrotron emission from accelerated electrons. We calculate the synchrotron flux to be ∼ 0.01 − 10 mJy at GHz frequency, detectable by Jansky Very Large Array, and ∼ 10 − 100 µJy at ∼ 10 10 − 10 12 Hz frequencies, detectable by Atacama Large Millimeter/sub-millimter Array. The discovery of the floating BH population will provide insights on the formation and merger history of the MW as well as on the evolution of massive BHs in the early Universe.

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Section: Observational Signatures and Detectabilitymentioning

confidence: 99%

“…The first type can be distinguished by observing the pulsar as well as its X-ray emission. The last two types produce less synchrotron radiation (del Valle & Romero 2012;del Valle et al 2013), and thus can be distinguished as well. Globular clusters crossing the MW disk produce another class of contaminants.…”

Section: Observational Signatures and Detectabilitymentioning

confidence: 99%

Detecting floating black holes as they traverse the gas disc of the Milky Way

Wang¹,

Loeb²

2014

Monthly Notices of the Royal Astronomical Society

View full text Add to dashboard Cite

show abstract

Relazione del Segretario Generale del V Congresso Internazionale di Filosofia

Cited by 1 publication

References 0 publications

Detecting floating black holes as they traverse the gas disc of the Milky Way

Detecting floating black holes as they traverse the gas disc of the Milky Way

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