High Energy Phenomena in Relativistic Outflows VII (HEPRO VII)

Session

Relativistic outflows from galactic sources

11 Jul 2019, 10:30

Aula Magna Enric Casassas (Facultat de Física, Universitat de Barcelona)

Conveners

Relativistic outflows from galactic sources

• David Paneque (Max Planck Institute for Physics)

121. Black Hole High Mass X-ray Binary Microquasars at Cosmic Dawn

Felix Mirabel (IAFE-CONICET-UBA-Argentina)

11/07/2019, 10:30

Relativistic outflows from galactic sources

contributed talk

Theoretical models and observations suggest that primordial Stellar Black Holes
(Pop-III-BHs) were prolifically formed in HMXBs, which are powerful relativistic jet sources of synchrotron radiation called Microquasars (MQs).

Large populations of BH-HMXB-MQs at cosmic dawn produce a smooth synchrotron cos-
mic radio background (CRB) that could account for the excess amplitude of atomic...

168. Gamma-ray emission from Cyg X-1 and Cyg X-3

Andrzej Zdziarski

11/07/2019, 10:45

Relativistic outflows from galactic sources

contributed talk

In two recent papers (Zdziarski et al. 2017, 2018), we presented measurements by the Fermi/LAT and theoretical interpretation of the gamma-ray spectra from two Galactic microquasars, Cyg X-1 and Cyg X-3. In both sources, orbital modulation (due to Compton anisotropy of scattered stellar photons from the donor) has been measured, which has allowed us to estimate of the location of the bulk of...