The 511 keV emission from positron annihilation in the Galaxy

N Prantzos, C Boehm, AM Bykov, R Diehl… - Reviews of Modern …, 2011 - APS
The first γ-ray line originating from outside the Solar System that was ever detected is the
511 keV emission from positron annihilation in the Galaxy. Despite 30 years of intense …

Cosmic nucleosynthesis: A multi-messenger challenge

R Diehl, AJ Korn, B Leibundgut, M Lugaro… - Progress in Particle and …, 2022 - Elsevier
The origins of the elements and isotopes of cosmic material is a critical aspect of
understanding the evolution of the universe. Nucleosynthesis typically requires physical …

WATCHDOG: a comprehensive all-sky database of galactic black hole X-ray binaries

BE Tetarenko, GR Sivakoff, CO Heinke… - The Astrophysical …, 2016 - iopscience.iop.org
With the advent of more sensitive all-sky instruments, the transient universe is being probed
in greater depth than ever before. Taking advantage of available resources, we have …

A double-sided radio jet from the compact Galactic Centre annihilator 1E1740. 7–2942

IF Mirabel, LF Rodriguez, B Cordier, J Paul, F Lebrun - Nature, 1992 - nature.com
RECENT observations1, 2 with the γ-ray telescope SIGMA, on the GRANAT satellite,
indicated that the hard X-ray source 1E1740. 7–2942 may be the source of the strongest …

Gamma-ray spectroscopy of positron annihilation in the Milky Way

T Siegert, R Diehl, G Khachatryan, MGH Krause… - Astronomy & …, 2016 - aanda.org
Context. The annihilation of positrons in the Galaxy's interstellar medium produces
characteristic gamma-rays with a line at 511 keV. This gamma-ray emission has been …

The nucleus of our Galaxy

R Genzel, D Hollenbach… - Reports on Progress in …, 1994 - iopscience.iop.org
The subject of this review is the central 100 parsecs of our Galaxy, with a strong focus on the
central few parsecs. Observations of the electromagnetic spectrum over 13 orders of …

Nonlinear prediction as a way of distinguishing chaos from random fractal sequences

AA Tsonis, JB Elsner - Nature, 1992 - nature.com
NONLINEAR forecasting has recently been shown to distinguish between deterministic
chaos and uncorrelated (white) noise added to periodic signals1, and can be used to …

Positron annihilation signatures associated with the outburst of the microquasar V404 Cygni

T Siegert, R Diehl, J Greiner, MGH Krause… - Nature, 2016 - nature.com
Abstract Microquasars,,, are stellar-mass black holes accreting matter from a companion star
and ejecting plasma jets at almost the speed of light. They are analogues of quasars that …

[HTML][HTML] X-ray images of the Galactic Center obtained with ART-P/GRAN AT: Discovery of new sources, variability of persistent sources, and localization of X-ray …

MN Pavlinsky, SA Grebenev… - … -637X), vol. 425, no. 1, p …, 1994 - adsabs.harvard.edu
X-ray images of the Galactic Center obtained with ART-P/GRAN AT: Discovery of ne ADS
Classic is now deprecated. It will be completely retired in October 2019. This page will …

ASCA X-ray source catalog in the galactic center region

M Sakano, K Koyama, H Murakami… - The Astrophysical …, 2002 - iopscience.iop.org
The ASCA satellite made 107 pointing observations on a 5× 5 deg 2 region around the
center of our Galaxy from 1993 to 1999. In the X-ray images of the 0.7–3 keV or 3–10 keV …