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A neutron star low-mass X-ray binary is a binary stellar system with a neutron star and a low-mass companion star rotating around each other. In this system the neutron star accretes mass from the companion, and as this matter falls into…

High Energy Astrophysical Phenomena · Physics 2010-02-25 Sudip Bhattacharyya

The Micro-Imaging Dust Analysis System (MIDAS) atomic force microscope (AFM) onboard the Rosetta orbiter was the first such instrument launched into space in 2004. Designed only a few years after the technique was invented, MIDAS is…

Earth and Planetary Astrophysics · Physics 2017-04-04 Mark S. Bentley , Herman Arends , Bart Butler , Jose Gavira , Harald Jeszenszky , Thurid Mannel , Jens Romstedt , Roland Schmied , Klaus Torkar

In May 2008 the long awaited NASA Satellite, GLAST was launched, which will study cosmic gamma rays. In August 2008, it is expected that the CERN's Large Hadron Collidor (LHC) will finally become operationized. This is found to unwield…

General Physics · Physics 2008-07-15 Burra G. Sidharth

Star forming galaxies represent a small yet sizable fraction of the X-ray sky (1%-20%, depending on the flux). X-ray surveys allow to derive their luminosity function and evolution, free from uncertainties due to absorption. However, much…

Instrumentation and Methods for Astrophysics · Physics 2010-05-03 Piero Ranalli

The importance of multiwavelength astronomical surveys is discussed in the context of galaxy evolution. The AKARI Deep Field South (ADF-S) is a new, well placed survey field that is already the subject of studies at a wide range of…

Cosmology and Nongalactic Astrophysics · Physics 2012-08-23 David L. Clements

Recent ASCA and ROSAT X-ray observations of active galaxies have revealed a host of new data on the fundamental properties of active galaxies. Amongst these are the discovery and characterization of absorption by ionized gas in Seyfert-I…

Astrophysics · Physics 2007-05-23 R. F. Mushotzky

Gamma-ray bursts are the most luminous explosions in the Universe, and their origin as well as mechanism are the focus of intense research and debate. More than three decades since their serendipitous discovery, followed by several…

High Energy Astrophysical Phenomena · Physics 2011-12-06 P. N. Bhat , S. Guiriec

In recent years, observational $\gamma$-ray astronomy has seen a remarkable range of exciting new results in the high-energy and very-high energy regimes. Coupled with extensive theoretical and phenomenological studies of non-thermal…

High Energy Astrophysical Phenomena · Physics 2016-10-12 S. Funk

In this review talk I discuss the important issues of AGN research and how the new generation of X-ray observatories can help to constrain the physics of AGN. I also present a biased list of the new XMM-Newton and Chandra discoveries and…

Astrophysics · Physics 2007-05-23 R. F. Mushotzky

We summarize recent results presented in the astrophysics session during a conference on ``Frontiers of Contemporary Physics''. We will discuss three main fields (High-Energy Astrophysics, Relativistic Astrophysics, and Cosmology), where…

Astrophysics · Physics 2007-05-23 Heino Falcke , Peter L. Biermann

The Wide Field X-ray Telescope (WFXT) is a proposed mission with a high survey speed, due to the combination of large field of view (FOV) and effective area, i.e. grasp, and sharp PSF across the whole FOV. These characteristics make it…

Gamma rays constitute a privileged point of view for the study of the extreme Universe. Unlike charged cosmic rays, which are thought to have a common origin, gamma rays are not deflected by galactic and intergalactic magnetic fields. This…

High Energy Astrophysical Phenomena · Physics 2023-02-13 Elisa Prandini , Konstantinos Dialektopoulos , Jelena Strišković

The focus of this presentation is to go through some of the remarkable observations concerning gamma-ray cosmic accelerators and diffuse emissions. Additionally, I will cover the status of the new generation of gamma-ray groundbased…

High Energy Astrophysical Phenomena · Physics 2019-02-28 Teresa Montaruli

The Star Watch extreme-precision astrometry mission (0.1 - 1.0 uas) builds on technology developed, and validated, during the SIM (Space Interferometry Mission) project. The sole science instrument is an optical interferometer with 50-cm…

Instrumentation and Methods for Astrophysics · Physics 2019-07-19 Philip Horzempa

Four years after the last LISA meeting, the NASA Astrophysics Data System (ADS) finds itself in the middle of major changes to the infrastructure and contents of its database. In this paper we highlight a number of features of great…

I discuss recent advances being made in the physics and astrophysics of cosmic rays and cosmic gamma-rays at the highest observed energies as well as the related physics and astrophysics of very high energy cosmic neutrinos. I also discuss…

Astrophysics · Physics 2007-05-23 F. W. Stecker

e-ASTROGAM is a gamma-ray observatory operating in a broad energy range, 0.15 MeV - 3 GeV, recently proposed as the M5 Medium-size mission of the European Space Agency. It has the potential to revolutionize the astronomy of medium-energy…

High Energy Astrophysical Phenomena · Physics 2019-08-14 Vincent Tatischeff , Roland Diehl , Alessandro De Angelis

The development of galactic fountain theories is reviewed with special emphasis on the different approaches and concepts that have been used in the past. In particular the outstanding contribution of Franz Kahn to our physical understanding…

Astrophysics · Physics 2011-04-15 Dieter Breitschwerdt , Stefanie Komossa