Search Results - "Kienlin, Andreas"
-
1
Cosmological Fast Optical Transients with the Zwicky Transient Facility: A Search for Dirty Fireballs
Published in The Astrophysical journal (01-10-2022)“…Dirty fireballs are a hypothesized class of relativistic massive-star explosions with an initial Lorentz factor Γ init below the Γ init ∼ 100 required to…”
Get full text
Journal Article -
2
Terrestrial gamma-ray flashes in the Fermi era: Improved observations and analysis methods
Published in Journal of geophysical research. Space physics (01-06-2013)“…A new data mode and new analysis methods are used to detect Terrestrial Gamma‐ray Flashes (TGFs) with the Fermi Gamma‐ray Burst Monitor (GBM) 10 times more…”
Get full text
Journal Article -
3
Radio signals from electron beams in terrestrial gamma ray flashes
Published in Journal of geophysical research. Space physics (01-05-2013)“…We show that the rate of association between terrestrial gamma ray flashes (TGFs) observed by the Fermi gamma ray burst monitor and VLF discharges detected by…”
Get full text
Journal Article -
4
Electron-positron beams from terrestrial lightning observed with Fermi GBM
Published in Geophysical research letters (01-01-2011)“…Terrestrial Gamma‐ray Flashes (TGFs) are brief pulses of energetic radiation observed in low‐earth orbit. They are associated with thunderstorms and lightning…”
Get full text
Journal Article -
5
TEMPORAL DECONVOLUTION STUDY OF LONG AND SHORT GAMMA-RAY BURST LIGHT CURVES
Published in The Astrophysical journal (10-01-2012)“…The light curves of gamma-ray bursts (GRBs) are believed to result from internal shocks reflecting the activity of the GRB central engine. Their temporal…”
Get full text
Journal Article -
6
Magnetic Shielding of Soft Protons in Future X-Ray Telescopes: The Case of the ATHENA Wide Field Imager
Published in The Astrophysical journal (01-11-2018)“…Both interplanetary space and Earth's magnetosphere are populated by low-energy (≤300 keV) protons that are potentially able to scatter on the reflecting…”
Get full text
Journal Article -
7
The Spectral Sharpness Angle of Gamma-ray Bursts
Published in Journal of astronomy and space sciences (01-06-2016)“…We extend the results of Yu et al. (2015b) of the novel sharpness angle measurement to a large number of spectra obtained from the Fermi gamma-ray burst…”
Get full text
Journal Article -
8
BROADBAND SPECTRAL INVESTIGATIONS OF SGR J1550–5418 BURSTS
Published in The Astrophysical journal (01-09-2012)“…We present the results of our broadband spectral analysis of 42 SGR J1550-5418 bursts simultaneously detected with the Swift/X-ray Telescope (XRT) and the…”
Get full text
Journal Article -
9
The Spectral Sharpness Angle of Gamma-ray Bursts
Published in Journal of astronomy and space sciences (2016)“…We explain the results of Yu et al. (2015b) of the novel sharpness angle measurement to a large number of spectra obtained from the Fermi gamma-ray burst…”
Get full text
Journal Article -
10
Radioactive 26Al from massive stars in the Galaxy
Published in Nature (05-01-2006)“…Gamma-rays from radioactive 26Al (half-life approximately 7.2 x 10(5) years) provide a 'snapshot' view of continuing nucleosynthesis in the Galaxy. The Galaxy…”
Get full text
Journal Article -
11
The Fermi Gamma-ray Burst Monitor
Published in The Astrophysical journal (01-09-2009)“…The Gamma-Ray Burst Monitor (GBM) will significantly augment the science return from the Fermi Observatory in the study of gamma-ray bursts (GRBs). The primary…”
Get full text
Journal Article -
12
INTEGRAL reloaded: Spacecraft, instruments and ground system
Published in New astronomy reviews (01-12-2021)“…The European Space Agency’s INTErnational Gamma-Ray Astrophysics Laboratory (ESA/INTEGRAL) was launched aboard a Proton-DM2 rocket on 17 October 2002 at 06:41…”
Get full text
Journal Article -
13
Multi-messenger astronomy with INTEGRAL
Published in New astronomy reviews (01-06-2021)“…At the time of defining the science objectives of the INTernational Gamma-Ray Astrophysics Laboratory (INTEGRAL), such a rapid and spectacular development of…”
Get full text
Journal Article -
14
Compton scattering in terrestrial gamma-ray flashes detected with the Fermi gamma-ray burst monitor
Published in Physical review. D, Particles, fields, gravitation, and cosmology (20-08-2014)“…Terrestrial gamma-ray flashes (TGFs) are short intense flashes of gamma rays associated with lightning activity in thunderstorms. Using Monte Carlo simulations…”
Get full text
Journal Article -
15
Time-resolved Spectroscopy of the Three Brightest and Hardest Short Gamma-ray Bursts Observed with the Fermi Gamma-ray Burst Monitor
Published in The Astrophysical journal (10-12-2010)“…From 2008 July to 2009 October, the Gamma-ray Burst Monitor (GBM) on board the Fermi Gamma-ray Space Telescope has detected 320 gamma-ray bursts (GRBs). About…”
Get full text
Journal Article -
16
Cosmological Fast Optical Transients with the Zwicky Transient Facility: A Search for Dirty Fireballs
Published 22-08-2022“…Dirty fireballs are a hypothesized class of relativistic massive-star explosions with an initial Lorentz factor $\Gamma_\mathrm{init}$ below the…”
Get full text
Journal Article -
17
Evaluation of Automated Fermi GBM Localizations of Gamma-ray Bursts
Published 19-04-2020“…The capability of the Fermi Gamma-ray Burst Monitor (GBM) to localize gamma-ray bursts (GRBs) is evaluated for two different automated algorithms: the GBM…”
Get full text
Journal Article -
18
DETECTION OF SPECTRAL EVOLUTION IN THE BURSTS EMITTED DURING THE 2008-2009 ACTIVE EPISODE OF SGR J1550–5418
Published in The Astrophysical journal (20-08-2012)“…In early 2008 October, the soft gamma repeater SGR J1550-5418 (1E 1547.0-5408, AX J155052-5418, PSR J1550-5418) became active, emitting a series of bursts…”
Get full text
Journal Article -
19
Constraints on the Synchrotron Shock Model for the Fermi GRB 090820A Observed by Gamma-Ray Burst Monitor
Published in The Astrophysical journal (01-11-2011)“…Discerning the radiative dissipation mechanism for prompt emission in gamma-ray bursts (GRBs) requires detailed spectroscopic modeling that straddles the Delta…”
Get full text
Journal Article -
20
Magnetic shielding of soft protons in future X-ray telescopes: the case of the ATHENA Wide Field Imager
Published 28-08-2018“…Both the interplanetary space and the Earth magnetosphere are populated by low energy ($\leq300$ keV) protons that are potentially able to scatter on the…”
Get full text
Journal Article