Search Results - "Steinmassl, S."
-
1
PSR B0329+54: STATISTICS OF SUBSTRUCTURE DISCOVERED WITHIN THE SCATTERING DISK ON RADIOASTRON BASELINES OF UP TO 235,000 km
Published in The Astrophysical journal (10-05-2016)“…ABSTRACT We discovered fine-scale structure within the scattering disk of PSR B0329+54 in observations with the RadioAstron ground-space radio interferometer…”
Get full text
Journal Article -
2
Revealing x-ray and gamma ray temporal and spectral similarities in the GRB 190829A afterglow
Published in Science (American Association for the Advancement of Science) (04-06-2021)“…An intrinsic gamma-ray burst afterglow Long gamma-ray bursts (GRBs) are emitted by relativistic jets generated during the collapse of a massive star in a…”
Get full text
Journal Article -
3
Search for Dark Matter Annihilation Signals in the H.E.S.S. Inner Galaxy Survey
Published in Physical review letters (09-09-2022)“…The central region of the Milky Way is one of the foremost locations to look for dark matter (DM) signatures. We report the first results on a search for DM…”
Get full text
Journal Article -
4
Time-resolved hadronic particle acceleration in the recurrent nova RS Ophiuchi
Published in Science (American Association for the Advancement of Science) (01-04-2022)“…Recurrent novae are repeating thermonuclear explosions in the outer layers of white dwarfs, due to the accretion of fresh material from a binary companion. The…”
Get full text
Journal Article -
5
TeV Emission of Galactic Plane Sources with HAWC and H.E.S.S
Published in The Astrophysical journal (09-08-2021)“…Abstract The High Altitude Water Cherenkov (HAWC) observatory and the High Energy Stereoscopic System (H.E.S.S.) are two leading instruments in the…”
Get full text
Journal Article -
6
Multiwavelength Observations of the Blazar PKS 0735+178 in Spatial and Temporal Coincidence with an Astrophysical Neutrino Candidate IceCube-211208A
Published in The Astrophysical journal (01-09-2023)“…Abstract We report on multiwavelength target-of-opportunity observations of the blazar PKS 0735+178, located 2.°2 away from the best-fit position of the…”
Get full text
Journal Article -
7
Constraints on the Intergalactic Magnetic Field Using Fermi-LAT and H.E.S.S. Blazar Observations
Published in Astrophysical journal. Letters (01-06-2023)“…Abstract Magnetic fields in galaxies and galaxy clusters are believed to be the result of the amplification of intergalactic seed fields during the formation…”
Get full text
Journal Article -
8
Acceleration and transport of relativistic electrons in the jets of the microquasar SS 433
Published in Science (American Association for the Advancement of Science) (26-01-2024)“…SS 433 is a microquasar, a stellar binary system that launches collimated relativistic jets. We observed SS 433 in gamma rays using the High Energy…”
Get full text
Journal Article -
9
Observation of the Gamma-Ray Binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS Telescopes
Published in The Astrophysical journal (01-12-2021)“…Abstract The results of gamma-ray observations of the binary system HESS J0632 + 057 collected during 450 hr over 15 yr, between 2004 and 2019, are presented…”
Get full text
Journal Article -
10
H.E.S.S. Follow-up Observations of GRB 221009A
Published in Astrophysical journal. Letters (01-03-2023)“…Abstract GRB 221009A is the brightest gamma-ray burst (GRB) ever detected. To probe the very-high-energy (VHE; >100 GeV) emission, the High Energy Stereoscopic…”
Get full text
Journal Article -
11
A MeerKAT, e-MERLIN, H.E.S.S., and Swift search for persistent and transient emission associated with three localized FRBs
Published in Monthly notices of the Royal Astronomical Society (22-07-2022)“…ABSTRACT We report on a search for persistent radio emission from the one-off fast radio burst (FRB) 20190714A, as well as from two repeating FRBs, 20190711A…”
Get full text
Journal Article -
12
H.E.S.S. Follow-up Observations of Binary Black Hole Coalescence Events during the Second and Third Gravitational-wave Observing Runs of Advanced LIGO and Advanced Virgo
Published in The Astrophysical journal (01-12-2021)“…Abstract We report on the observations of four well-localized binary black hole (BBH) mergers by the High Energy Stereoscopic System (H.E.S.S.) during the…”
Get full text
Journal Article -
13
Search for Dark Matter Annihilation Signals from Unidentified Fermi-LAT Objects with H.E.S.S
Published in The Astrophysical journal (01-09-2021)“…Abstract Cosmological N -body simulations show that Milky Way–sized galaxies harbor a population of unmerged dark matter (DM) subhalos. These subhalos could…”
Get full text
Journal Article -
14
The Vanishing of the Primary Emission Region in PKS 1510–089
Published in Astrophysical journal. Letters (01-08-2023)“…Abstract In 2021 July, PKS 1510−089 exhibited a significant flux drop in the high-energy γ -ray (by a factor 10) and optical (by a factor 5) bands and remained…”
Get full text
Journal Article -
15
Searching for TeV Gamma-Ray Emission from SGR 1935+2154 during Its 2020 X-Ray and Radio Bursting Phase
Published in The Astrophysical journal (01-10-2021)“…Abstract Magnetar hyperflares are the most plausible explanation for fast radio bursts (FRBs)—enigmatic powerful radio pulses with durations of several…”
Get full text
Journal Article -
16
Very-high-energy γ-Ray Emission from Young Massive Star Clusters in the Large Magellanic Cloud
Published in Astrophysical journal. Letters (01-07-2024)“…Abstract The Tarantula Nebula in the Large Magellanic Cloud is known for its high star formation activity. At its center lies the young massive star cluster…”
Get full text
Journal Article -
17
Discovery of a radiation component from the Vela pulsar reaching 20 teraelectronvolts
Published in Nature astronomy (01-11-2023)“…Gamma-ray observations have established energetic isolated pulsars as outstanding particle accelerators and antimatter factories. However, many questions are…”
Get full text
Journal Article -
18
PSR B0329+54: Statistics of Substructure Discovered within the Scattering Disk on RadioAstron Baselines of up to 235,000 km
Published 15-03-2016“…Astrophysical journal 822 (2016) 96 We discovered fine-scale structure within the scattering disk of PSR B0329+54 in observations with the RadioAstron…”
Get full text
Journal Article -
19
Author Correction: Discovery of a radiation component from the Vela pulsar reaching 20 teraelectronvolts
Published in Nature astronomy (2024)Get full text
Journal Article -
20
High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S
Published 12-11-2024“…Owing to their rapid cooling rate and hence loss-limited propagation distance, cosmic-ray electrons and positrons (CRe) at very high energies probe local…”
Get full text
Journal Article